| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & B Operating LLC | Oil Operator | Jan 2023 | |
| 2 | D & J Oil Co | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 3 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 4 | Diamond S Gathering Co | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1997 |
| 5 | Douglas Investments Inc | Saginaw, TX 76179-0148 | Oil Operator | Jan 2020 |
| 6 | Drumright Well Service Inc | Oilton, OK 74052-0190 | Oil & Gas Operator | Jan 2024 |