Roland P. DeBruyn

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Part of BP Plc, Dome Petroleum Ltd. is a Canadian company that explores and produces crude oil and natural gas. The private company is based in Calgary, Canada. Dome Petroleum was acquired by Amoco Corp. on September 29, 1988 for $4,198.71 million.

Hallwood Petroleum LLC engages in exploration and development onshore drilling. The company is headquartered in Frisco, TX.

Part of MDU Resources Group, Inc., Preston Reynolds & Co. explores for natural gas. The private company is based in Denver, CO. Preston Reynolds was acquired by WBI Holdings, Inc. on April 17, 2000. The company was founded by Eric Szaloczi.

Part of MDU Resources Group, Inc., Fidelity Exploration & Production Co. engages in oil and natural gas drilling. The private company is based in Denver, CO.

Luca Technologies, Inc. operates as a clean energy company. Its proprietary technology stimulates native microorganisms that reside in subsurface hydrocarbon deposits, such as coal, oil and organic-rich shales to accelerate the bioconversion of such resources into methane, the principal component of natural gas, which the company produces and sells using existing infrastructure. The company was founded by Eric Szaloczi, R. Verlin Dannar, Jeffrey L. Weber, Robert S. Pfeiffer, Michael P. Batzer, Christie L. Haas, Roland P. DeBruyn, and Allan F. Wise in April 2003 and is headquartered in Golden, CO.