David Zachariah

Hamilton Robinson Capital Partners LLC (HRCP) is a private equity firm founded in 1984. The firm is headquartered in Stanford, Connecticut.

Petreco International, Inc. supplied custom processing oil and gas separation products. The company was headquartered in Houston, TX.

Part of Archrock, Inc., Applied Process Solutions, Inc. is a company that provides natural gas compression rental equipment. The company is based in Houston, TX. Applied Process Solutions was acquired by Hanover Compressor Co. on June 05, 2000 for $64.69 million.

Weatherford International, Inc. manufactures drill pipes and oil field equipment. Its products include cavity pumps, reciprocating rod lift systems and gas lift, electric submersible pumps, and hydraulic lift systems. The company was founded in 1972 and is headquartered in Houston, TX.

Cameron International Corp. designs, manufactures, markets and services equipment used by the oil and gas industry and industrial manufacturing companies. It provides flow equipment products, systems and services to worldwide oil, gas and process industries. The company was founded by Harry Cameron and James Abercrombie in 1920 and is headquartered in Houston, TX.

Baker Hughes Holdings LLC supplies oilfield services, products, technology, and systems to the worldwide oil and natural gas industry. It provides products and services for other businesses including downstream chemicals, and process and pipeline services. The company is headquartered in Houston, TX.

Camco, Inc. (Nevada) manages retail pawn businesses that sell jewelry, electronics, toys, games, music instruments, and tools. The company was founded on July 9, 1968 and is headquartered in Las Vegas, NV.