| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2023 |
| 2 | Debord Oil Producers Inc | Oil Operator | Dec 2006 | |
| 3 | Devon Energy Production Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2015 |
| 4 | Diamond Oil & Gas LLC | Casper, WY 82604 | Oil & Gas Operator | Mar 2024 |
| 5 | DJ Resources Inc | Bowie, TX 76230 | Oil & Gas Operator | Nov 2017 |