| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
| 2 | Ramco Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2012 |
| 3 | Red Hawk Disposal LLC | Oil Operator | Jun 2023 | |
| 4 | Replay Resources LLC | Oil Operator | Nov 2022 | |
| 5 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 6 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 7 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |