PrimeEnergy Corporation, an independent oil and natural gas company, through its subsidiaries, engages in acquiring, developing, and producing oil and natural gas properties in the United States. It also acquires producing oil and gas properties through joint ventures with industry partners; and provides contract services to third parties, including well-servicing support operations, site-preparation, and construction services for oil and gas drilling and reworking operations. The company operates approximately 1,500 active wells and owns non-operating interests in approximately 400 additional wells primarily in Oklahoma, Texas, and West Virginia. The company was founded in 1973 and is based in Houston, Texas.