Jackie Mann

Marathon Oil UK LLC provides oil and gas exploration, production and development services. The firm specializes in the supply of liquid hydrocarbons and natural gas to energy markets. Its focus areas encompass oil sands mining, field leasing and extraction methodology development. The company was founded on April 19, 1978 and is headquartered in Aberdeen, the United Kingdom.

Part of Weatherford International plc, Weatherford GB LLP functions as an investment holding company. The company is based in Aberdeen, UK.

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.