Firm at a glance
Arcline Investment Management is a platform private equity firm founded in 2018 and headquartered in Nashville, TN, per its own website [S1]. The firm reports approximately $30 billion in assets under management as of January 2025 [S1] and maintains additional offices in San Francisco and New York [S2].
What they buy
Arcline’s portfolio demonstrates a focus on industrial and technical businesses serving aerospace, defense, critical infrastructure, and specialized manufacturing markets [S1]. The firm appears to target companies producing engineered components, test and measurement equipment, and esoteric parts with technical barriers to entry [S1]. Portfolio activity suggests a buy-and-build strategy, with multiple add-on acquisitions completed within existing platforms [S2].
Portfolio
Aerospace & Defense
Fairbanks Morse Defense (platform, acquired 2021) serves critical infrastructure and defense markets [S1]. Signia Aerospace (platform, acquired 2021) operates in specialized sub-systems [S1]. Continental Aerospace Technologies was acquired in June 2026 [S2].
Critical Infrastructure & Energy
Cooper Machinery Services (platform, acquired 2019) focuses on energy transition and critical infrastructure [S1]. Rotating Machinery Services, Inc. (platform, acquired 2025) serves similar markets [S1].
Test & Measurement
DwyerOmega (platform, acquired 2021) operates in health and safety testing [S1]. ChargePoint Technology (platform, acquired 2021) serves life sciences and test markets [S1].
Specialized Components
CoreDux (platform, acquired 2022) operates in semiconductors and specialized sub-systems [S1]. Novaria Group (platform, acquired 2026) and American Casting Company (platform, acquired 2025) both focus on esoteric parts manufacturing [S1].
Recent activity (last 24 months)
* Avantus acquisition, July 2026 [S2]
* Continental Aerospace Technologies acquisition, June 8, 2026 [S2]
* Omnetics Connector Corporation add-on acquisition, June 2, 2026 [S2]
* MagCanica Inc. add-on acquisition, June 2, 2026 [S2]
* Arxis exit, April 16, 2026 [S2]
* Hydraulics International, Inc. acquisition, February 24, 2026 [S2]
* Rotating Machinery Services, Inc. acquisition, 2025 [S1]
* American Casting Company acquisition, 2025 [S1]
How this firm fits a seller
Arcline appears suited for owner-operators of technical manufacturing and industrial service businesses with defensible market positions in aerospace, defense, or critical infrastructure end markets. The firm’s recent exit of Arxis in April 2026 [S2] demonstrates active portfolio management and willingness to realize investments. The consistent add-on acquisition activity (two add-ons in the trailing twelve months per available data) suggests Arcline provides capital and operational support for platform companies pursuing roll-up strategies. Sellers in test and measurement, specialized components, or energy transition sectors may find sector alignment with existing portfolio companies.
Sources
[S1] https://arcline.com (as of 2025-01-13)
[S2] https://arcline.com/press-releases (as of 2025-01-13)
Frequently asked questions
Does Arcline Investment Management buy Aerospace & Defense businesses?
Yes, aerospace and defense represents a core sector for Arcline based on publicly disclosed portfolio companies [S1]. The firm acquired Fairbanks Morse Defense in 2021, Signia Aerospace in 2021, and Continental Aerospace Technologies in June 2026 [S1][S2]. These investments span defense systems, specialized sub-systems, and aerospace manufacturing.
What companies has Arcline Investment Management acquired recently?
Recent acquisitions include Avantus in July 2026, Continental Aerospace Technologies in June 2026, and Hydraulics International in February 2026 [S2]. The firm also completed two add-on acquisitions in June 2026: Omnetics Connector Corporation and MagCanica Inc. [S2].
Where is Arcline Investment Management based and how big is the firm?
Arcline is headquartered in Nashville, TN, with additional offices in San Francisco and New York [S2]. The firm reports approximately $30 billion in assets under management as of January 2025 [S1].
Is Arcline Investment Management still actively acquiring?
Yes, Arcline appears actively acquiring based on multiple transactions completed in 2026, including platform acquisitions in July and June 2026 and add-on acquisitions as recently as June 2026 [S2]. The firm’s transaction pace suggests ongoing deployment activity.
This profile is maintained by CT Acquisitions as an independent third-party reference. CT Acquisitions is not affiliated with, endorsed by, or a representative of the firm profiled. All facts sourced from publicly available materials as of the dates cited.