Lorne E. Phillips

Cameron International Corp. designs, manufactures, markets and services equipment used by the oil and gas industry and industrial manufacturing companies. It provides flow equipment products, systems and services to worldwide oil, gas and process industries. The company was founded by Harry Cameron and James Abercrombie in 1920 and is headquartered in Houston, TX.

Pioneer Energy Services LLC. engages in the provision of land-based drilling services and production services to oil and gas exploration and production companies. It operates through Drilling and Production Services segments. The Drilling Services segment offers drilling rig, crews, supplies, and most of the ancillary equipment needed to operate drilling rigs. The Production Services segment offers well servicing,wireline and coiled tubing services to producers primarily in Texas and the Mid-Continent and Rocky Mountain regions, as well as in North Dakota, Louisiana and Mississippi. The company was founded in 1968 and is headquartered in San Antonio, TX.

Pioneer Drilling Services Ltd. provides contract land drilling services to oil and gas exploration and production companies. It offers gas well drilling services. The firm serves the oil and gas industry. The company was founded in March 2008 and is headquartered in San Antonio, TX.

Pioneer Well Services LLC is a company that engages in drilling oil and gas wells. The company is based in San Antonio, TX. The CEO of the company is William Stacy Locke. Pioneer Well Services was acquired by Argonaut Private Equity LLC from Pioneer Natural Resources Co. on March 22, 2021.