Daniel F. McNease

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

AXON EP, Inc. develops oilfield equipment, machinery, and related products. It offers rig concept and design, pressure products, well intervention products, drilling products, downhole and tubular products. The company was founded on August 18, 2010 and is headquartered in Houston, TX.

Dockwise Ltd. provides shipping transportation services. It offers heavy marine transportation services for cargo, including offshore drilling rigs, offshore production structures, modules for onshore industrial projects, and port and marine equipment. The company was founded in September 1993 and is headquartered in Papendrecht, the Netherlands.

Rowan Cos., Inc. engages in the provision of contract drilling services to the oil and gas industry. The company was founded by Charles Rowan and Archibald Rowan in 1923 and is headquartered in Houston, TX.

AXON Energy Products AS designs and manufacturers pressure control, well intervention and drilling products. The company is headquartered in Stavanger, Norway.