Manufacturing Business Multiples by Sub-Vertical (2026): Machine Shop to Semiconductor Equipment

If you’re trying to value a manufacturing business in 2026, the question isn’t “what multiple do manufacturers sell for” — it’s “what multiple does my specific sub-vertical sell for”. Manufacturing M&A spans a 3-4x EBITDA range across sub-verticals at the same earnings size. A general machine shop at $2M EBITDA clears 4-6x. The same shop with AS9100 aerospace certification clears 7-10x. Medical-device manufacturing with ISO 13485 + FDA registration clears 8-12x. Same earnings, same equipment, same workforce — different sub-vertical, different buyer pool, materially different headline price.

This guide is the comprehensive multiples table for U.S. manufacturing M&A in 2026 broken down by sub-vertical. We’ll walk through realistic SDE and EBITDA multiple ranges for: general machine shops, precision machining, aerospace/defense, medical device, metal fabrication, sheet metal, plastic injection molding, tool & die, contract manufacturing/EMS, defense ITAR, semiconductor capital equipment, industrial automation, food and beverage manufacturing, packaging manufacturing, and specialty industrial chemicals. For each sub-vertical: typical SDE/EBITDA multiple range, the buyer-pool that pays each band, the multiple drivers (certifications, customer mix, recurring revenue), and the named PE platforms and public strategic acquirers active in the sub-vertical.

The framework draws on direct work with 76+ active U.S. lower middle market buyers, of which 38 maintain explicit manufacturing or industrial mandates including sub-vertical specialists. We’re a buy-side partner. The buyers pay us when a deal closes — not you. That includes generalist industrial PE platforms (Audax Industrial, GenNx360 Capital, Trive Capital, Sterling Group, Wynnchurch Capital, Cortec Group, Industrial Growth Partners, Mason Wells, Pfingsten Partners, AEA Investors, Genstar Capital, Pamlico Capital), sub-vertical specialists (AE Industrial Partners and Liberty Hall Capital for aerospace, Linden Capital Partners and Patient Square Capital and LaSalle Capital for medical device, Arsenal Capital Partners for industrial chemicals, Wind Point Partners for consumer/industrial), and public-company strategic acquirers (APi Group, Comfort Systems USA, Watsco, Roper Technologies, HEICO, Atkore, Curtiss-Wright, TransDigm, Harsco, Ametek). The point of this article isn’t to convince you to sell — it’s to give you the most accurate multiple data we can verify across U.S. manufacturing sub-verticals in 2026.

One realistic note before you start. Multiples cited below are observed ranges from named-buyer deal data and industry trade publications. They’re directional rather than precise — an individual deal can clear above or below the range based on growth profile, customer mix, certifications, working capital, and management depth. Treat these ranges as starting points for triangulation rather than definitive answers.

“The single biggest driver of manufacturing multiple variance isn’t earnings size — it’s sub-vertical positioning. A $2M EBITDA general machine shop and a $2M EBITDA AS9100-certified aerospace precision machining business sell for materially different prices. 5x ($10M) versus 9x ($18M). Same earnings, same equipment, same workforce — different sub-vertical, different buyer pool, $8M of headline price difference. The certifications and customer mix that move you from generalist machining to aerospace specialty are the highest-leverage value-creation work most manufacturing owners can do pre-sale.”

Key Takeaways

• Multiple ranges by sub-vertical: machine shop 3-5x SDE / 4-6x EBITDA; precision machining 5-8x EBITDA; aerospace AS9100/NADCAP 7-10x; medical device ISO 13485 + FDA 8-12x; metal fab 4-6x; sheet metal 4-5.5x; plastic injection 4-6x (medical/aerospace 7-10x); tool & die 3-5x; contract manufacturing/EMS 5-7x; defense ITAR 7-10x; semiconductor capital equipment 8-12x; industrial automation 6-9x.
• Sub-vertical match drives 3-4x EBITDA of multiple variance at the same earnings size — the highest-leverage pre-sale positioning decision in manufacturing.
• Certifications drive sub-vertical access: AS9100 (aerospace) +1-3x, ISO 13485 + FDA (medical device) +2-3x, NADCAP +0.5-1x, ITAR +1-2x. Without certifications, sub-vertical positioning doesn’t hold up in diligence.
• Specialist PE platforms (AE Industrial Partners, Liberty Hall Capital, Linden Capital Partners, Patient Square Capital, Arsenal Capital, Wind Point Partners) pay 1-3x EBITDA more than generalists in their sub-vertical. Generalist platforms (Audax Industrial, GenNx360, Trive, Sterling, Wynnchurch, Cortec, IGP, Mason Wells, Pfingsten, AEA, Genstar, Pamlico) cover everything else.
• Public consolidators active across sub-verticals: APi Group (NYSE: APG), Comfort Systems USA (NYSE: FIX), Watsco (NYSE: WSO), Roper Technologies (NYSE: ROP), HEICO (NYSE: HEI), Atkore (NYSE: ATKR), Curtiss-Wright (NYSE: CW), TransDigm (NYSE: TDG), Harsco (NYSE: HSC), Ametek (NYSE: AME).
• Multiple drivers within each sub-vertical: recurring revenue +0.5-1.5x, customer diversification +0.5-1.5x, management depth +0.5-1x, working capital efficiency +0.25-0.75x, IIoT/Industry 4.0 +0.5-1x.

Why sub-vertical drives 3-4x EBITDA of multiple variance at the same earnings size

Manufacturing M&A multiples are sub-vertical-driven, not earnings-driven, within an EBITDA bracket. A $2M EBITDA general machine shop and a $2M EBITDA AS9100-certified aerospace precision machining business sit at the same earnings size but trade at materially different multiples. The general shop clears 4-6x ($8M-$12M TEV) from generalist PE platforms (Audax Industrial, GenNx360, Trive Capital, Sterling Group, Wynnchurch Capital, Cortec) or strategic regional consolidators. The aerospace shop clears 7-10x ($14M-$20M TEV) from sub-vertical specialists (AE Industrial Partners, Liberty Hall Capital) and public consolidators (HEICO on NYSE: HEI, TransDigm on NYSE: TDG, Curtiss-Wright on NYSE: CW). Same earnings, $6M-$8M of headline price difference.

Why specialists pay more. Sub-vertical specialist PE platforms have LP capital committed to the sub-vertical, deep operating expertise, customer relationships across Tier 1 OEMs, integration capability with existing portfolio companies, and a thesis-aligned exit path. They underwrite synergy-adjusted EBITDA against their existing platform infrastructure. Generalists underwrite standalone EBITDA against generic value-creation playbooks. The difference is 1-3x of EBITDA in headline multiple.

What sub-vertical positioning requires. Aerospace requires AS9100 quality management certification (18-36 months and $50K-$200K to achieve from scratch), ITAR registration if defense-related, and ideally NADCAP special-process accreditation for heat treat, coatings, or chemical processing. Medical device requires ISO 13485 quality management (24-48 months and $100K-$500K), FDA registration, and product-specific 510(k) clearances if manufacturing finished devices. Defense requires ITAR registration, EAR compliance for export controls, and U.S. citizen ownership for cleared work. Generic positioning (“we serve aerospace customers” without AS9100) doesn’t hold in diligence and gets you generalist multiples regardless of customer mix.

Machine shop and precision machining: 3-5x SDE / 4-8x EBITDA

General machine shop multiples: 3-5x SDE (sub-$1M earnings) / 4-6x EBITDA ($1M+ earnings). General job-shop machining (mixed industrial customers, no certifications, varied work scope) trades at the lower end of manufacturing multiples. Sub-$1M SDE shops sell to SBA-financed individuals and self-funded searchers at 3-5x SDE. $1M-$5M EBITDA shops sell to PE add-on programs (at platforms in machining or general manufacturing) and search funders at 4-6x EBITDA. $5M+ EBITDA platforms with documented systems and growth runway sell to generalist industrial PE (Audax Industrial, GenNx360, Trive Capital, Sterling Group, Wynnchurch Capital, Pfingsten Partners) at 5-7x EBITDA.

Precision machining multiples: 5-8x EBITDA. Precision machining (tight tolerances under 0.001″, complex geometries, 5-axis CNC capability, ISO 9001 quality system) trades 1-2x above general machining. Buyer pool widens to include precision-focused PE add-ons and platforms. Multiples accelerate when paired with: ISO 9001 certification (entry-level for precision platforms), customer mix in higher-spec end-markets (aerospace, medical, semiconductor), capacity headroom, and management depth.

Multiple drivers in machining sub-verticals. Recurring revenue from long-tenure customers (5+ year MSAs): +0.5-1x EBITDA. Customer diversification (top 5 under 40% of revenue): +0.5-1x. ISO 9001 certification: +0.25-0.5x (precision threshold). AS9100 certification: +1-2x (aerospace threshold — see aerospace section). 5-axis CNC capability: +0.5-1x. Documented Industrial Internet of Things (IIoT) sensor deployment and predictive maintenance: +0.5-1x.

Active buyers in machine shop M&A. Generalist PE: Audax Industrial, GenNx360 Capital, Trive Capital, Sterling Group, Wynnchurch Capital, Cortec Group, Industrial Growth Partners, Pfingsten Partners. Sub-vertical specialists when sub-vertical fit exists: AE Industrial Partners (aerospace), Liberty Hall Capital (aerospace), Linden Capital Partners (medical device), Arsenal Capital (industrial chemicals/specialty). Industry associations active in machining sourcing: NTMA (National Tooling and Machining Association), AMT (Association for Manufacturing Technology), PMA (Precision Metalforming Association).

Aerospace and defense manufacturing: 7-10x EBITDA

AS9100-certified aerospace manufacturing trades at 7-10x EBITDA. AS9100 quality management certification, NADCAP special-process accreditation (for heat treat, coatings, chemical processing, non-destructive testing), and ITAR registration (for defense-related work) are the entry tickets to the aerospace M&A buyer pool. Without these certifications, you’re positioned as a general machine shop selling parts that happen to go on aircraft — not as an aerospace specialist.

Multiple drivers in aerospace. Tier 1 OEM qualified-supplier status (Boeing BAC, Lockheed Martin, Raytheon, GE Aviation, Northrop Grumman, Pratt & Whitney): +1-2x. Long-tenure programs (15+ years on a specific aircraft platform): +0.5-1x. Defense work share above 30%: +0.5-1x (cyclicality offset by stable defense spending). MRO (Maintenance, Repair, Overhaul) capability layered on manufacturing: +0.5-1x. ITAR-restricted capability: +0.5-1x. NADCAP accreditation: +0.5-1x.

Active buyers in aerospace M&A. Sub-vertical specialists: AE Industrial Partners (~$5B AUM, dedicated aerospace/defense PE), Liberty Hall Capital (NYC, dedicated aerospace). Public consolidators: HEICO (NYSE: HEI, ~$4B revenue, top aerospace/defense parts consolidator), TransDigm (NYSE: TDG, aerospace components), Curtiss-Wright (NYSE: CW, defense and industrial process), and Roper Technologies (NYSE: ROP) for niche industrial-software-adjacent aerospace. Mega-fund industrial verticals (KKR Industrials, Carlyle industrials, Bain Capital industrials) deploy at $20M+ EBITDA aerospace platforms at 8-12x EBITDA.

Industry associations and certification bodies. NAM (National Association of Manufacturers), NTMA (National Tooling and Machining Association), AMT (Association for Manufacturing Technology), Aerospace Industries Association (AIA), and SAE International for AS9100 standards. NADCAP is administered by the Performance Review Institute (PRI). ITAR compliance is administered by the U.S. Department of State Directorate of Defense Trade Controls (DDTC).

Medical device manufacturing: 8-12x EBITDA

ISO 13485 + FDA registered medical device manufacturing trades at 8-12x EBITDA — the highest sub-vertical band in U.S. manufacturing M&A. Medical device M&A draws specialist PE deployment (Linden Capital Partners $8B+, Patient Square Capital ~$10B, LaSalle Capital), public-company strategic interest from medical-device OEMs and contract manufacturers, and recurring inquiry from generalists wanting medical-device exposure. The combination drives sustained competitive bidding.

Multiple drivers in medical device. ISO 13485 quality management certification: entry threshold (without it, generalist multiples). FDA registration as a medical device contract manufacturer: +1-2x. 510(k) clearance experience or PMA support: +1-2x. Class II/III device manufacturing capability: +1-2x. Long-tenure programs with major medical-device OEMs (Medtronic, Stryker, Johnson & Johnson, Boston Scientific, Abbott, Becton Dickinson): +0.5-1.5x. Cleanroom (ISO Class 7 or 8) capability: +0.5-1x. Sterile packaging or kit assembly capability: +0.5-1x.

Active buyers in medical device M&A. Sub-vertical specialists: Linden Capital Partners ($8B+ AUM, healthcare/medical-device PE), Patient Square Capital (~$10B AUM, healthcare-dedicated PE), LaSalle Capital (Chicago, lower-middle-market healthcare). Public consolidators: Roper Technologies (NYSE: ROP) for niche medical-device-adjacent industrial. Major medical-device OEMs (Medtronic, Stryker, Johnson & Johnson, Boston Scientific) acquire contract manufacturers strategically. Mega-fund industrial verticals (KKR, Carlyle, Bain Capital industrials) deploy at $20M+ EBITDA medical-device platforms at 9-12x EBITDA.

Regulatory considerations. FDA registration via Form FDA 2891, Quality System Regulation (21 CFR 820) compliance, Medical Device Reporting (MDR) requirements, and product-specific 510(k) submissions or PMA approval are all in scope for medical-device buyer diligence. State-level and international (EU MDR, ISO 13485 multi-country) compliance also matters for global supply chains. Medical-device buyers will deeply diligence FDA inspection history, Form 483 observations, and warning letters.

Metal fabrication, sheet metal, and structural steel: 4-6x EBITDA

Metal fabrication multiples: 4-6x EBITDA at $2M+ scale, 3-5x SDE at sub-$1M scale. Heavy metal fabrication (structural steel, custom fabrication, miscellaneous steel for commercial construction) trades at the lower end of manufacturing multiples due to project-based revenue (hard to underwrite recurring), customer concentration patterns (general contractors as customers create concentration), and capex intensity (welding equipment, fabrication tables). Buyer pool: SBA individuals (sub-$1M SDE), search funders ($1M-$3M EBITDA), generalist PE add-ons ($2M-$10M EBITDA), with limited specialist interest.

Sheet metal and architectural metal fabrication: 4-5.5x EBITDA. Sheet metal HVAC ductwork, architectural metal, custom enclosures — trades 0.5-1x below general fabrication because of higher customer concentration with HVAC contractors and lower technical specialization. Multiples improve with: certified welding capability (CWI, CWB), AWS welding standards compliance, custom design-and-build capability, and recurring service work.

Multiple drivers in metal fabrication. Recurring or contracted revenue (rare in fabrication but valuable when present): +0.5-1x. Customer diversification (top 5 under 40%): +0.5-1x. AISC steel certification (American Institute of Steel Construction): +0.25-0.5x for structural steel. Design-and-build capability vs build-to-print: +0.5-1x. Equipment age and capacity headroom: +0.25-0.5x. ITAR-restricted defense fabrication capability: +0.5-1x.

Active buyers in metal fabrication M&A. Generalist PE: Audax Industrial, GenNx360, Trive Capital, Sterling Group, Wynnchurch Capital, Cortec Group, Mason Wells, Pfingsten Partners. Public consolidators: Atkore (NYSE: ATKR) for electrical-infrastructure-adjacent steel, APi Group (NYSE: APG) for industrial-services-adjacent fabrication, Comfort Systems USA (NYSE: FIX) for mechanical-and-electrical-adjacent fabrication. Harsco (NYSE: HSC) for industrial-services-adjacent metals.

Plastic injection molding and tooling: 4-6x EBITDA (medical/aerospace 7-10x)

General plastic injection molding multiples: 4-6x EBITDA. Mixed-industry injection molding (consumer products, industrial components, automotive aftermarket) trades at generalist manufacturing multiples. Buyer pool: search funders, PE add-ons at platforms in plastics (Cortec Group, Wind Point Partners have plastics exposure), generalist platforms. Capex intensity (injection molding machines $500K-$2M each, tool maintenance) constrains multiples vs less-capex-intense manufacturing.

Medical-device or aerospace injection molding: 7-10x EBITDA. Medical-device injection molding (ISO 13485 + FDA registered, ISO Class 7/8 cleanroom, validated processes) trades 3-4x above general injection. Aerospace-grade injection molding with AS9100 certification trades 2-3x above general. Sub-vertical fit unlocks specialist buyer pool (Linden Capital, Patient Square, LaSalle Capital for medical; AE Industrial Partners, Liberty Hall for aerospace) and the associated specialist multiples.

Tool & die multiples: 3-5x EBITDA. Tool & die manufacturing (custom tooling, mold making, die making, jigs and fixtures) trades at the lower end of manufacturing multiples due to project-based revenue, customer concentration with manufacturing customers, owner-dependent technical expertise, and aging workforce demographics. Multiples improve with: long-tenure customer relationships, design engineering capability, automated CNC tooling capability, and second-tier technical management depth. Industry association: NTMA (National Tooling and Machining Association).

Active buyers in plastic injection and tooling. Generalist PE: Audax Industrial, GenNx360, Trive Capital, Cortec Group, Wind Point Partners (consumer plastics), Mason Wells, Pfingsten Partners, Pamlico Capital. Sub-vertical specialists for medical-grade: Linden Capital Partners, Patient Square Capital. For aerospace-grade: AE Industrial Partners, Liberty Hall Capital. Public consolidators: Roper Technologies (NYSE: ROP) occasionally for niche-specialty plastics.

Contract manufacturing and electronics manufacturing services (EMS): 5-7x EBITDA

Contract manufacturing multiples: 5-7x EBITDA at $5M+ scale. Contract manufacturers (CMs) and electronics manufacturing services (EMS) providers trade at mid-tier manufacturing multiples. Buyer pool: generalist industrial PE platforms, EMS-focused PE platforms, and public-company EMS strategics. Multiples accelerate with: high-mix low-volume capability, design-and-build engineering services, ISO 9001 + AS9100 + ISO 13485 multi-certification (any combination), and recurring program revenue.

Multiple drivers in contract manufacturing. Multi-certification capability (AS9100 + ISO 13485 + ISO 9001 simultaneously): +1-2x. Design engineering capability layered on build: +0.5-1x. Long-tenure programs (5+ years per program): +0.5-1x. Customer diversification (top 5 under 40%): +0.5-1x. Box-build/turnkey capability: +0.5-1x. Geographic diversification (multiple facilities, low concentration): +0.5x.

Active buyers in contract manufacturing. Generalist PE: Audax Industrial, AEA Investors, Genstar Capital, Trive Capital, Sterling Group, Wynnchurch Capital, GenNx360, Pfingsten Partners, Pamlico Capital. Sub-vertical specialists for aerospace contract manufacturing: AE Industrial Partners, Liberty Hall Capital. For medical device contract manufacturing: Linden Capital Partners, Patient Square Capital, LaSalle Capital. Public consolidators: Roper Technologies, Ametek (NYSE: AME) for niche industrial contract manufacturing.

Defense, ITAR, and government contractor manufacturing: 7-10x EBITDA

ITAR-registered defense manufacturing trades at 7-10x EBITDA. Defense work qualifies for premium multiples because of: stable U.S. defense spending baseline, multi-year program contracts, technical barriers to entry (security clearances, ITAR compliance, SCIF facilities for cleared work), and sub-vertical specialist buyer pool. ITAR registration via DDTC, EAR compliance for export controls, and U.S. citizen ownership are typical entry requirements for cleared defense work.

Multiple drivers in defense. ITAR registration: +1-2x. EAR compliance for export-controlled work: +0.5-1x. Security clearance facility (Secret or Top Secret): +1-2x. Long-tenure programs with defense primes (Lockheed Martin, Raytheon, Boeing Defense, Northrop Grumman, General Dynamics, L3Harris): +0.5-1.5x. Multi-program diversification (10+ active programs): +0.5-1x. AS9100 + NADCAP layered on defense: +0.5-1x.

Active buyers in defense M&A. Sub-vertical specialists: AE Industrial Partners (aerospace and defense), Liberty Hall Capital. Public consolidators: HEICO (NYSE: HEI), TransDigm (NYSE: TDG), Curtiss-Wright (NYSE: CW), and defense-prime acquisition arms. Mega-fund industrial verticals (KKR Industrials, Carlyle industrials, Bain Capital industrials) deploy actively at $20M+ EBITDA defense platforms at 8-12x EBITDA.

Semiconductor capital equipment and industrial automation: 6-12x EBITDA

Semiconductor capital equipment manufacturing: 8-12x EBITDA. Semiconductor capital equipment (lithography support, etch and deposition, metrology, test and measurement, factory automation for semiconductor fabs) trades at the highest end of manufacturing multiples driven by CHIPS Act-funded U.S. semiconductor capex (Samsung Taylor, TI Sherman, Intel Ohio, GlobalFoundries Sherman, TSMC Arizona, Micron Boise). Buyer pool: specialty PE platforms with semiconductor theses, public consolidators (Roper Technologies, Ametek), and large semiconductor equipment OEMs (Applied Materials, Lam Research, KLA, Tokyo Electron strategic acquisitions).

Industrial automation multiples: 6-9x EBITDA. Industrial automation manufacturing (control systems, robotics integration, motion control, factory automation, PLC/HMI systems) trades 1-3x above generalist manufacturing because of: software-margin overlay on hardware, recurring service revenue, IIoT/Industry 4.0 alignment, and software-like exit multiples available to acquirers. Buyer pool: Roper Technologies (NYSE: ROP), Ametek (NYSE: AME), automation-focused PE, and generalist platforms with automation theses.

Multiple drivers in semiconductor and automation. Recurring software/SaaS revenue layered on hardware: +1-3x. IIoT documented sensor deployment and predictive maintenance: +0.5-1x. ISO 9001 + sub-vertical certifications: +0.5x. Major semiconductor fab qualified-supplier status: +1-2x for semiconductor equipment. Multi-product platform with cross-sell: +0.5-1x. Engineering services revenue layered on equipment sales: +0.5-1x.

Active buyers in semiconductor capital equipment and automation. Specialty PE for semiconductor: dedicated semiconductor-focused PE platforms, Audax Industrial, AEA Investors, Genstar Capital. Public consolidators heavy in this space: Roper Technologies (NYSE: ROP, niche industrial software/hardware), Ametek (NYSE: AME, precision instruments and electromechanical). Strategic acquirers: Applied Materials, Lam Research, KLA do strategic acquisitions of semiconductor equipment manufacturers. Mega-fund industrial verticals deploy at $30M+ EBITDA semiconductor equipment platforms at 10-14x EBITDA in the most differentiated cases.

Multiple drivers across all manufacturing sub-verticals

Within each sub-vertical, the same multiple drivers operate consistently. Buyers across all manufacturing sub-verticals scrutinize the same set of factors: recurring revenue, customer diversification, management depth, working capital efficiency, capex intensity, growth profile, and operational systems. The multiple range within a sub-vertical (e.g., 4-6x EBITDA in metal fabrication) reflects how a specific business scores on these drivers.

Recurring revenue: +0.5-1.5x EBITDA. Contracted MSAs, long-tenure programs, recurring maintenance/service revenue, or product-based recurring (consumables, replacement parts) all push multiples upward. Sub-verticals with naturally recurring patterns (medical-device contract manufacturing, semiconductor equipment service, aerospace MRO) trade higher within their range than peers without recurring revenue.

Customer diversification: +0.5-1.5x EBITDA. Top 5 customers under 40% of revenue: positive. Top 1 customer above 30%: negative across all archetypes. PE platforms scrutinize customer concentration heavily because they model exit risk; strategics may pay through concentration if synergy logic exists. Diversification of 12-24 months pre-sale is high-leverage prep work.

Management depth: +0.5-1x EBITDA. CFO, COO, head of operations or sales presence at $5M+ EBITDA scale. Without real management depth, PE platforms either pass or insist on 18-24 month management hires post-close (which compresses your headline multiple). Hire CFO and operations manager 12-18 months pre-sale to capture the management-depth premium.

Working capital efficiency: +0.25-0.75x EBITDA. DSO 45-60 days (above 75 days signals collection issues): meaningful for buyers. DPO 45-60 days (below 30 days signals weak supplier negotiation). Inventory turns 4-8x annually for most manufacturing sub-verticals (below 3x signals overstock). Pre-sale working capital cleanup typically returns 0.5-1x in headline multiple.

IIoT/Industry 4.0 documentation: +0.5-1x EBITDA. Documented sensor deployment, predictive maintenance programs, MES/ERP integration, OEE tracking, and digital factory capability draw premium multiples particularly from Roper Technologies, Ametek, and digitally-oriented generalist platforms. The premium reflects software-like margins layered on industrial operations.

Buyer pool by sub-vertical: which platforms compete in your space

Generalist industrial PE platforms cover all manufacturing sub-verticals at $5M+ EBITDA. Audax Industrial (~$43B AUM), Genstar Capital ($50B+), AEA Investors ($18B+), Trive Capital (~$5B), Sterling Group ($5B+), Wynnchurch Capital (~$5B), Cortec Group ($2B+), GenNx360 Capital (~$1.5B), Industrial Growth Partners, Mason Wells, Pfingsten Partners, Pamlico Capital ($3B+). All have explicit industrial mandates and active deployment across machining, metal fab, plastic injection, contract manufacturing, and other generalist manufacturing sub-verticals at 6-9x EBITDA for $5M+ EBITDA platforms.

Sub-vertical specialists pay 1-3x premium in their domain. Aerospace: AE Industrial Partners (~$5B), Liberty Hall Capital. Medical device: Linden Capital Partners ($8B+), Patient Square Capital (~$10B), LaSalle Capital. Industrial chemicals/specialty materials: Arsenal Capital Partners ($8B+). Consumer/industrial diversified: Wind Point Partners ($3B+). Sub-vertical match unlocks the specialist premium.

Public consolidators active across manufacturing. APi Group (NYSE: APG, ~$7B revenue) for industrial-services-adjacent. Comfort Systems USA (NYSE: FIX, ~$5B) for mechanical-electrical-adjacent. Watsco (NYSE: WSO, ~$7B) for HVAC distribution-adjacent. Roper Technologies (NYSE: ROP) for niche industrial-software-adjacent. HEICO (NYSE: HEI) for aerospace/defense parts. Atkore (NYSE: ATKR) for electrical infrastructure. Curtiss-Wright (NYSE: CW) for defense and industrial process. TransDigm (NYSE: TDG) for aerospace components. Harsco (NYSE: HSC) for industrial services. Ametek (NYSE: AME) for precision instruments and electromechanical.

Mega-fund industrial verticals at $20M+ EBITDA. KKR Industrials, Carlyle industrials, Bain Capital industrials, Onex Partners industrials, Bromford Industries. Pay 8-12x EBITDA for differentiated platforms. Particularly active in semiconductor capital equipment, defense, and medical device at $30M+ scale.

Common manufacturing seller mistakes in multiple positioning

Mistake 1: anchoring on a generic “manufacturing trades at 6-8x” multiple. There is no single “manufacturing multiple.” Multiples vary 3-4x EBITDA across sub-verticals at the same earnings size. Anchor on your specific sub-vertical range, validated by certifications and customer mix, not on generic headlines.

Mistake 2: claiming aerospace or medical positioning without certifications. Generic “we serve aerospace customers” without AS9100 doesn’t hold up in diligence. Sub-vertical specialist buyers (AE Industrial Partners, Liberty Hall Capital, Linden Capital Partners, Patient Square Capital) require certifications. Either complete certification 18-48 months pre-sale or position as generalist manufacturing with sub-vertical customer mix as a positive (not as the lead).

Mistake 3: failing to diversify customer base in a high-multiple sub-vertical. Customer concentration above 30% caps your multiple even in a high-multiple sub-vertical. A medical-device manufacturer with one customer at 50% of revenue trades at 6-8x rather than 8-12x — concentration overwhelms sub-vertical premium. 12-24 months pre-sale, diversify aggressively.

Mistake 4: ignoring working capital and capex when presenting EBITDA. Buyers don’t value EBITDA in isolation — they value EBITDA minus capex (free cash flow) and adjust for working capital absorption. Manufacturing businesses with high capex intensity (8-12% of revenue) trade at lower multiples than EBITDA-comparable businesses with low capex (3-5%). Document capex history and replacement schedule clearly.

Mistake 5: positioning to one buyer archetype only. Sellers fixated on PE platform exits often miss that a strategic acquirer (HEICO, TransDigm, Roper, Ametek, APi Group, Comfort Systems USA) might pay 1-2x more for synergistic fit. Run targeted parallel outreach to 8-15 thesis-aligned platforms plus 2-3 strategic targets to maintain leverage and capture the highest available multiple.

Food and beverage manufacturing, packaging, and specialty industrial sub-verticals

Food and beverage manufacturing multiples: 5-8x EBITDA. Specialty food and beverage manufacturing (sauce, condiment, ingredient, snack, beverage, dairy, meat processing, bakery) trades at mid-tier manufacturing multiples driven by recurring consumer demand, brand defensibility, and distribution moats. Buyer pool: consumer-focused PE platforms (Wind Point Partners, Cortec Group), generalist industrial PE (Audax, AEA Investors, Genstar Capital), and public consumer-products consolidators. Multiples accelerate with: branded products (vs private-label), recurring contracted shelf space, USDA/FDA certified facilities, organic/specialty positioning, e-commerce direct-to-consumer capability layered on traditional manufacturing.

Packaging manufacturing multiples: 5-7x EBITDA. Specialty packaging (corrugated, flexible packaging, rigid plastic, glass, specialty paper, labels) trades at mid-tier industrial multiples. Buyer pool: Audax Industrial, Wind Point Partners, Mason Wells, Cortec Group, plus packaging-focused PE platforms. Multiples accelerate with: sustainability credentials (FSC certified, recycled content, biodegradable), customer diversification across consumer-products, industrial, and food-and-beverage end-markets, technical capability moats (specialty printing, structural design engineering, e-commerce protective packaging).

Specialty industrial chemicals multiples: 6-9x EBITDA. Specialty industrial chemicals (industrial coatings, adhesives, specialty resins, lubricants, water treatment chemicals, agrichemicals) trades at the higher end of industrial multiples driven by formulation moats, regulatory barriers, and recurring customer relationships. Buyer pool: Arsenal Capital Partners ($8B+, dedicated industrial chemicals/specialty materials PE), generalist platforms (Audax, Genstar, AEA Investors), and public chemical consolidators. Multiples accelerate with: proprietary formulations, regulatory approvals (EPA registrations, REACH compliance), customer-base diversification, and recurring volume contracts.

Industrial distribution and value-added distribution multiples: 5-8x EBITDA. Industrial distribution (electrical, plumbing, HVAC, mechanical, welding supplies, tools, MRO supplies) and value-added distribution (kitting, light assembly, customization layered on distribution) trade at mid-tier multiples. Buyer pool: Watsco (NYSE: WSO) for HVAC distribution, Atkore (NYSE: ATKR) for electrical, generalist industrial PE (Audax, Sterling Group, Wynnchurch, Genstar, AEA Investors, Pamlico Capital), and distribution-focused PE platforms. Multiples accelerate with: scale (regional or national footprint), e-commerce capability, value-added services (kitting, logistics, technical sales), and exclusive supplier relationships.

Other specialty manufacturing sub-verticals. Specialty industrial automation (control systems, robotics integration, motion control): 6-9x EBITDA from Roper Technologies, Ametek, automation-focused PE. Specialty fasteners (industrial fasteners, aerospace fasteners, automotive fasteners): 5-8x EBITDA, with aerospace fasteners trading higher (7-10x) when AS9100 certified. Specialty bearings: 5-7x EBITDA, with aerospace/precision bearings trading higher when ABMA-recognized or AS9100 certified (industry association: ABMA, American Bearing Manufacturers Association). Industrial pumps and valves: 5-8x EBITDA. Specialty welding/cutting equipment: 5-7x EBITDA.

Multiple compression and discount triggers across all sub-verticals

Multiple compression operates consistently across manufacturing sub-verticals. Buyers across all archetypes (PE platforms, sub-vertical specialists, public consolidators, family offices, search funders) discount multiples for consistent risk factors. Knowing the discount triggers helps sellers prioritize pre-sale prep work.

Customer concentration: 0.5-1.5x EBITDA compression. Top 1 customer above 30% of revenue: -0.5 to -1x EBITDA. Top 1 above 50%: -1 to -2x EBITDA, often passes from PE platforms entirely. Top 5 above 70%: -0.5 to -1.5x. Concentration drives multiple compression because PE platforms model exit risk — the eventual acquirer (mega-fund or public consolidator) will discount for portfolio concentration. Diversifying customer base 12-24 months pre-sale is high-leverage prep.

Owner dependency: 0.5-1.5x EBITDA compression. Sole-Master-Electrician-style scenarios in manufacturing: only the owner has key technical knowledge (programming, CAM, customer relationships, certification responsibility). Without management depth, PE platforms either pass or insist on 18-24 month management hires post-close which compress headline multiple. Hire CFO and operations manager 12-18 months pre-sale to capture the management-depth premium.

Capex intensity above 8% of revenue: 0.5-1x EBITDA compression. Manufacturing sub-verticals with capex above 8% of revenue (e.g., heavy fabrication, large-format machining, mold-making, food processing with major equipment) face compressed multiples because buyers deduct capex requirements from EBITDA-eligible cash flow. Document capex history with replacement schedule clearly — buyers will assume worst-case if capex isn’t documented.

Aging equipment: 0.25-0.75x EBITDA compression. Equipment that’s 12+ years old or near end of useful life creates buyer assumption of major capex requirements within 24 months post-close. Pre-sale equipment audits, capex catch-up investments 18-24 months pre-sale, and documented replacement schedules mitigate the discount.

Working capital inefficiency: 0.25-0.5x EBITDA compression. DSO above 75 days signals collection problems. DPO below 30 days signals weak supplier negotiation. Inventory turns below 3x annually signal overstock. Pre-sale working capital cleanup (collecting old AR, negotiating extended payment terms, reducing safety stock) typically returns 0.25-0.5x in headline multiple.

Workforce and labor risk: 0.25-1x EBITDA compression. Union exposure with imminent contract negotiation: -0.5 to -1x. Skilled-trades shortage exposure (welder shortage, machinist shortage) without retention strategy: -0.25 to -0.5x. I-9 / workforce documentation issues: -0.5 to -1x. Worker compensation experience modifier above 1.0: -0.25x. Address workforce risk 12-18 months pre-sale where possible.

Environmental exposure (manufacturing real estate): 0.5-2x EBITDA compression. Prior solvent use, paint operations, plating, hazardous waste storage, underground storage tanks, or contaminated soil create real environmental liability that buyers either price into the deal or use to walk. Phase I environmental assessment ($3-5K, 30-45 days) and Phase II if needed ($10-50K, 60-90 days) early in diligence. Address findings promptly. Environmental issues kill 5-10% of manufacturing deals at the 11th hour.

References and further reading

Verifiable U.S. government, industry association, public company, and PE firm sources backing the multiples and named entities above. Multiple ranges and named buyers are drawn from public PE firm filings, fund-formation databases, public-company 10-K disclosures, industry trade publications, and the named firms’ investor materials. The references section at the end lists verified URLs for further research.

Conclusion

Manufacturing M&A multiples in 2026 are sub-vertical-driven, not earnings-driven, within an EBITDA bracket. General machine shops trade at 4-6x EBITDA. Precision machining at 5-8x. Aerospace AS9100/NADCAP/ITAR at 7-10x. Medical device ISO 13485 + FDA at 8-12x. Metal fabrication at 4-6x. Sheet metal at 4-5.5x. Plastic injection molding at 4-6x (medical/aerospace 7-10x). Tool & die at 3-5x. Contract manufacturing/EMS at 5-7x. Defense ITAR at 7-10x. Semiconductor capital equipment at 8-12x. Industrial automation at 6-9x. Within each range, the same multiple drivers operate: recurring revenue, customer diversification, management depth, working capital efficiency, sub-vertical certifications, and IIoT/Industry 4.0 documentation. Owners who succeed are the ones who position their business in the highest sub-vertical their certifications and customer mix support, hire real management depth 12-18 months pre-sale, diversify customer concentration aggressively, and run targeted outreach to thesis-aligned named platforms (generalists, sub-vertical specialists, mega-fund verticals, public consolidators) rather than running generic auctions. The owners who do this work see 1-3x EBITDA better outcomes than the ones who go to market unprepared. And if you want to talk to someone who already knows the buyers personally instead of running a generic auction, we’re a buy-side partner — the buyers pay us, not you, no contract required.

Frequently Asked Questions

What multiple does a machine shop sell for in 2026?

General machine shop multiples: 3-5x SDE at sub-$1M earnings; 4-6x EBITDA at $1M+ EBITDA. Precision machining (tight tolerances, 5-axis CNC, ISO 9001): 5-8x EBITDA. AS9100-certified aerospace machining: 7-10x EBITDA. Buyer pool varies: SBA individuals at sub-$1M SDE, search funders and PE add-ons at $1M-$5M EBITDA, generalist PE platforms (Audax Industrial, GenNx360, Trive Capital, Sterling Group, Wynnchurch Capital) at $5M+ EBITDA.

What multiple does an aerospace manufacturer sell for?

AS9100-certified aerospace manufacturing: 7-10x EBITDA. Multiple drivers: NADCAP special-process accreditation +0.5-1x, ITAR registration +0.5-1x, Tier 1 OEM qualified-supplier status +1-2x, long-tenure programs +0.5-1x. Active buyers: AE Industrial Partners (~$5B AUM, dedicated aerospace PE), Liberty Hall Capital (aerospace), HEICO (NYSE: HEI), TransDigm (NYSE: TDG), Curtiss-Wright (NYSE: CW), and mega-fund industrial verticals (KKR, Carlyle, Bain Capital) at $20M+ EBITDA.

What multiple does a medical device manufacturer sell for?

ISO 13485 + FDA registered medical device manufacturing: 8-12x EBITDA — the highest sub-vertical in U.S. manufacturing M&A. Multiple drivers: 510(k) clearance experience +1-2x, Class II/III device capability +1-2x, cleanroom (ISO Class 7/8) +0.5-1x, long-tenure programs with major OEMs (Medtronic, Stryker, Johnson & Johnson, Boston Scientific) +0.5-1.5x. Active buyers: Linden Capital Partners ($8B+ AUM), Patient Square Capital (~$10B), LaSalle Capital, plus medical-device OEMs.

What multiple does metal fabrication sell for?

General metal fabrication and structural steel: 4-6x EBITDA at $2M+ scale, 3-5x SDE at sub-$1M. Sheet metal: 4-5.5x EBITDA. Multiples improve with: AISC steel certification, design-and-build capability vs build-to-print, recurring contracted revenue, customer diversification. Active buyers: generalist PE (Audax Industrial, GenNx360, Trive, Sterling, Wynnchurch, Cortec, Mason Wells, Pfingsten), public consolidators (Atkore on NYSE: ATKR, APi Group on NYSE: APG, Comfort Systems USA on NYSE: FIX, Harsco on NYSE: HSC).

What multiple does plastic injection molding sell for?

General plastic injection molding: 4-6x EBITDA. Medical-device injection (ISO 13485 + FDA, ISO Class 7/8 cleanroom): 7-10x. Aerospace-grade injection (AS9100): 7-9x. Multiple drivers: certifications, validated processes, customer mix in regulated end-markets, capex profile of injection molding equipment ($500K-$2M per machine). Active buyers: generalist PE (Cortec, Wind Point Partners, Mason Wells, Pfingsten), medical-device specialists (Linden, Patient Square, LaSalle), aerospace specialists (AE Industrial, Liberty Hall).

What multiple does tool & die manufacturing sell for?

Tool & die manufacturing: 3-5x EBITDA, the lower end of manufacturing multiples. Limiting factors: project-based revenue, customer concentration with manufacturing customers, owner-dependent technical expertise, aging workforce demographics. Multiples improve with: long-tenure customer relationships, design engineering capability, automated CNC tooling capability, second-tier technical management depth. Industry association: NTMA (National Tooling and Machining Association).

What multiple does contract manufacturing/EMS sell for?

Contract manufacturing and EMS: 5-7x EBITDA at $5M+ scale. Multiple drivers: multi-certification capability (AS9100 + ISO 13485 + ISO 9001) +1-2x, design engineering capability +0.5-1x, long-tenure programs +0.5-1x, customer diversification +0.5-1x, box-build/turnkey capability +0.5-1x. Active buyers: generalist industrial PE, sub-vertical specialists for aerospace/medical contract manufacturing, public consolidators (Roper Technologies on NYSE: ROP, Ametek on NYSE: AME).

What multiple does defense manufacturing sell for?

ITAR-registered defense manufacturing: 7-10x EBITDA. Multiple drivers: ITAR registration +1-2x, EAR compliance +0.5-1x, security clearance facility +1-2x, long-tenure programs with defense primes (Lockheed Martin, Raytheon, Boeing Defense, Northrop Grumman, General Dynamics, L3Harris) +0.5-1.5x. Active buyers: AE Industrial Partners, Liberty Hall Capital, public consolidators (HEICO, TransDigm, Curtiss-Wright), mega-fund industrial verticals (KKR, Carlyle, Bain Capital).

What multiple does semiconductor capital equipment sell for?

Semiconductor capital equipment manufacturing: 8-12x EBITDA — among the highest in U.S. manufacturing M&A. Driven by CHIPS Act-funded U.S. semiconductor capex (Samsung Taylor, TI Sherman, Intel Ohio, GlobalFoundries Sherman, TSMC Arizona, Micron Boise). Multiple drivers: major fab qualified-supplier status +1-2x, multi-product platform with cross-sell +0.5-1x, recurring service revenue +1-2x, software/SaaS layered on hardware +1-3x. Active buyers: specialty PE platforms, Roper Technologies (NYSE: ROP), Ametek (NYSE: AME), strategic semiconductor equipment OEMs (Applied Materials, Lam Research, KLA, Tokyo Electron).

What multiple does industrial automation sell for?

Industrial automation manufacturing: 6-9x EBITDA. Multiple drivers: recurring software/SaaS revenue layered on hardware +1-3x, IIoT/Industry 4.0 documented +0.5-1x, multi-product platform +0.5-1x, engineering services revenue +0.5-1x. Active buyers: Roper Technologies (NYSE: ROP), Ametek (NYSE: AME), automation-focused PE platforms, generalist industrial PE with automation theses (Audax Industrial, AEA Investors, Genstar Capital).

How much do certifications add to manufacturing multiples?

AS9100 (aerospace): +1-2x EBITDA from generalists, +1-3x from aerospace specialists (AE Industrial Partners, Liberty Hall Capital). ISO 13485 + FDA registration (medical device): +2-3x EBITDA, particularly from medical-device specialists. NADCAP special-process accreditation: +0.5-1x. ITAR registration (defense): +1-2x. AISC steel certification: +0.25-0.5x for structural steel. ISO 9001: +0.25-0.5x as entry-level for precision platforms. Certifications also widen the buyer pool to specialty platforms that pay specialist multiples generic buyers can’t match.

How do recurring revenue and customer diversification affect multiples?

Recurring revenue (contracted MSAs, long-tenure programs, recurring maintenance/service): +0.5-1.5x EBITDA across all sub-verticals. Customer diversification (top 5 under 40% of revenue): +0.5-1.5x. Customer concentration above 30% on a single customer: -0.5 to -1.5x EBITDA. Both drivers operate consistently across machining, fabrication, plastic injection, contract manufacturing, defense, and specialty manufacturing — the magnitude varies by sub-vertical.

How is CT Acquisitions different from a sell-side broker or M&A advisor?

We’re a buy-side partner, not a sell-side broker. Sell-side brokers represent you and charge you 8-12% of the deal (often $300K-$1M+) plus monthly retainers, run a 9-12 month auction process, and require 12-month exclusivity. We work directly with 76+ buyers — 38 of them with active manufacturing/industrial mandates including generalist industrial PE (Audax Industrial, GenNx360, Trive Capital, Sterling Group, Wynnchurch Capital, Cortec, IGP, Mason Wells, Pfingsten, AEA Investors, Genstar, Pamlico), sub-vertical specialists (AE Industrial Partners, Liberty Hall Capital, Linden Capital Partners, Patient Square Capital, LaSalle Capital, Arsenal Capital, Wind Point Partners), and public-company strategic acquirers (APi Group, Comfort Systems USA, Watsco, Roper, HEICO, Atkore, Curtiss-Wright, TransDigm, Harsco, Ametek) — who pay us when a deal closes. You pay nothing. We move faster (60-180 days from intro to close) because we already know which named buyers fit your manufacturing business by sub-vertical.

Sources & References

All claims and figures in this analysis are sourced from the publicly available references below.

1. U.S. Small Business Administration SOP 50 10 7 — Governs SBA 7(a) and 504 loan programs relevant to sub-LMM manufacturing acquisitions across all sub-verticals.
2. National Association of Manufacturers (NAM) — Trade association representing 13,000+ U.S. manufacturers; publishes Manufacturing Outlook Survey documenting capex intentions and cross-sub-vertical demand.
3. National Tooling and Machining Association (NTMA) — Industry association for U.S. tool and die, mold, and machining manufacturers; sourcing channel for sub-vertical-specific M&A.
4. Association for Manufacturing Technology (AMT) — Industry association for manufacturing technology providers; publishes USMTO report tracking capital equipment investment.
5. Precision Metalforming Association (PMA) — Industry association for U.S. precision metalforming, stamping, and fabricating manufacturers.
6. Manufacturers Alliance (MAPI) — Industry association and research organization for U.S. manufacturers; publishes industry forecasts and benchmark data.
7. Bureau of Labor Statistics — Manufacturing Industry Statistics — Federal employment, wage, and productivity data for U.S. manufacturing sectors (NAICS 31-33), broken down by sub-vertical.
8. Bureau of Economic Analysis — Industry GDP — Manufacturing share of U.S. GDP and value-added output by sub-sector.
9. HEICO Corporation (NYSE: HEI) Investor Relations — Public-company filings disclosing acquisition strategy for the most active U.S. aerospace/defense parts consolidator.
10. Roper Technologies (NYSE: ROP) Investor Relations — Public-company filings disclosing M&A approach for niche industrial businesses with high recurring revenue and software-like margins.
11. AE Industrial Partners — Aerospace and defense-focused PE firm; publishes portfolio across aerospace, defense, space, and government services manufacturing.
12. Linden Capital Partners — Healthcare and medical-device-focused middle-market PE firm; publishes portfolio across medical device manufacturing.