| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & J Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 2 | D B Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2000 |
| 3 | Deb Oil & Gas Inc | Tulsa, OK 74136 | Oil & Gas Operator | May 2013 |
| 4 | Dixie Oil Company Inc | Moore, OK 73153 | Oil & Gas Operator | Nov 1994 |
| 5 | Douglas Investments Inc | Fort Worth, TX 76137 | Oil Operator | Jan 2020 |
| 6 | Drumright Well Service Inc | Oilton, OK 74052 | Oil & Gas Operator | Oct 2025 |