| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & B Operating LLC | Oil Operator | Jan 2023 | |
| 2 | D-Pex Operating Company | Oil & Gas Operator | Sep 2004 | |
| 3 | Daco, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Apr 2024 |
| 4 | Dorchester Resources LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2021 |