| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Dawson Resources Inc | Franktown, CO 80116 | Oil & Gas Operator | Mar 2015 |
| 2 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Jan 2024 |
| 3 | Dominion Oklahoma Texas Expl & Prod Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2013 |
| 4 | Dover Atwood Corporation | Massillon, OH 44646 | Oil & Gas Operator | Dec 2023 |