Richard W. Volk

Part of Marathon Petroleum Corp., BHP Petroleum Americas Refining, Inc. is an American company that provides oil refining and marketing services. The company is based in HI. BHP Petroleum Americas Refining was acquired by Andeavor LLC, a subsidiary of Marathon Petroleum Corp. from BHP Group Ltd. on May 29, 1998 for $225 million.

Energy Reserves Group produced oil and gas. It had operation in the US. The company was headquartered in Wichita, KS.

Yuma Energy, Inc. is an independent energy company formed for the purpose of generating and selling exploration opportunities to major and independent oil and gas companies. Through its subsidiary, Yuma Exploration and Production Co., Inc., it continues to internally generate a risk/reward-balanced portfolio of investment opportunities in both conventional and unconventional oil resource plays for the company. Yuma Energy was founded by Sam L. Banks in 1983 and is headquartered in Houston, Texas.

Denali, Inc. produces fiberglass reinforced plastics composite products for corrosive environments. The company was founded in 1994 and is headquartered in Bangs, TX.