| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Delta Exploration Company Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
| 2 | Devon Energy Operating Co., L.P. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2009 |
| 3 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
| 4 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 5 | Dinero Oil Corporation | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Nov 1999 |
| 6 | Dirnett, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Dec 2024 |