| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D.W.P. Production | Perryton, TX 79070 | Oil & Gas Operator | Nov 2020 |
| 2 | D10 Energy LLC | Stinnett, TX 79083 | Oil & Gas Operator | Oct 2025 |
| 3 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | May 2025 |
| 4 | DDD Exploration Inc | Amarillo, TX 79109 | Oil Operator | Oct 2025 |
| 5 | Discovery Operating Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 6 | Dunigan Operating Company, Inc. | Austin, TX 78755 | Oil & Gas Operator | Oct 2025 |