Skip to content

engine & Compressor BRANDS

Cooper has the capability to work on most major brands of
slow-speed and high-speed engines and compressors.
SERVICING COOPER AND NON-COOPER ENGINES AND COMPRESSORS

Brands Served

Cooper is a proud O.E.M. of several legendary gas compression and power generation equipment brands such as AJAX, Cooper-Bessemer, Enterprise, Gemini, Superior, Texcentric, and TSI. Since 2019, the new Cooper acquired several businesses that have helped us expand and improve our engine and compressor offering. We now provide a complete line of Cooper parts, service, repairs, upgrades, and technical support for the following product lines.

Cooper O.E.M. Brands Served

Other Engine & Compressor Brands Served

EXPANDING OUR CAPABILITIES THROUGH ACQUISITIONS​

2019
Epic International and
Reciprocating Technology Services
The acquisitions of these companies further solidified Cooper's position as a leading manufacturer and service provider of compression and engine systems. Epic International specializes in energy services and provides OEM-quality parts, repair, and field services for engine and compressor brands, while RTS offers modernization, optimization, aftermarket parts, and field services for reciprocating engines and compressors.
2019
2019
Reciprocating Technology Services (RTS)
Since 1983, Turbine Technology Services has provided innovative technologies and engineering, high-value solutions and gas turbine expertise to over 400 clients worldwide. Our offerings to the global power generation and midstream industries include Controls and Control Panels, Gas Turbine Parts Supply, Conversions, Modifications and Upgrades, Asset Performance Technologies, Engineering, and OnSite Services, Power Plant Services, and DynaFlex Performance Services.
2019
2020
Sinor Engine Company, Inc.
Acquired Sinor Engine Company. Sinor, founded in 1962 and based in Deer Park, Texas, provides OEM-parts, expert repair, and field services for engine and compressor brands, including Superior, JOY, and Elliott Turbochargers, advancing Cooper's position as a leading manufacturer and service provider of critical compression and engine systems.
2020
2020
HOERBIGER’s Engine Legacy Solutions
Cooper Machinery Services has acquired HOERBIGER's Engine Legacy Solutions business to enhance their position as the technical leader of critical compression and engine systems. HOERBIGER's Engine Legacy Solutions specializes in repairs, upgrades, overhauls, and emissions advancements for large natural gas and dual fuel engines.
2020
2020
Energy Dynamics, LLC (EnDyn)
EnDyn, founded in 1978 and based in Alice, Texas, offers OEM-parts, repair, and field services for major engine and compressor brands, including AJAX, Superior, and Waukesha. With a 70,000 sq. ft. facility and over 160 years of combined experience, EnDyn provides Cooper with parts, service, and manufacturing capabilities. EnDyn's Alice Operations also offers technical support, engineering, training, and has grown into a global provider of PowerParts and services through its network of agents and distributors.
2020
2020
Turbocharger Solutions International (TSI)
Cooper Machinery Services has acquired Archrock Services' turbocharger division to form a new turbocharger division, Turbocharger Solutions International (TSI). The division is composed of Cooper's turbine specialties team in Salina, Kansas, and Archrock's McPherson, Kansas, division, with a focus on providing new and repaired turbochargers for major brands such as ABB, Caterpillar, and Delaval. No financial details were disclosed. TSI's leader, Mitch Opat, expressed his excitement about bringing the two teams together to drive value and enhance the customer experience.
2020
2020
TrueRock Holdings, LLC
Founded in 2011 and based in Stafford, Texas, TrueRock is a provider of parts, repair, and technical support on several prominent compression brands with an emphasis on Gemini® compressors. TrueRock brings strong engineering and technical support capabilities to the Cooper organization. Through its network of agents and distributors, TrueRock has grown from a regional player into a worldwide provider of compression parts and service.
2020
2023
Terrecorp, Inc.
Founded in 1998 and based in Indianapolis, Indiana, Terrecorp is a manufacturer of aluminum, bronze, and steel-backed bearing shells and bushings for a large variety of reciprocating engine brands such as AJAX, Clark, Cooper-Bessemer, Ingersoll Rand, and Worthington
2023
2024
Tucker Valve Seat Company
Founded in 1957 and based in Odessa, Texas, Tucker Valve Seat Company is a manufacturer of superior industrial alloy valve seats for critical applications such as LP, gas, diesel, natural gas, and unleaded fuels.
2024
2024
Green Production Services, LLC.
Founded in 2013 and headquartered in La Pryer, Texas, Green Production Services, LLC. is a rental compression company with a large fleet of compressor packages that serve our customers in South and West Texas. This acquisition allows Cooper to proactively maintain and grow the O.E.M. installed base of AJAX and Superior packages and unlock new revenue streams in the upstream production compression market.
2024
2025
ACI Services, Inc.
Founded in 1960 and headquartered in Cambridge, Ohio, ACI Services, Inc. has been at the forefront of delivering advanced solutions for reciprocating compressors. Offerings include engineering services, innovative hardware products, and tailored solutions. ACI’s expertise in reciprocating compressors, coupled with their innovative approach to engineering solutions, aligns with Cooper’s mission to deliver best-in-class products and services to the energy industry. This acquisition enhances Cooper’s ability to provide robust compressor solutions and underscores our commitment to serving the full breadth of our customers’ needs.
2025

Cooper Machinery Services and its products and services are not sponsored, authorized, or endorsed by Caterpillar, Clark, Ingersoll Rand, Waukesha, or Worthington. All non-O.E.M. product names are property of their respective owners. Any references to trademarked names are solely for informational purposes and do not constitute a claim of ownership by Cooper Machinery Services of CAT, Clark, Ingersoll Rand, Waukesha, or Worthington. CAT is a registered trademark of Caterpillar, Inc. Waukesha is a registered trademark of INNIO Waukesha Gas Engines, Inc. Ingersoll Rand is a registered trademark of Ingersoll Rand, Inc.”