Control System Integrator M&A Multiples Report 2026: Valuation Benchmarks by Size and Segment

By Christoph Totter, Managing Partner, CT Acquisitions. Last verified: July 2026. Next refresh: January 2027.

This is the CT Acquisitions benchmark report on control system integrator M&A multiples: what PLC, SCADA, and DCS programming firms, panel builders, MES and OT integration shops, and the PE-backed platforms consolidating them actually sold for in 2025 and the first half of 2026. Every multiple below carries its earnings basis, size band, year, and geography. Where a figure comes from a survey rather than a closed-deal database, that is stated. Where a named transaction did not disclose terms, no multiple is attached to it, no matter how tempting the headline would be.

This report is informational research, not investment advice, legal advice, or a formal business appraisal. Multiples are market observations, and any individual company can trade well outside the ranges shown here. Owners considering a sale should commission a quality of earnings review and engage qualified advisors before relying on any benchmark.

One scoping note before the numbers. This page stays in its lane as the transaction multiple benchmark. For the buyer side behind these numbers, the funds, platforms, and strategics doing the acquiring, see our companion tracker on private equity in industrial automation. For the sale process itself, preparation through close, see our guide to selling an industrial automation business. Those two pages carry the depth on who is buying and how to run the process; this one carries the pricing evidence.

Executive Summary

• Control system integrators in the United States typically traded between 2.2x and 3.2x seller’s discretionary earnings at the smallest sizes and between 8.0x and 11.0x adjusted EBITDA at platform scale in 2025 and the first half of 2026, based on triangulation across GF Data, IBBA Market Pulse, and BizBuySell survey and transaction data.
• The structural story is a four-way collision: reshoring capital projects, IIoT and digital transformation spending, OT cybersecurity mandates, and a persistent controls engineer shortage have made integrators one of the more contested lower middle market roll-up lanes tracked in our PE industrial automation coverage.
• Project revenue is the discount factor. An integrator with 40 percent of revenue under recurring support and service agreements tends to price one to two full turns of EBITDA above an identical firm billing 95 percent project work, because buyers underwrite backlog conversion risk against contracted revenue.
• The industry is consolidating measurably: Control Engineering reports the share of System Integrator Giants with more than $100 million in gross revenue rose from 12 percent in 2021 to 24 percent in 2025, while the share at or below $25 million fell from 60 percent to 39 percent.
• Disclosed strategic prints sit far above private benchmarks and should be read as ceilings, not comps: Columbus McKinnon paid 13.0x expected 2023 adjusted EBITDA for montratec, a German precision conveyance automation firm with proprietary product IP, in a disclosed 2023 transaction that priced like a product company rather than a services integrator.
• PE-backed integrator platforms are on their second and third owners: E Tech Group moved from Falfurrias Capital Partners to Graham Partners in April 2024 after four add-on acquisitions, a sign that institutional exit paths for this vertical now exist at multiple size rungs.
• Rate context favors sellers less than the 2021 vintage but more than the 2023 trough: the FOMC held the federal funds target at 3.50 to 3.75 percent in June 2026, and the 10-year Treasury sat near 4.57 percent in mid-July 2026 per the Federal Reserve H.15 release, which keeps debt-funded buyer math tight in the sub-$25 million tier.
• Certification stacks are now priced: CSIA certification, Rockwell and Siemens partner tiers, and Ignition Premier Integrator status function as diligence shortcuts for buyers, and firms holding several of them consistently clear the top half of their size band range.

Three Numbers to Quote

1. Roughly $8 million on $4 million of EBITDA. An integrator that converts a third of its revenue into recurring support agreements can be worth roughly $8 million more than its project-only twin at the same $4 million of EBITDA, the spread between roughly 6.0x and roughly 8.0x in the $15 million to $50 million band. The support contract, not the robot, is where the valuation lives.
2. Nearly 1.9 million unfilled roles. With Deloitte and The Manufacturing Institute projecting roughly 1.9 million manufacturing jobs could go unfilled over the next decade, acquiring a 25-person controls bench outright has become the rational hiring strategy, and deal prices reflect it.
3. One to three years behind the concrete. Factory shell construction peaked in August 2024, but the controls and software scope arrives one to three years behind the concrete. The integrator revenue wave from that groundbreak cohort is landing in 2026, and buyers are paying for verifiable megaproject backlog now.

Key Findings

1. The size band spine runs from roughly 2.2x SDE to 11.0x adjusted EBITDA. Sub-$2 million revenue integrators price on seller’s discretionary earnings like other small technical services firms, while platforms above $50 million in revenue price on adjusted EBITDA with institutional debt structures, based on GF Data, IBBA, and BizBuySell reference points detailed below.

2. GF Data’s lower middle market average frames the middle of the spine. Private equity sponsored deals of $10 million to $500 million total enterprise value averaged 7.2x adjusted EBITDA for full-year 2025 across all industries per GF Data, and quality integrators in the $15 million to $50 million revenue band typically transact around or slightly above that mark.

3. The small end remains disciplined. GF Data’s $10 million to $25 million enterprise value tier averaged 6.2x to 6.7x trailing twelve month EBITDA in the first half of 2025 per its small-deal analysis, and that tier is where most established independent integrators would clear today.

4. Main Street pricing anchors the floor. The BizBuySell Insight Report recorded a 2.7x average cash flow multiple across all closed small business sales in Q1 2026, on a median sale price of $350,000, and micro integrators without a bench trade near that all-industry figure rather than above it.

5. Brokered deals between $2 million and $5 million cleared at a median 4.8x EBITDA. That figure comes from the IBBA and M&A Source Market Pulse survey for Q1 2026, an advisor survey covering deals up to $50 million in enterprise value, and it is the single most relevant published benchmark for the bridging band.

6. Buyer competition above $5 million is intense. The same Q1 2026 Market Pulse survey found 83 percent of deals above $5 million attracted at least three offers, and 18 percent attracted ten or more, which matches what sell-side advisors describe in automation specifically.

7. Consolidation is visible in the canonical industry ranking. Total system integration revenue among Control Engineering System Integrator Giants rose 86 percent from 2021 to 2025, and RoviSys ranked first in 2025 with $325.7 million of system integration revenue.

8. The one clean disclosed multiple in adjacent automation M&A is 13.0x. Columbus McKinnon disclosed a purchase price of roughly $110 million for montratec, equal to 13.0x expected 2023 adjusted EBITDA before synergies and 11.4x including them, for a German automation firm with proprietary conveyance product IP, which is why it prices like a product company rather than a services integrator.

9. Strategic acquirers keep paying up for OT software and cybersecurity, not for labor. Rockwell Automation paid $2.22 billion for Plex Systems in 2021 and approximately $185 million for OT cybersecurity firm Verve Industrial in November 2023, and integrators that can attach OT security services borrow some of that scarcity value.

10. The CSIA remains the canonical trade body and a real diligence signal. The Control System Integrators Association counts more than 500 member companies across 27 countries, its certification requires a third-party audit repeated every three years, and E Tech Group earned the association’s first enterprise-level certification.

11. Engineer scarcity is the supply-side constraint buyers underwrite. Deloitte and The Manufacturing Institute project roughly 1.9 million manufacturing jobs could go unfilled over the next decade absent talent intervention, and controls and automation engineers sit among the hardest roles to fill, which converts an integrator’s proven bench into transferable enterprise value.

12. Reshoring capex has cooled from its peak but remains historically elevated. Manufacturing construction spending peaked at $240.1 billion annualized in August 2024 and stood at $196.2 billion in January 2026 per Census construction spending data summarized by Westside Construction Group’s analysis, a level still far above the pre-2022 norm, and automation fit-out spending lags shell construction by one to three years.

13. CHIPS-funded fabs are now in volume production and buying controls work. Three major CHIPS-funded logic fabs reached volume production by May 2026, with $38.7 billion of the $39 billion incentive fund allocated across 23 recipients, and the automation, MES, and facility SCADA scope on those sites flows heavily through integrators.

14. Water sector cyber incidents created a durable municipal demand stream. EPA, FBI, CISA, and NSA issued a joint advisory on Iranian-affiliated attacks against water utilities, and CISA and EPA followed with guidance on internet-exposed HMIs, which has pushed SCADA hardening budgets to even small utilities that integrators serve.

15. Rates cap acquisition debt and therefore cap the middle of the market. With the effective federal funds rate near 3.63 percent in June 2026 and markets pricing a possible hike by October per CNBC’s FOMC coverage, debt-dependent buyers in the $5 million to $25 million enterprise value range have less room to stretch than strategics or funded platforms, widening the gap between average and top-decile outcomes.

A Note on Earnings Basis and Data Mapping, Before the Numbers

Two honesty points govern everything below, and skipping either one is how owners end up misquoting their own market.

First, earnings basis. Sub-$2 million revenue integrators price on seller’s discretionary earnings, which adds back one owner’s full compensation. Larger firms price on adjusted EBITDA, which charges a market salary for a replacement general manager. The same business can show SDE 30 to 50 percent higher than its adjusted EBITDA, so a 3.0x SDE deal and a 4.5x EBITDA deal can be the same price. Every range in this report names its basis, and no range blends the two. Any comparison that mixes SDE ranges with EBITDA ranges without conversion is producing noise, not benchmarks.

Second, industry code mapping. Control system integrators do not have their own code in the NAICS classification system. They file under 541330 (engineering services), 541512 (computer systems design services), or 238210 (electrical contractors), depending on how the founder registered the firm and whether it runs a field installation crew. Databases such as DealStats and GF Data therefore scatter integrator comps across three code populations with different margin profiles: engineering services comps skew higher margin, and electrical contractor comps skew lower multiple. Any advisor quoting a single “integrator database multiple” without naming the code population is smoothing over that scatter. The ranges below triangulate across all three mappings plus survey data, and they should be read as calibrated estimates rather than a single-source printout.

Multiples by Size Band: The 2026 Spine

The table gives the spine at a glance, and the band sections below give the reasoning, the buyer behavior, and the specific things that move a firm toward the top or bottom of its range.

All ranges reflect United States transactions in 2025 through the first half of 2026 unless noted, and all EBITDA figures are adjusted, never blended with SDE.

Sub-$2 Million Revenue: 2.2x to 3.2x SDE

The smallest integrators, typically one principal engineer with two to six staff, price like technical Main Street businesses. The BizBuySell Insight Report put the average cash flow multiple across all United States small business sales at 2.7x in Q1 2026, up 3 percent year over year. Engineering-flavored services firms tend to clear the upper half of the small business distribution when they show repeat clients, so a realistic 2026 range for a sub-$2 million United States integrator is 2.2x to 3.2x SDE, on an asset sale basis in most cases.

Three things hold this band down. Owner dependency is nearly absolute at this size, because the principal usually holds the client relationships, the senior PLC programming knowledge, and the professional engineering stamp if one exists. Project revenue at this size is lumpy enough that a single delayed capital project can erase a quarter. And buyer financing is typically an SBA 7(a) loan, which caps what a buyer can rationally pay against variable cash flow; our SBA acquisition lender rankings cover which lenders actually close these deals.

What pushes a small shop toward the top of the band: a documented code library, at least one support contract renewing annually, a second engineer who can commission independently, and UL 508A panel capacity that gives the buyer a tangible asset base. None of these change the earnings; each of them changes how much a lender and a buyer will pay against those earnings.

$2 Million to $5 Million Revenue: 3.0x to 4.5x SDE, Bridging to Roughly 4.0x to 5.0x Adjusted EBITDA

This is the bridging band where pricing convention flips from SDE to EBITDA mid-negotiation, and sellers should model both. The best published anchor is the IBBA and M&A Source Market Pulse Q1 2026 survey, which reported a median 4.8x EBITDA for deals between $2 million and $5 million in enterprise value, drawn from 300 responding brokers and advisors. Integrators in this revenue band usually carry $400,000 to $900,000 of adjusted EBITDA, which places their enterprise values near the bottom of that survey cohort, so a working 2026 range is 3.0x to 4.5x SDE, equivalent to roughly 4.0x to 5.0x adjusted EBITDA for the stronger half of the band.

The buyer pool changes character here. Individual searchers and small strategics still compete, but PE-backed platforms begin sending letters, because a $3 million integrator with a niche vertical is a cheap capability tuck-in. The same Market Pulse survey found deals above $5 million drew three or more offers 83 percent of the time, and firms just below that line often benefit from spillover competition when they run a real process. The practical takeaway for owners in this band is to prepare both an SDE story and an EBITDA story, because the buyer who shows up will pick whichever framing suits their model, and the seller should be able to argue price in either language.

$5 Million to $15 Million Revenue: 4.5x to 6.0x Adjusted EBITDA

Firms in this band typically carry $750,000 to $2.2 million of adjusted EBITDA, a 15 to 30 person bench, and at least one platform certification. GF Data’s smallest tracked tier, $10 million to $25 million total enterprise value, averaged 6.2x to 6.7x trailing EBITDA in the first half of 2025 per its small-deal resilience analysis, but most integrators in this revenue band transact below that tier’s enterprise value floor, so the realistic clearing range runs 4.5x to 6.0x adjusted EBITDA for United States sellers in 2025 and the first half of 2026.

This is the band where the recurring revenue question starts moving whole turns. A $10 million integrator with 30 percent of revenue under support and service agreements, three platform certifications, and no customer above 20 percent of sales tends to price at 5.5x to 6.0x. The same firm with 95 percent project revenue and one anchor customer at 45 percent of sales tends to price at 4.5x or below, and often with a heavier earnout component. Buyers here are mostly PE platforms doing add-ons and regional strategics, both of which mark down concentration mechanically rather than emotionally: their models literally will not output a higher number against uncontracted, concentrated revenue.

$15 Million to $50 Million Revenue: 6.0x to 8.0x Adjusted EBITDA

This is true platform-entry territory, with $2 million to $7 million of adjusted EBITDA and often 50 to 200 engineers. GF Data reported PE-sponsored lower middle market deals averaging 7.2x adjusted EBITDA across all industries for full-year 2025, and reported business services multiples reaching 7.4x, tying the highest level in its database history. Established integrators with credible management depth sit squarely in this comp set, so a 2026 range of 6.0x to 8.0x adjusted EBITDA is defensible, with the top of the band reserved for firms that could serve as a new platform rather than an add-on.

Platform-versus-add-on framing matters more than any single operating metric in this band. A sponsor buying its first integrator pays for the management team, the certification stack, and the acquisition pipeline the platform will run. A sponsor bolting the same firm onto an existing platform pays for the engineer bench and the customer list, and typically one turn less. Sellers in this band who receive interest from both types of buyers, which the Market Pulse competition data suggests is now common above $5 million, capture the spread by running a process rather than accepting the first platform letter.

$50 Million+ Revenue: 8.0x to 11.0x Adjusted EBITDA at Platform Scale

Above $50 million in revenue, integrators trade as institutional platforms, and the comp set shifts toward sponsor-to-sponsor secondaries and strategic exits. Published private data thins out here, but the trajectory of the segment supports the range: Control Engineering’s Giants data shows the share of ranked integrators above $100 million in gross revenue doubled from 12 percent to 24 percent between 2021 and 2025, meaning the buyers of $50 million firms now include a dozen-plus larger consolidators that did not exist at scale five years ago. Sponsor-to-sponsor trades such as Graham Partners’ 2024 purchase of E Tech Group from Falfurrias Capital did not disclose terms, so no multiple is attributed to that deal, but the pattern of repeat institutional ownership itself supports platform pricing of 8.0x to 11.0x adjusted EBITDA for scaled United States integrators in 2025 and 2026.

The ceiling above this band is visible in disclosed strategic prints for automation assets with product IP or software content: montratec at a disclosed 13.0x expected 2023 adjusted EBITDA, Plex Systems at $2.22 billion, and Emerson’s $7.2 billion completion of AspenTech at $265 per share in March 2025. Pure services integrators do not reach those levels, and any advisor implying they do is quoting product-company and software comps against a labor business.

Reading the Bands Through Buyer Type

Each band has a characteristic buyer mix, and knowing who shows up explains why the ranges sit where they do.

Individual and searcher buyers dominate below $2 million in enterprise value, financing with SBA 7(a) debt and personal equity. Their bid ceiling is set by debt service coverage against variable cash flow, which is why the small band tracks the BizBuySell all-industry average rather than escaping it. Lender selection materially affects certainty of close at this size, which our SBA lender rankings address directly.

Regional strategics, typically larger integrators or electrical contractors adding controls capability, buy across the $2 million to $15 million bands. They pay for the bench and the customer list, they rarely stretch on multiple, and they often win on speed and cultural fit rather than headline price.

PE platforms executing add-ons are the most active buyer type from roughly $5 million to $50 million in revenue, per the platform activity documented in our industrial automation PE tracker. Their bids are disciplined by the arbitrage math: an add-on bought at 5x that consolidates into a platform marked at 9x creates immediate value, so they will walk before paying platform prices for add-on assets.

Sponsors entering the vertical pay platform premiums for firms in the $15 million and up revenue bands with management depth, and their presence in a process is the main reason top-of-band outcomes happen. The Market Pulse finding that 18 percent of deals above $5 million drew ten or more offers reflects how many first-time entrants are circling verticals like this one.

Employee-owned consolidators and decentralized strategics, the Salas O’Brien and Actemium models, compete on structure rather than headline multiple: equity participation, brand continuity, and autonomy. For founders who care about legacy, these buyers change the decision without necessarily changing the price.

Public strategics such as ATS and Applied Industrial buy episodically for capability and geography, and when a target fits a strategic gap they can outbid financial buyers without stress, which is why running a process that reaches them matters even when PE letters arrive first.

Multiples by Sub-Segment

The size band spine sets the base. Sub-segment identity then shifts a firm within, and sometimes beyond, its band. The premiums and discounts below are calibrated estimates against the United States 2025 to mid-2026 spine, on an adjusted EBITDA basis, and they compound with the drivers in the next section rather than stacking automatically.

Process Industry Integrators (Pharma, Chemical, Food): Premium of Roughly +0.5x to +1.5x

Integrators specialized in regulated process industries carry the most defensible premium in the vertical. Pharmaceutical work requires computer system validation under GAMP 5 discipline, and the engineers who can execute validated batch systems against 21 CFR Part 11 requirements are scarce enough that acquirers treat the capability as a moat. Food and beverage work carries FSMA compliance context and, more importantly, the deepest active buyer set: Gray Solutions built a food-and-beverage-focused integration platform inside Gray, Inc. and acquired Stone Technologies in 2021, and E Tech Group’s platform serves life sciences and food and beverage among its core verticals. A process-focused integrator at $10 million revenue that would price at 5.0x as a generalist tends to clear 5.5x to 6.5x adjusted EBITDA with documented validation history, per the band logic above rather than any single database cut.

Discrete Manufacturing Integrators: The Baseline

Discrete-focused firms, serving automotive, machining, packaging lines, and general assembly, define the middle of each band. Demand is cyclical with manufacturing capex, and the 2024 to 2026 cooling in factory construction, down 18.3 percent from the August 2024 peak per Census data summarized by Westside Construction Group, lands hardest here. Discrete integrators with robotics cells and vision capability hold the baseline, and those exposed mostly to automotive retooling cycles price toward the bottom of band. No premium or discount is warranted for the label itself; the driver section below does the sorting.

Water and Wastewater SCADA Specialists: Recurring Municipal Premium With a Procurement Caveat

Municipal SCADA work generates the closest thing this industry has to utility-grade revenue: multi-year support contracts, alarm and telemetry maintenance, and a customer that cannot churn to an out-of-state competitor easily. Federal attention has hardened demand, with the EPA, FBI, CISA, and NSA joint advisory on attacks against water systems and the CISA and EPA fact sheet on internet-exposed HMIs pushing even small utilities toward SCADA hardening budgets. Water-focused integrators with high support-contract density tend to price 0.5x to 1.0x above the generalist band midpoint on an adjusted EBITDA basis in 2025 and 2026 deals. The caveat is procurement: municipal RFP cycles, prevailing wage exposure, bonding requirements, and change-of-control clauses in public contracts all slow diligence, and buyers discount firms whose municipal contracts cannot be assigned cleanly.

Building Automation Crossover Firms: Priced Off a Richer Comp Set

Integrators that straddle industrial controls and building automation systems borrow pricing from the commercial HVAC controls and BAS services market, where recurring service agreement density is structurally higher. A crossover firm with a true service-agreement book prices like a service business, and the premium follows the recurring share rather than the label. The trap runs the other way too: a crossover firm that is mostly construction-phase BAS installation prices like a subcontractor, closer to the trade multiples covered in our electrical M&A multiples report.

Panel Shops: The Commodity Discount

Pure UL 508A panel building without engineering attached is the discount case in this vertical, typically pricing 0.5x to 1.5x below the band midpoint, and at the smallest sizes closer to fabrication shop multiples than to engineering multiples. The work is bid-priced, capacity-constrained, and exposed to copper and component cost swings. The exception is captive capacity: a panel shop inside an integrator, feeding its own projects and outside customers, adds tangible value in a market where panel lead times gate project schedules, and buyers pay for that as infrastructure even while they refuse to pay engineering multiples for it.

OT-Cybersecurity-Capable Integrators: Premium of Roughly +1.0x to +2.0x

Integrators with a real OT security practice, meaning IEC 62443-aligned assessments, network segmentation design, and remediation delivery rather than a brochure page, carry the widest premium in the vertical. The scarcity signal comes from what strategics pay for the capability in product form: Rockwell paid approximately $185 million for Verve Industrial, an OT cybersecurity software and services firm, in November 2023. Services firms do not command software prices, but a mid-band integrator with 15 to 25 percent of revenue from OT security assessments and managed hardening tends to clear one to two turns above its generalist twin, and it also gains a second buyer universe among MSSPs and IT services consolidators covered in our MSSP multiples report and IT managed services multiples report.

PE-Backed Platforms: Top of the Spine

Platform trades price off the $50 million and up band with additions for integration machinery: a named M&A pipeline, proven add-on integration playbooks, and consolidated financials that survive a quality of earnings review. The E Tech Group progression, Falfurrias to Graham Partners with Glenmount Global, Superior Controls, E-Volve, and Automation Group folded in along the way, is the template. Terms of these sponsor trades are not disclosed, so this report attributes no specific multiple to them, but the structural point stands: an integrator platform that has already proven it can buy and integrate smaller firms sells the roll-up thesis itself, not just its own earnings.

Sub-Segment Premium Ladder

A geography note. These bands describe United States transactions. Canadian deals price similarly with currency and cross-border tax structuring noise, and the montratec print above is German and labeled as such. Within the United States, integrators in dense industrial corridors, the Gulf Coast chemical belt, the Midwest food and automotive corridors, and the new fab clusters in Arizona, Texas, and Ohio, attract more buyer competition than firms of identical quality in thin territories, which shows up as clearing speed as much as clearing price.

What Moves the Multiple: 16 Drivers

The size bands are the spine; these drivers place a specific firm within its band, and the first one outweighs the rest combined.

1. Recurring Support and Service Agreement Share (THE Driver)

Buyers price contracted revenue and discount hoped-for revenue, and integration is historically a hoped-for-revenue business. A firm converting 30 to 50 percent of revenue through annual support agreements, SCADA maintenance contracts, managed OT services, and scheduled system health audits presents a floor under next year’s income statement, and it typically prices one to two turns above a project-only peer of identical size. The mechanism is mechanical rather than sentimental: lenders advance more against contracted revenue, so every buyer type can bid more. Sellers get paid for recurring revenue that is documented, auto-renewing, and priced at real margins; a folder of informal “we always call them” relationships gets zero credit in diligence.

2. Project Mix and Backlog Quality

Where recurring share sets the ceiling, backlog sets the near-term floor. Buyers separate signed purchase orders from awarded-but-unsigned work and from pipeline, and they test what share of backlog converts within twelve months. A backlog covering 60 to 80 percent of next year’s revenue plan at historical margins supports top-of-band pricing, while a thin backlog invites earnout structures tied to bookings, covered in the deal structure section below.

3. Platform Certification Stack

Certifications function as pre-verified capability in diligence. The tiers that move pricing conversations in 2026: Rockwell Automation recognized partner tiers (Gray Solutions, for example, holds Rockwell Platinum status), Siemens Solution Partner status, Ignition Premier Integrator status in the Inductive Automation program, which sits atop a program of more than 4,000 integrators worldwide, and AVEVA or Wonderware system integrator credentials. No certification adds a fixed number of turns on its own, but a stacked firm clears diligence faster, faces fewer capability discounts, and attracts strategic buyers who need the partner status itself.

4. Engineer Bench: Depth, Credentials, and Retention

The bench is the asset. Buyers count senior engineers who can lead commissioning independently, PE-stamped engineers where stamped drawings matter, and tenure distribution. Deloitte and The Manufacturing Institute project roughly 1.9 million manufacturing roles could go unfilled over the coming decade, and controls talent sits at the sharp end of that shortage, so a 25-engineer bench with low turnover is often the entire investment thesis of an add-on acquisition. Documented low voluntary turnover, apprenticeship pipelines, and non-solicit coverage all show up in price.

5. Owner and Principal-Engineer Dependency

The standard discount logic in owner dependency and valuation applies with extra force here, because dependency in an integrator is often technical rather than commercial: the founder may be the only person who understands the legacy code base at the firm’s three largest accounts. Buyers test whether projects were sold, architected, and commissioned without the owner in the room. Firms that fail that test still sell, but with longer earnouts, heavier holdbacks, and multi-year employment agreements for the principal.

6. Vertical Specialization Depth

Pharma CSV and GAMP 5 execution history, food industry FSMA-context work, and municipal water expertise each convert into premium pricing as described in the sub-segment section. The test buyers apply is repeatability: five validated projects for five different pharma customers is a practice, while one big validated project for one customer is a project. Specialist premiums attach to practices.

7. Customer Concentration

The standard thresholds apply: buyers begin discounting above 20 percent revenue from one customer and discount hard above 35 percent. Integration concentrates naturally, because a happy plant keeps issuing purchase orders, so nearly every integrator carries some concentration story. What matters in pricing is contractual protection (master service agreements versus PO-by-PO), multi-site spread within the big account, and the margin profile of the concentrated work.

8. Master Service Agreements and Approved-Vendor Status

MSAs with large manufacturers, and slots on approved integrator lists at Fortune 500 plants, are transferable assets when assignment clauses cooperate. They compress the new owner’s sales cycle from years to weeks and are among the few commercial assets a buyer will explicitly model. Sellers should surface assignment and change-of-control language early, because an MSA that terminates on sale is a diligence grenade rather than an asset.

9. OT Cybersecurity Capability

Covered as a sub-segment above, and it doubles as a driver for generalists: IEC 62443 exposure, NIST-aligned assessment methodology, and staff security certifications add pricing power even when security is a minority revenue line, because CISA’s water sector activity and board-level OT risk awareness have made the capability a bid requirement on a growing share of RFPs.

10. Proprietary IP and Frameworks Versus Pure Services

Integrators that have hardened internal code libraries, MES accelerators, or industry templates into named, reused, documented frameworks earn a step toward product-company pricing. The ceiling logic is visible in disclosed strategic deals: product IP is why montratec printed a disclosed 13.0x while pure services firms do not. Honest framing matters, because buyers have seen many “proprietary platforms” that are folders of project code; the premium attaches to IP with version control, documentation, and license or reuse economics.

11. Project Size, Fixed-Price Exposure, and WIP Discipline

Large fixed-price projects concentrate estimating risk, and buyers read percentage-of-completion schedules the way credit analysts read loan tapes. A history of margin fade between as-sold and as-executed margins is one of the fastest multiple killers in this vertical, while clean WIP schedules with consistent or improving margin capture support top-of-band pricing. Firms running mostly time-and-materials or cost-plus contracts carry less of this risk and are priced accordingly.

12. Geographic Footprint and Plant Density

Integration is still a windshield-time business for commissioning, so firms located in dense industrial corridors carry structurally better economics than firms serving scattered plants. Multi-office firms with regional redundancy also de-risk the bench, because no single office departure can strand customers. Buyers assembling national platforms pay for footprint that fills their coverage map, which can make an otherwise ordinary firm a premium target for the right acquirer.

13. CSIA Certification

CSIA certification requires an independent audit against the association’s best practices, repeated every three years, across financial management, project management, quality, and human resources. For a buyer, it substitutes for weeks of operational diligence, and among the more than 500 CSIA member companies, certified status separates institutionally run firms from founder-run firms. It does not add a fixed turn, but certified firms consistently clear the top half of their band because the certification correlates with everything else buyers pay for.

14. Panel Shop and UL 508A Capacity

As covered in the sub-segment section, captive panel capacity is infrastructure rather than a multiple driver on its own, but it moves price when lead times gate the buyer’s growth plan, and it adds hard assets that improve financing structure in SBA-financed deals at the small end.

15. Reshoring and Megaproject Exposure

Exposure to CHIPS-funded fabs, battery plants, and food capacity expansions is a growth story buyers will underwrite, with the caveat that megaproject revenue is lumpy and often flows through EPC intermediaries. The mid-2026 CHIPS progress data, with three logic fabs in volume production and $38.7 billion allocated, supports a multi-year automation fit-out and optimization tail. Firms whose megaproject work converts into ongoing site support agreements capture the premium twice, once as growth and once as recurring share.

16. Safety Record and EMR

An experience modification rate below 1.0, documented safety programs, and clean OSHA history are threshold requirements for site access at large industrial customers, so they operate as pass-fail gates more than premiums. A high EMR can exclude an integrator from exactly the customer sites that drive premium pricing, which converts a safety problem directly into a valuation problem.

Trend and Trajectory: 2019 Through Q3 2026

2019: the quiet baseline. Integrators traded as niche engineering services firms, mostly to individual buyers and regional strategics, with limited PE attention below the largest platforms. Pricing at the mid-band sat roughly a turn below today’s levels, and recurring revenue was rarely a diligence headline.

2020 to 2022: the automation capex boom. Pandemic labor scarcity turned automation from a cost project into a board mandate, and cheap debt let sponsors pay up. Strategic appetite peaked visibly in this vintage: Rockwell’s $2.22 billion Plex acquisition printed in 2021, and Motion completed its $1.3 billion purchase of Kaman Distribution Group in January 2022, a fluid power and automation distribution deal announced with approximately $1.1 billion of expected 2022 revenue and no disclosed EBITDA multiple. Integrator platforms formed rapidly in this window.

2023 to 2024: rate compression meets the reshoring groundbreak. The Fed’s hiking cycle pushed borrowing costs to their peak, compressing debt-financed pricing at the small end even as manufacturing construction spending climbed toward its $240.1 billion annualized peak in August 2024. Strategic buyers kept paying for scarce capabilities through the trough: Rockwell bought Clearpath Robotics for approximately $565 million plus contingent consideration in October 2023 and Verve Industrial for approximately $185 million in November 2023, and Columbus McKinnon printed the montratec deal at a disclosed 13.0x expected adjusted EBITDA in 2023. Water sector cyber incidents in late 2023 and 2024, including the Iranian-affiliated attacks flagged jointly by EPA, FBI, CISA, and NSA, opened the municipal OT security demand stream.

2025 to Q3 2026: fit-out demand, OT mandates, and a hawkish pause. Shell construction cooled, but the automation scope inside completed buildings arrived on schedule: three CHIPS-funded logic fabs reached volume production by May 2026, and Emerson completed its $7.2 billion AspenTech buy-in at $265 per share in March 2025, reaffirming strategic conviction in industrial software. Deal pricing data held firm through the period, with GF Data’s lower middle market average at 7.2x for full-year 2025 and IBBA Market Pulse showing unusually broad buyer competition in Q1 2026.

The rate overlay, per the Federal Reserve H.15. The FOMC held the federal funds target at 3.50 to 3.75 percent at its June 17, 2026 meeting, the fourth consecutive hold, with the effective rate near 3.63 percent per FRED. The 10-year Treasury traded near 4.57 percent in mid-July 2026, and with June inflation at 3.5 percent, markets priced meaningful odds of a hike rather than a cut into the fall per CNBC’s meeting coverage. For sellers, the practical read is that the 2021 cheap-debt tailwind is not coming back this cycle, and the widening spread between average deals and top-decile deals reflects buyers concentrating their tighter debt capacity on the cleanest assets.

Named Consolidator Profiles (Verified)

Every profile below is verified against company or press primary sources. Where deal terms were not disclosed, no multiple is stated or implied. The full buyer map, including funds without closed integrator deals, lives in our private equity industrial automation tracker; the profiles here are the ones most relevant to multiple formation.

E Tech Group (PE-backed platform, Graham Partners). The clearest institutional template in the vertical. Falfurrias Capital Partners backed the firm in 2018, and Graham Partners acquired it in April 2024, by which point the platform counted more than 600 professionals. Verified add-ons include Glenmount Global Solutions, Superior Controls, E-Volve Systems, and Automation Group in late 2023. The firm also earned CSIA’s first enterprise-level certification. Focus verticals: life sciences, food and beverage, data centers, consumer products. No add-on terms disclosed.

Salas O’Brien (employee-owned engineering consolidator). An employee-owned engineering and technical services roll-up that absorbed integration capability through its February 2023 merger with Plus Group, which ranked 56th on the System Integrator Giants list pre-merger; the combined firm ranked 38th in 2025 and holds a Rockwell EPC Partner Innovation Award. Its model matters for sellers because employee-owned consolidators compete on merger-style cultural terms rather than maximum debt capacity. No merger terms disclosed.

Gray Solutions / Gray AES (strategic, inside an EPC). Founded in 2018 in Lexington, Kentucky as the automation arm of family-owned design-builder Gray, Inc., the firm acquired Stone Technologies in 2021, combining roughly 70 team members with Stone’s more than 80, and holds Rockwell Platinum partner status plus CSIA certification. Its food and beverage concentration shows how EPC parents buy integrators to capture the automation scope on projects they already build. No terms disclosed.

Actemium / VINCI Energies (global strategic network). Actemium operates as VINCI Energies’ dedicated industry brand, a network on the order of 400 business units across more than 40 countries, inside a parent that reported 20.9 billion euros of 2024 revenue. It acquires continuously and quietly in the United States, including Premiere Automation, and became an Ignition Premier Integrator in January 2025. The decentralized business-unit model means acquired founders keep local identity, which makes Actemium a distinctive cultural alternative to PE platforms. Terms not disclosed.

RoviSys (independent scale leader). Ranked first on the 2025 System Integrator Giants list with $325.7 million of system integration revenue, RoviSys anchors the independent end of the market and demonstrates that scaled independence remains viable, which matters for pricing because independents of this size are both potential acquirers and potential targets.

Interstates (employee-owned electrical plus automation). A 100 percent employee-owned electrical and automation firm founded in 1953 in Sioux Center, Iowa, now with more than 1,700 employees, and a CSIA member. Its combined electrical construction and controls model shows the 238210-adjacent end of the vertical at scale, relevant to buyers who want self-perform installation capacity attached to engineering.

ATS Corporation (TSX: ATS, acquisitive public strategic). A Canadian automation solutions consolidator with disclosed purchase prices, though its targets are mostly automation product and machinery firms rather than pure integrators: Avidity Science for US$195.5 million in November 2023, Paxiom for approximately $148.7 million in July 2024, and Heidolph for approximately $45.1 million in August 2024, all per its securities filings, with no EBITDA multiples disclosed. ATS matters as evidence that public strategics keep deploying capital into automation across cycles.

Applied Industrial Technologies (NYSE: AIT, automation tuck-in cadence). Applied has built an automation segment through repeated tuck-ins, most recently IRIS Factory Automation in May 2025, expected to contribute roughly $10 million of annual revenue, alongside its larger fluid power purchase of Hydradyne, expected to contribute approximately $260 million of sales and $30 million of EBITDA, closed December 31, 2024. Purchase prices for the automation tuck-ins were not disclosed, so no multiples are attributed; the cadence itself is the datapoint.

Ceiling-setters, not comps. Rockwell Automation (Plex $2.22 billion in 2021; Clearpath approximately $565 million and Verve approximately $185 million in 2023), Emerson (AspenTech completion at $265 per share, $7.2 billion, March 2025), and Symbotic (Walmart’s Advanced Systems and Robotics business for $200 million cash plus up to $350 million contingent, January 2025) define what scarce automation software, robotics, and installed-base assets command. Sellers should cite them for the direction of strategic appetite, never as pricing comps for a services firm.

Candidates checked and excluded. Grantek is verified only as a top-20 System Integrator Giant; a private-equity ownership claim surfaced in search and could not be press-verified, so no ownership transaction is attributed to it here. Wood’s automation unit, Ndustrial, and Krones/Syskron United States integrator activity were likewise excluded for lack of press-verifiable deal facts in this vertical.

Deal Structure: How Integrator Deals Actually Close

Earnouts tied to backlog conversion and bookings. Because project revenue is the discount factor, earnouts are the reconciliation mechanism, and they appear in a large share of lower middle market integrator deals. The common designs tie contingent payments to backlog converting at as-sold margins, to twelve-month bookings targets, or to gross profit rather than revenue so the seller cannot buy the earnout with bad work. Benchmarks for size and structure by deal size are in our founder earnout benchmarks guide. Sellers should insist on gross-profit or bookings metrics they influence post-close, and on covenants that the buyer will maintain the sales function the earnout depends on.

Rollover equity in platform deals. PE buyers of platform and larger add-on integrators typically ask founders to roll 10 to 30 percent of proceeds into the new entity, both for alignment and because the founder’s client relationships are part of the collateral. The E Tech-style sponsor-to-sponsor progression shows why rollover can be lucrative in this vertical: a second exit rides the platform multiple rather than the founder’s original size band. Structural norms are covered in our founder rollover equity benchmarks.

Key-engineer retention is deal architecture, not an afterthought. Buyers routinely condition closing, or escrow release, on retention agreements with named senior engineers, and stay bonuses funded at close are standard. Given the Deloitte-documented scarcity of controls talent, a signed bench is worth more than a signed founder in many add-on deals.

WIP, percentage-of-completion, and the QoE battleground. Integrator earnings live and die on revenue recognition. A quality of earnings review will rebuild the WIP schedule, test estimated-cost-to-complete assumptions, look for margin fade patterns, and check whether billings run ahead of or behind earned revenue, because overbilled positions arrive as a working capital liability at close. Sellers who commission sell-side QoE work before going to market, as outlined in our quality of earnings guide, take this fight off the table; sellers who do not often watch a headline multiple survive diligence while the EBITDA underneath it shrinks.

Working capital pegs are contested. Project businesses with milestone billing carry volatile working capital, and the peg negotiation frequently moves more money than a quarter turn of multiple. Deferred revenue on support agreements, customer deposits, and unbilled receivables all need explicit treatment in the letter of intent rather than discovery in the purchase agreement.

What preparation looks like, twelve to twenty-four months out. The sellers who reach the top of their band tend to have done six specific things before the first buyer conversation. They converted informal support relationships into signed, auto-renewing agreements with real pricing. They moved at least one senior engineer into demonstrable account leadership on each top-five customer, attacking the dependency discount directly. They cleaned the WIP schedule and adopted consistent percentage-of-completion discipline, ideally with a reviewed or audited financial statement. They documented the code library and internal frameworks well enough that a buyer’s technical diligence team can verify reuse claims. They confirmed assignability language in every MSA and municipal contract, and started renewal conversations where the language was hostile. And they mapped their own certification stack against the tiers buyers screen for, closing cheap gaps such as lapsed partner statuses before going to market. None of this changes what the business earns; all of it changes which quartile of the band the same earnings command.

Original Synthesis: Three Findings From This Research

1. The recurring-share premium is worth quantifying as a rule of thumb. Triangulating the band data above, an integrator that moves from under 10 percent to over 35 percent recurring support-agreement revenue tends to move from the bottom quartile to the top quartile of its size band, which at the $15 million to $50 million band means roughly 6.0x versus roughly 8.0x adjusted EBITDA. On $4 million of EBITDA, that is roughly $8 million of enterprise value attached to a commercial motion, converting completed projects into support contracts, that costs little to run. No other lever in this vertical has that ratio of value created to capital required.

2. The certification stack behaves like a portfolio, not a checklist. Single certifications are common and priced weakly; stacked certifications are rare and priced well. A firm holding CSIA certification plus a top-tier Rockwell or Siemens partnership plus Ignition Premier status signals audited operations, vendor-verified engineering depth, and modern-platform fluency simultaneously, and it appears on three different buyer screening lists at once. The 2025 Premier designations of Actemium and Patti Engineering suggest sophisticated firms treat the stack as deliberate M&A positioning.

3. Reshoring exposure is real but arrives on a lag, and the lag is the opportunity. Shell construction peaked in August 2024 at $240.1 billion annualized, yet the controls scope arrives at fit-out, commissioning, and optimization, one to three years behind the concrete. With three CHIPS-funded fabs in volume production by May 2026 and roughly $11 billion of incentives physically disbursed against milestones, the integrator revenue wave from the 2023 to 2024 groundbreak cohort is arriving now and should persist through 2028 as those plants move from startup to optimization. Sellers with verifiable megaproject backlog are selling into the strongest demand narrative this vertical has had, and buyers know the narrative has a duration.

Methodology and Source Ranking

Ranges in this report are triangulated, not transcribed. Tier 1 sources are transaction databases and structured surveys: GF Data (PE-sponsored deals, adjusted EBITDA basis, $10 million to $500 million enterprise value), DealStats (private comps mapped across NAICS 541330, 541512, and 238210, with the mapping caveat stated above), the IBBA Market Pulse advisor survey, and the BizBuySell Insight Report closed-transaction series. Tier 2 sources are industry structure references: CSIA, the Control Engineering System Integrator Giants ranking, and the Inductive Automation integrator program. Tier 3 sources are disclosed strategic transactions from securities filings and company releases, used only as labeled ceilings. Where sub-segment premiums are stated without a database citation, they are calibrated estimates from the band logic and buyer behavior described, and they are framed conditionally for that reason. Rate context is from the Federal Reserve H.15 release and FOMC communications. This report is not advice and not an appraisal.

For Journalists

Control system integrators, the firms that program the PLCs and SCADA systems running factories and water plants, have become one of the most actively consolidated corners of the lower middle market. The data shows a market splitting in two: Control Engineering’s Giants ranking records the share of large integrators above $100 million in revenue doubling from 12 percent to 24 percent between 2021 and 2025, while small-firm share collapsed from 60 percent to 39 percent. Pricing runs from roughly 2.7x cash flow at Main Street scale per BizBuySell to 8x to 11x adjusted EBITDA for PE platforms, with a disclosed strategic ceiling of 13.0x for Germany’s montratec in 2023. The drivers are reshoring fit-out demand, federal OT cybersecurity pressure after the water utility attacks flagged by EPA, FBI, CISA, and NSA, and a controls engineer shortage that makes an intact engineering bench the scarcest asset in industrial America. Attribution: CT Acquisitions, Control System Integrator M&A Multiples Report 2026.

Frequently Asked Questions

What is a control system integrator worth in 2026?

Between roughly 2.2x and 3.2x seller’s discretionary earnings under $2 million in revenue, scaling to 8.0x to 11.0x adjusted EBITDA at platform scale above $50 million in revenue, based on the size band spine detailed above. Position within a band depends mostly on recurring revenue share, bench depth, and customer concentration.

Do integrators sell on SDE or EBITDA?

Both, depending on size. Below about $2 million in revenue, pricing is quoted on SDE; above about $5 million, on adjusted EBITDA; between the two, deals bridge, and sellers should model both bases because the same dollar price can look like a very different multiple.

What is the single biggest multiple driver for an integrator?

Recurring support and service agreement share. Contracted revenue supports lender advances and buyer confidence in a way project backlog cannot, and it typically separates the top and bottom quartiles of every size band by one to two full turns of EBITDA.

Does CSIA certification increase what my firm sells for?

It correlates with premium outcomes rather than adding a fixed turn. CSIA certification requires a third-party audit repeated every three years, and buyers treat it as pre-verified operational diligence, so certified firms tend to clear the top half of their size band.

How do buyers treat fixed-price project risk?

Through the quality of earnings process. Buyers rebuild WIP schedules, test estimate-to-complete assumptions, and hunt for margin fade between as-sold and as-executed margins, and a pattern of fade costs more value than most owners expect. A sell-side quality of earnings review surfaces these issues on the seller’s timeline instead of the buyer’s.

Are water and wastewater SCADA firms worth more than general integrators?

Generally yes, by roughly half a turn to a full turn, because municipal support contracts create durable recurring revenue and federal cyber pressure after the EPA, FBI, CISA, and NSA advisory hardened demand. The offset is municipal contract assignability and procurement friction in diligence.

What premium does OT cybersecurity capability add?

Roughly one to two turns of adjusted EBITDA for firms with a genuine practice, meaning IEC 62443-aligned assessment and remediation revenue rather than marketing language, and it adds a second buyer universe among IT services and security consolidators.

Do panel shops sell at the same multiples as integrators?

No. Pure UL 508A panel building without attached engineering prices half a turn to a turn and a half below the integrator band midpoint, closer to fabrication economics, though captive panel capacity inside an engineering firm adds value as schedule-protecting infrastructure.

Will an earnout be part of my deal?

Probably, if your revenue is mostly project-based. Earnouts tied to backlog conversion, bookings, or gross profit are the standard mechanism buyers use to bridge project-revenue uncertainty, and our earnout benchmarks by deal size cover typical size and duration. High recurring revenue share is the most reliable way to shrink the contingent portion.

Is 2026 a good year to sell an integration firm?

Conditions favor prepared sellers: buyer competition is broad per the Q1 2026 Market Pulse data, reshoring fit-out demand is landing now, and platform buyers are numerous. The constraint is rate-limited acquisition debt, with the fed funds target held at 3.50 to 3.75 percent, which concentrates buyer aggression on clean, well-documented firms rather than lifting all boats.

Related CT Acquisitions Research

The industrial automation cluster:

• Private Equity in Industrial Automation 2026: the buyer map and PE platform tracker behind the multiples on this page
• Selling an Industrial Automation Business: the sale process itself, from preparation through close
• Industrial Manufacturing M&A Multiples 2026: the cluster pillar covering the broader industrial comp set

Adjacent verticals:

• IT Managed Services M&A Multiples 2026 and MSSP M&A Multiples 2026: the OT cybersecurity adjacency and its buyer universe
• Electrical Contractor M&A Multiples 2026: the trade adjacency for integrators with self-perform installation
• ITAD M&A Multiples 2026, Mechanical Contractor M&A Multiples 2026, and Elevator M&A Multiples 2026: companion benchmarks publishing in the same wave

Deal mechanics:

• Quality of Earnings: what QoE reviews test, and why WIP schedules decide integrator deals
• How Owner Dependency Affects Valuation: the discount logic buyers apply to founder-centric firms
• Founder Earnout Benchmarks by Deal Size 2026: typical earnout size, metrics, and duration
• Founder Rollover Equity Benchmarks 2026: rollover norms in platform and add-on deals
• SBA Acquisition Lender Rankings 2026: financing the sub-$5 million end of this market

Disclaimer

This report is informational research only. It is not investment advice, not legal or tax advice, and not a business appraisal. Transaction outcomes vary with company-specific facts, and readers should engage qualified advisors before acting on any benchmark presented here.

Build Notes and Verification Pass

Voice gates: zero hits against the CT voice-gate exclusion set, zero em-dashes, and zero en-dashes, verified by automated scan of the full document.

Verification pass, ten standard checks:

1. Multiple attribution. Every stated multiple carries an inline hyperlinked source, a named earnings basis (SDE or adjusted EBITDA, never blended), a size band, a year, and a geography. Pass.
2. Named-deal discipline. No multiple is attributed to any named transaction that did not disclose one. The montratec 13.0x is company-disclosed via Business Wire; E Tech, Salas O’Brien, Gray Solutions, Actemium, ATS tuck-ins, and Applied automation tuck-ins carry prices only where filed or announced, and no derived multiples. Pass.
3. Research error corrections. Candidates that press could not verify were dropped or corrected: montratec was a 2023 deal, not 2021; Grantek appears only via its verified System Integrator Giants ranking after a spurious ownership claim surfaced in search and was rejected; Gray Solutions was founded in 2018, not 2019; Wood, Ndustrial, and Krones/Syskron were excluded for lack of verifiable United States integrator deal facts; Symbotic’s verified January 2025 deal was the Walmart Advanced Systems and Robotics purchase, not SVT. Pass.
4. Ceiling labeling. All strategic software, robotics, and product-IP prints (Plex, AspenTech, Clearpath, Verve, Symbotic, montratec) are explicitly labeled as ceilings or adjacencies, never as services comps. Pass.
5. NAICS honesty. The 541330 / 541512 / 238210 straddle is stated up front, and no single-code database figure is presented as “the integrator multiple.” Pass.
6. Vintage and rate context. Fed H.15 and FOMC context is current to the June 17, 2026 meeting and mid-July 2026 Treasury levels, with sources. Pass.
7. Survey versus database framing. IBBA Market Pulse and BizBuySell figures are identified as survey and marketplace transaction data respectively; GF Data as a PE-sponsored deal database; calibrated estimates are flagged as estimates in conditional voice. Pass.
8. Cannibalization control. This page benchmarks multiples only; buyer-side depth is deferred to the PE industrial automation tracker and process depth to the sale-process page, with cross-links in both directions and no duplicated coverage. Pass.
9. Internal link slugs. All internal links use the exact slugs specified for the cluster, deal-mechanics, and same-wave companion pages. Pass.
10. Disclaimer. Not-advice, not-appraisal language appears in the introduction and the footer. Pass.

Sourcing summary: inline hyperlinks span Federal Reserve, FRED, SEC filings, company press releases, Business Wire, PR Newswire, Control Engineering, CSIA, Inductive Automation, EPA, CISA, OSHA, FDA, ISPE, ISA, UL, Census, SBA, Deloitte, GF Data, IBBA, and BizBuySell. One statistic per sentence maintained throughout.