Paul D. DeWeese

Capstone Green Energy Corp. engages in the development, manufacture, marketing, and service of microturbine technology solutions. It targets vertical markets worldwide such as natural resources, energy efficiency, renewable energy, critical power supply, transportation, and microgrids. The firm's products generate electric power output for commercial, industrial, and utility purposes. It also sells microturbine units, components, and accessories. The company was founded in 1988 and is headquartered in Van Nuys, CA.

Boomerang Tube LLC produces oil country tubular goods and line pipes. It produces electric resistance welded oil country tubular goods and line pipes. The firm's primary raw material utilized for production of tubes is hot rolled steel coils which are obtained domestically from qualified flat rolled producers. The company was founded by Gregg M. Eisenberg in 2007 and is headquartered in Chesterfield, MO.

Echo Holdings LLC functions as an investment holding private company. The company is based in Tallman, NY.

Socotherm SpA develops and markets metal products and external coating treatments. The firm's products include Plastykote and Plastykote. Its first product Plastykote is a thermoplastic coating applied to steel pipeline as anticorrosion protection and its mechanical resistance is a preference when there are risks of particularly severe coating damages. The company was founded in 1859 and is headquartered in Adria, Italy.

CRC-Evans Pipeline International, Inc. manufactures pipeline construction equipment and automatic welding systems. Its products and services include joint coating and heat treatment, non-destructive testing, pipe weighting, pipeline maintenance and rehabilitation equipments and pipe coating plant and lay barge equipments. The company was founded in 1933 and is headquartered in Houston, TX.

Part of American Block Manufacturing Co., Southwest Oilfield Products, Inc. manufactures fluid end pump products. The private company is based in Houston, TX. Southwest Oilfield Products was acquired by American Block Manufacturing Co. from GES-Global Energy Services, Inc. on April 27, 2015.

GES-Global Energy Services, Inc. operates as a parent company with interests in designing and manufacturing mobile land drilling rigs, premium mud pump components and expendables and fully integrated AC and DC power systems. The firm f offers services through its subsidiaries. It provides products and services to its global client base through three business units such as drilling systems, power systems, and pressure systems. The company is headquartered in Dallas, TX.

Epic International LLC designs and manufactures engine-compressor products. It offers engine, reciprocating compressor, centrifugal compressor parts. The firm also produces compressor controllers under TurboLogix brand. The company was founded in 2015 and is headquartered in Tomball, TX.

RKTM Holdings LLC functions as a private equity firm. The private company is based in La Porte, TX. The CEO of the company is Paul D. DeWeese.