| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D-Mil Production Inc | Argyle, TX 76226 | Oil & Gas Operator | Jun 2025 |
| 2 | Daube Company The | Ardmore, OK 73401 | Oil & Gas Operator | Apr 2025 |
| 3 | Davco Productions Inc | Springer, OK 73458-8191 | Oil & Gas Operator | Jun 2021 |
| 4 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Feb 2025 |
| 5 | Dehart Company (The) | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2025 |
| 6 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Jun 2025 |
| 7 | Dunn Energy LLC | Skiatook, OK 74070-4046 | Oil Operator | Sep 2022 |
| 8 | Durango Energy Inc | Chickasha, OK 73023 | Oil Operator | Dec 1999 |