Robert Kelley

Lone Star Technologies, Inc. manufactures and markets steel tubular products. The company provides alloy and carbon welded oil tubular goods, including casing and production tubing which are used in the completion of production from oil and natural gas wells. Lone Star Technologies was founded in 1966 and is headquartered in Dallas, TX.

Noble Energy, Inc. operated as an exploration and production company. It engaged in the acquisition, exploration and development of crude oil and natural gas. The firm operated through the following geographical segments: United States, Eastern Mediterranean, West Africa, Other International and Midstream. The United States segment was consists of U.S. onshore and Gulf of Mexico. The Eastern Mediterranean segment was included Israel and Cyprus. The West Africa segment comprised of Equatorial Guinea, Cameroon, and Gabon. The Other International segment was composed of Newfoundland, Suriname, and other new ventures. The Midstream segment was owns, operates, develops, and acquires domestic midstream infrastructure assets with focus areas being the DJ and Delaware Basins. The company was founded by Lloyd Noble in 1932 and it was headquartered in Houston, TX.

Oklahoma Gas & Electric Co. generates, transmits, distributes, and sells electric energy in Oklahoma and western Arkansas. It owns and operates coal-fired, natural gas-fired, and wind-powered generating facilities. It provides energy management solutions to the firm's customers through the smart grid program. The company was founded on February 27, 1902 and is headquartered in Oklahoma City, OK.

Seitel, Inc. engages in the provision of seismic data and geophysical services. Its seismic data library includes both onshore and offshore three-dimensional and two-dimensional data and offshore multi-component data. The company was founded in 1982 and is headquartered in Houston, TX.

Smith International, Inc. provides premium products and services used for the drilling, completion and production phases of oil and natural gas development activities. It has three operating divisions, namely M-I SWACO, Smith Oilfield and Distribution. Company was founded in 1902 and is headquartered in Houston, TX.

Part of Chevron Corp., Samedan Oil Corp. is a private company that explores for and produces oil and gas. The company is based in Ardmore, OK.