| 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 | May 2024 |
| 4 | Daniel-Price Exploration Co | Tulsa, OK 74119 | Gas Operator | Apr 2011 |
| 5 | Davis, Joe D. | Fort Smith, AR 72903 | Gas Operator | Mar 2015 |
| 6 | Deka Exploration Inc | Oklahoma City, OK 73113-0057 | Oil & Gas Operator | Nov 2019 |
| 7 | Dexxon, Inc. | Kiefer, OK 74041 | Oil & Gas Operator | Jan 2024 |
| 8 | Dyne Exploration Company | Plano, TX 75093-6512 | Oil & Gas Operator | Apr 2020 |