EXHIBIT 21 SUBSIDIARIES OF COMSTOCK RESOURCES, INC. Name State of Business Name Incorporation - -------------------------------------- --------------- ------------------------------------ Comstock Oil & Gas, Inc. Nevada Comstock Oil & Gas, Inc. Comstock Oil & Gas - Louisiana, Inc.(1) Nevada Comstock Oil & Gas - Louisiana, Inc. Comstock Management Corporation Nevada Comstock Management Corporation Comstock Offshore, LLC (2) Nevada Comstock Offshore, LLC <FN> (1) Subsidiary of Comstock Oil & Gas, Inc. (2) Subsidiary of Comstock Oil & Gas - Louisiana, Inc. </FN> E-59