| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & D Enterprises | Post, TX 79356 | Oil & Gas Operator | Dec 2025 |
| 2 | Das Oil Co. L.L.C. | Post, TX 79356 | Oil Operator | Dec 2025 |
| 3 | Devon Energy Production Company, L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2025 |
| 4 | Dry Fork Production Co., LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 5 | Dunigan Operating Company, Inc. | Austin, TX 78755 | Oil & Gas Operator | Dec 2025 |