Daniel E. Cole

Denbury Inc. is an independent energy company, which engages in the operation and production of oil and natural gas reserves. The firm holds interests in the Gulf Coast and Rocky Mountain regions. It aims to develop significant stranded reserves of American oil from depleted reservoirs through carbon dioxide enhanced oil recovery (CO2 EOR). The company was founded by Gareth G. Roberts in 1951 and is headquartered in Plano, TX.

EOTT Energy Operating LP explores and distributes crude oil. The private company is based in Houston, TX.

Part of Plains All American Pipeline LP, Plains Marketing LP is a publicly traded master limited partnership that owns and operates midstream energy infrastructure and provides logistics services for crude oil, natural gas liquids, and natural gas. The company is based in Houston, TX. The company owns an extensive network of pipeline transportation, terminalling, storage, and gathering assets in key crude oil and NGL producing basins and transportation corridors and at major market hubs.

Texas Oil & Gas Association engages in operation of a statewide trade association representing the Texas oil and gas industry. It provides crude oil and natural gas. The company was founded in 1919 and is headquartered in Austin, TX.

Part of Exxon Mobil Corp., Encore Energy Partners GP LLC is a company based in Dallas, TX. Scott W. Smith has been the CEO of the company since 2010.