Christopher Alan Krummel

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.

McDermott International, Inc. engages in the provision of technology, engineering, construction, and installation solutions to the energy industry. It operates through the following segments: North, Central, and South America (NCSA); Europe, Africa, Russia and Caspian (EARC); the Middle East and North Africa (MENA); Asia Pacific (APAC); and Technology. The NCSA segment designs, engineers, and constructs upstream offshore oil and gas facilities, downstream oil and gas facilities and pipelines, gas-fired power plants, LNG import and export terminals, atmospheric and refrigerated storage vessels and terminals, water storage and treatment facilities and pipe and module fabrication. The EARC segment focuses in the upstream offshore oil and gas facilities, downstream oil and gas facilities, LNG import and export terminals, and atmospheric and refrigerated storage vessels and terminals. The MENA segment comprises upstream offshore oil and gas facilities and pipelines, downstream oil and gas facilities, hydrocarbon processing facilities, atmospheric and refrigerated storage vessels and terminals, and performs pipe fabrication and manufacturing. The APAC segment involves in the upstream offshore oil and gas facilities and pipelines, refining and petrochemical facilities, hydrocarbon processing facilities, LNG import and export terminals and atmospheric and refrigerated storage vessels and terminals. The Technology segment consists technology licensor of proprietary gas processing, refining, petrochemical and coal gasification technologies as well as a supplier of proprietary catalysts, equipment and related engineering services. The company was founded in 1923 and is headquartered in Houston, TX.

Enventure Global Technology LLC provides solid expandable tubular solutions for the energy industry. It offers drilling, completions, and intervention services. The company was founded in 1998 and is headquartered in Houston, TX.

Part of McDermott International, Inc., McDermott Marine Construction Ltd. is a British company that provides engineering, subsea, project management and construction services. The private company is based in London, UK.

Eco-Stim Energy Solutions, Inc. is an oilfield services company, which engages in the provision of well stimulation, coiled tubing, and field management services to the upstream oil and gas industry. The company was founded on November 20, 2003 and is headquartered in Katy, TX.