| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & D Expl Co-Mba Energy | Oil Operator | Nov 1985 | |
| 2 | Dale Exploration Company | Oil & Gas Operator | May 2004 | |
| 3 | David New Operating Co., Inc. | Oil & Gas Operator | Feb 1999 | |
| 4 | Day Town Operating, LLC | Oil Operator | Dec 2023 | |
| 5 | Dixie Operating Company | Spring, TX 77379 | Oil & Gas Operator | Dec 2002 |
| 6 | Dore-Dyn Production Co., Inc. | Oil & Gas Operator | Jul 1993 |