Building the Next Generation of Industrial Compounders
Our Investment Focus
Arcline is a growth-oriented private equity firm with over $20 billion in assets under management.
We build enduring industrial platforms by bringing together niche, mission-critical suppliers in resilient markets. We invest in businesses with persistent demand, limited disruption risk, and fragmented industry structures to support meaningful consolidation.
Our view is generational, not transactional.
Our Portfolio
We compound earnings over the long term through strategic M&A, operational rigor, and disciplined capital allocation rather than short-term financial engineering. Since 2018, we have formed our portfolio through 160+ acquisitions and built scaled platforms in aerospace and defense, engineered components, critical infrastructure, and test and measurement—all sectors defined by mission-critical performance, high-switching costs, regulatory barriers and long product lifecycles.
Select investments include:
Compounder Strategy
All
- All
- Critical Infrastructure
- Engineered Components
- Esoteric Parts
- Remote Monitoring
- Specialized Sub-Systems
- Test + Measurement
Company
Compounder Strategy
Engineered Components
,Compounder Strategy
Engineered Components
,Website
Year of Investment
2019
Company Profile
Arxis
Engineered components for mission-critical applications
Arxis brings together leading electronics and mechanical component suppliers serving the A&D and specialized industrials industries. Its portfolio of brands design and manufacture proprietary, mission-critical components engineered for cutting-edge performance in extreme environments.
Test + Measurement
,Compounder Strategy
Test + Measurement
,Website
Year of Investment
2021
Company Profile
DwyerOmega
Leading provider of proprietary, specialty sensing and instrumentation technology
DwyerOmega is a global leader in proprietary sensing and instrumentation technologies for industrial, medical, and high-tech markets. Its 20 trusted brands provide critical measurement solutions for applications in diverse markets including industrial and building automation, medical, and high-tech.
Test + Measurement
,Compounder Strategy
Test + Measurement
,Website
Year of Investment
2021
Company Profile
ChargePoint Technology
Proprietary safety equipment and consumables used in pharmaceutical manufacturing
ChargePoint Technology manufactures containment and aseptic powder transfer technologies used in the production of high potency active pharmaceutical ingredients (HPAPIs) and sterile drug products. ChargePoint enables its customers to safely and reliably manufacture leading drugs and therapies to treat cancer, diabetes, and other diseases requiring highly cytotoxic active pharmaceutical ingredients.
Critical Infrastructure
,Compounder Strategy
Critical Infrastructure
,Website
Year of Investment
2021
Company Profile
Fairbanks Morse
OEM and aftermarket solutions provider of critical systems to the US and allied Navies around the world
Fairbanks Morse Defense is the OEM and aftermarket provider to a large installed base of leading marine technologies, such as propulsion systems, handling systems, motors, controllers, and valves. Its products have been in operation for over 120 years and support mission-critical applications for the US and allied Navies and Coast Guards.
Critical Infrastructure
,Compounder Strategy
Critical Infrastructure
,Website
Year of Investment
2019
Company Profile
Cooper Machinery Services
OEM and aftermarket solutions for critical natural gas transmission infrastructure
Cooper is a global leader in OEM and aftermarket solutions that keep the world’s natural gas transmission and power infrastructure running efficiently. Its extensive installed base of critical machinery underpins energy reliability and supports the transition toward lower-carbon fuels.
Critical Infrastructure
,Compounder Strategy
Critical Infrastructure
,Website
Year of Investment
2025
Company Profile
Rotating Machinery Services, Inc.
Leading provider of specialty engineered aftermarket solutions for critical turbomachinery infrastructure
RMS is a leading independent provider of parts, repair, and engineering services for critical turbomachinery across global energy and industrial markets. It delivers highly differentiated solutions and trusted expertise that extend the life and reliability of essential long-lived assets.
Specialized Sub-Systems
,Compounder Strategy
Specialized Sub-Systems
,Website
Year of Investment
2021
Company Profile
Signia Aerospace
Global leader in specialized aerospace systems and components
Signia is a global, integrated provider of high-performance systems and specialized components serving aerospace OEMs and aircraft operators. Its portfolio of long-standing brands is trusted for engineering excellence, reliability, and innovation across mission-critical aerospace systems.
Specialized Sub-Systems
,Compounder Strategy
Specialized Sub-Systems
,Website
Year of Investment
2022
Company Profile
CoreDux
Leading designer and manufacturer of flexible gas and flow control components and systems
CoreDux is a vertically integrated manufacturer of proprietary, ultra-high purity flexible gas and fluid conveyance components and systems powering demanding, next-generation applications in EUV lithography and semiconductor manufacturing, aerospace, space exploration, and power generation.
Esoteric Parts
,Compounder Strategy
Esoteric Parts
,Website
Year of Investment
2026
Company Profile
Novaria Group
Precision components and specialty processes for A&D
Novaria is a leading provider of engineered components and specialty processes serving commercial aerospace and defense customers. Through a family of niche operating companies, the business supplies highly engineered fasteners, precision components, fabricated assemblies, fittings, and surface treatment capabilities, with differentiated manufacturing know-how and process IP supporting mission-critical aerospace applications.
Esoteric Parts
,Compounder Strategy
Esoteric Parts
,Website
Year of Investment
2025
Company Profile
American Casting Company
Complex investment castings for the most demanding A&D programs
ACC specializes in casting complex, tight-tolerance geometries from superalloys and other difficult‑to‑pour materials, enabling customers to achieve lighter‑weight designs, higher operating temperatures and improved performance.
Remote Monitoring
,Compounder Strategy
Remote Monitoring
,Website
Year of Investment
2022
Company Profile
Kings III
Leading provider of emergency communication and remote monitoring solutions
Kings III is a leading provider of emergency communication and remote monitoring systems serving the elevator and pool safety markets. Its comprehensive solutions combine proprietary hardware, 24/7 response centers, and compliance expertise to ensure safety and reliability.
Team
Our 60-person functionalized organizational structure is purpose-built to support our compounding strategy. Expert teams across research, business development, underwriting, and value creation operate as an integrated system in partnership with our companies and management teams – driving institutionalized sourcing, systematic research, and consistent execution.
Recent Developments
January 28, 2026