John W. Schanck

Ovintiv Exploration, Inc. was an oil and gas company, which was engaged in the exploration, development, and production of crude oil, natural gas, and natural gas liquids. The company was founded by Joe B. Foster in 1988 and was headquartered in Austin, 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.

EPiC Energy Resources, Inc. provides electrical automation services. It offers broad of spectrum of services include: natural gas measurement, automation, troubleshooting, site commissioning, and electrical industries. The company was founded on June 6, 1989 and is headquartered in Houston, TX.

Penn West Energy Trust is the largest conventional oil and natural gas producing income trust. It is the owner of the largest conventional oil and natural gas reserves in Canada and operates throughout the Western Canadian sedimentary basin with a focus on resource-play potential in the peace river oil sands of Northern Alberta, CO2 enhanced oil recovery in the Pembina, Swan Hills, Midale and Weyburn light oil pools, and coalbed methane producing assets. The trust has considerable interests in large light/medium oil pools, an extensive in situ oil sands project under early stages of development, and a large inventory of enhanced oil recovery opportunities. The Trust conducts a substantial capital program funded by retaining a proportion of cash flow.

Samson Resources Co. operates as an independent oil and natural gas company. It also engages in the exploration, development and production of oil and natural gas from properties located onshore in the United States. The company was founded on November 23, 1971 and is headquartered in Tulsa, OK.

Part of Chevron Corp., Spirit Energy 76 Development LP is a Mexican company that explores for, develops, produces, and markets crude oil and natural gas. The private company is located in Mexico. Spirit Energy 76 Development was acquired by Unocal Corp., part of Chevron Corp. from August 10, 2005 on July 29, 2003 for $252 million.

P2ES Holdings LLC develops software for the oil and gas industry. It offers software, data and services that improve operations in land, financial and production management, business intelligence and geo-business. Its software packages have been implemented by over 450 companies and their Tobin map data is relied on every day by thousands of exploration and production companies worldwide. The company was founded in 1928 and is headquartered in Denver, CO.