Andrew Imrie

Proserv Group, Inc. manufactures production equipment for the oil and gas industry. The firm offers drilling and production technology products, including control systems, regulators, and fluid sampling technology systems; check, relief, shuttle, SPM, directional control, and instrumentation valves; and chemical injection equipment, systems, panels, and skids. It also provides subsea control systems, installation and intervention control systems, and subsea dredging and sampling systems; and BOP stack and tree refurbishment, assembly, FAT, and SIT solutions for subsea and offshore renewable markets. The company was founded in 1974 and is headquartered in Westhill, the United Kingdom.

National Oilwell Varco UK Ltd. manufactures and distributes oil and gas field machinery and equipment. The company is headquartered in Gloucestershire, the United Kingdom.

GE Oil & Gas, Inc. manufactures and supplies blower and compressor technologies. The company is headquartered in Schenectady, NY.

Amec Foster Wheeler Ltd. provides consultancy, engineering, project management and operations, and maintenance services to global oil and gas; mining; clean energy; and environment and infrastructure markets. The company was founded on November 2, 1982 and is headquartered in Cheshire, the United Kingdom.

HgCapital LLP (HgCapital) is a private equity firm founded in 1985 by Craig M. Donaldson. The firm is headquartered in London, United Kingdom with additional offices in Munich, Paris, New York and San Francisco.