The senior unsecured debt rating on Questar Gas Co. is 'A-'. The outlook is stable. Questar Gas is a wholly owned subsidiary of Utah-based Questar Corp. (--/A-2/Stable). Standard&Poor's views Questar's rating, and those of its rated subsidiaries Questar Market Resources Inc. (QMR), Questar Pipeline Co., and Questar Gas on a consolidated basis. Questar Gas's ratings are supported by its strong business risk profile and intermediate financial profile. Questar Corp. is a natural gas-focused company that acquires, explores for, develops, produces, gathers, processes, and markets oil, gas, and hydrocarbon liquids through its QMR subsidiary. The company also provides retail gas distribution through its regulated subsidiary, Questar Gas, and conducts interstate gas transportation and storage activities through its regulated subsidiary,
