PrimeEnergy Resources Corporation, through its subsidiaries, engages in acquisition, development, and production of oil and natural gas properties in the United States. The company owns leasehold, mineral, and royalty interests in producing and non-producing oil and gas properties. 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.