Vinnie G. Rigatti

Questar Market Resources, Inc. explores and develops oil and natural gas resource properties.The company through its subsidiaries, primarily engages in the acquisition, exploration, development, and production of oil, natural gas, and natural gas liquids in the Rocky Mountain and Mid-continent regions of the United States. It sells natural gas to various customers, including gas-marketing firms, industrial users, and local-distribution centers. Questar Market Resources is headquartered in Salt Lake City, UT.

QEP Resources, Inc. engages in the exploration and production of oil and natural gas properties. It focuses in the Northern Region primarily in North Dakota, Wyoming and Utah, and the Southern Region primarily in Texas and Louisiana geographical regions. The company was founded in 1922 and is headquartered in Denver, CO.