----

| Subsidiary                                                                                          |                 Place of Incorporation |
|-----------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|
|                                                                                                |                                                                                                                   |
|           Adams Resources Exploration Corporation | Delaware                                                                                                               |
|           Kirbyville Marketing Co., Inc.          | Texas                                                                                                                  |
|           Service Transport Company               | Texas                                                                                                                  |
|           Bayou City Pipelines, Inc.              | Texas                                                                                                                  |
|           Ada Crude Oil Company                   | Texas                                                                                                                  |
|           Ada Mining Corporation                  | Texas                                                                                                                  |
|           Classic Coal Corporation                | Delaware                                                                                                               |
|           Plastics Universal Corporation          | Kentucky                                                                                                               |
|           CJC Leasing, Inc.                       | Kentucky                                                                                                               |
|           Buckley Mining Corporation              | Kentucky                                                                                                               |
|           Gulfmark Energy, Inc.                   | Texas                                                                                                                  |
|           Ada Resources, Inc.                     | Texas                                                                                                                  |
|           Adams Resources Marketing, Ltd.         | Texas                                                                                                                  |
|           Adams Resources Marketing GP, Inc.      | Texas                                                                                                                  |
|           Adams Resources Marketing II, Inc.      | Nevada                                                                                                                 |
|           Gulfmark Energy Marketing, Inc.         | Nevada                                                                                                                 |
|           Adams Resources UK Limited              | United Kingdom                                                                                                         |

----