EXHIBIT 21

                      SUBSIDIARY INFORMATION

     Registrant Questar Market Resources, Inc., has the following
subsidiaries:  Wexpro Company, Questar Exploration and Production
Company, Questar Energy Trading Company, and Questar Gas Management
Company.  Questar Exploration and Production is a Texas corporation.
 The other listed companies are incorporated in Utah.

     Questar Exploration and Production has a wholly owned
subsidiary, Celsius Energy Resources, Ltd., which is an Alberta
corporation.  Celsius, Ltd., in turn, has a subsidiary, Canor Energy
Ltd., which is also an Alberta corporation.

     Questar Exploration and Production has one domestic active
subsidiary:  Questar URC Company, which is a Delaware corporation.
Questar Exploration and Production also does business under the
names Universal Resources Corporation, Questar Energy Company and
URC Corporation.

     Questar Energy Trading Company has one active subsidiary, URC
Canyon Creek Compression Company, which is a Utah corporation.