George S. Dotson

Atwood Oceanics, Inc. was a global offshore drilling contractor, which was engaged in the drilling and completion of exploratory and developmental oil and gas wells. It was own mobile offshore drilling units and is constructing drill-ships, and jack-ups. The company was headquartered in Houston, TX.

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

Helmerich & Payne International Drilling Co. drills oil and gas wells. It operates as a contract drilling company, owns land rigs, platform rigs located in the Gulf of Mexico and other International rigs. The company was founded in 1967 and is headquartered in Tulsa, OK.

EdgeMarc Energy Holdings LLC engages in the exploration and production of oil and gas. It produces hydrocarbons, organic shales, and dry and wet gases. The company was founded in 2012 and is headquartered in Canonsburg, PA.