Kathleen Hogenson

Zone Energy LLC explores oil and gas properties. The firm acquires and develops producing properties with long-lived reserves and stable production profiles in Texas, Louisiana and Oklahoma. The company is headquartered in Houston, TX.

Unocal Corp. explores, develops, produces, and markets crude oil and natural gas. The firm also produces geothermal energy in Indonesia and the Philippines and makes petroleum coke, graphite's and silicon carbide materials. The company was founded on October 17, 1890 and is headquartered in El Segundo, CA.

Zone Oil & Gas LLC is an American gas company that operates in an unspecified location. The company was founded by Kathleen A. Hogenson and she has been the CEO since incorporation.

Esenjay Exploration, Inc. explores and develops natural gas and oil properties. The firm offers natural gas and oil exploration projects with 3-D seismic and other computer-aided exploration tools. Esenjay Exploration explores oil properties along the Texas and Louisiana Gulf Coast. The company is headquartered in Houston, TX.

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.

Cimarex Energy Co. is an independent oil and gas exploration and production company. Its activities include drilling, completing and operating wells. It operates through the following areas: Permian Basin, Mid-Continent, and Others in Oklahoma, Texas and New Mexico. The company was founded by F. H. Merelli in February 2002 and is headquartered in Denver, CO.

Young Presidents'' Organization (Canada) operates as a non-profit organization. It helps young chief executives to engage, learn, and grow. The company was founded on February 13, 2011 and is headquartered in Toronto, Canada.