| 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 & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 3 | Red Hawk Disposal LLC | Oil Operator | Jun 2023 | |
| 4 | Red River Petroleum Inc | Tipton, OK 73570-0351 | Oil Operator | Feb 2024 |
| 5 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | Apr 2024 |
| 6 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 7 | Ronco Energy Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Apr 2015 |
| 8 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |