| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Rains & Williams | Oil & Gas Operator | Nov 1995 | |
| 2 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2024 |
| 3 | Redland Resources, LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2024 |
| 4 | Renick Energy, L.C. | Cimarron, KS 67835 | Gas Operator | Apr 2016 |
| 5 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 6 | Ritchie Explorat | Oil & Gas Operator | Dec 1996 |