Questar Corporation is the parent company and its principal subsidiaries are: Questar Gas Company, Wexpro Company and Questar Pipeline Company. With the exception of Wexpro, each files annual, quarterly, and current reports with the Securities and Exchange Commission (SEC).
Questar Gas Company (QGC) is a wholly owned subsidiary of Questar Corporation (Questar). Questar Gas distributes natural gas as a public utility in Utah, southwestern Wyoming and a small portion of southeastern Idaho.
Questar Pipeline Company (QPC) is a wholly owned subsidiary of Questar Corporation (Questar). Questar Pipeline is an interstate natural gas pipeline company that provides transportation and underground storage services in Utah, Wyoming and Colorado.
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