Questar Corporation operates as an integrated natural gas company in the United States. The company develops and produces natural gas from its properties located in the Rocky Mountain region, primarily in the Vermillion, Pinedale, Moxa Arch, and Uinta producing areas, as well as produces and sells crude oil; provides interstate natural gas-transportation and underground-storage services in Utah, Wyoming, and Colorado; and offers wellhead automation and measurement services for Rockies oil and gas producers. It owns and operates approximately 2,638 miles of interstate pipeline with total firm-capacity commitments of 4,973 Mdth per day transporting natural gas from Rocky Mountain producing areas to other pipeline systems, distribution systems, and other utility systems; and the Overthrust pipeline in southwestern Wyoming and the eastern segment of Southern Trails Pipeline, a 487-mile line that extends from the Blanco hub in the San Juan Basin to just inside the California state line near the Arizona border. The company also operates the White River Hub facilities that connect with six interstate-pipeline systems and a processing plant near Meeker, Colorado; the Clay Basin storage facility, an underground-storage reservoir in the Rocky Mountain region; and gathering lines and processing facilities near Price, Utah, which provide gas-processing services for third parties. The company also distributes natural gas as a public utility in Utah, southwestern Wyoming, and a small portion of southeastern Idaho serving 919,236 sales and transportation customers; and owns and operates distribution systems comprising 27,415 miles of street mains, service lines, and interconnecting pipelines, as well as has long-term franchises granted by communities and counties in its service area. Questar Corporation was founded in 1922 and is headquartered in Salt Lake City, Utah.