| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Rains & Williams | Oil & Gas Operator | Nov 1995 | |
| 2 | Raymond Oil Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | Jun 2025 |
| 3 | Raymond Oil Comp | Oil & Gas Operator | Dec 1996 | |
| 4 | Recovery Resourc | Oil Operator | Dec 1986 | |
| 5 | Ressler Well Service, Inc. | Burrton, KS 67020 | Oil & Gas Operator | Jun 2025 |
| 6 | Rierson Energy, LLC | McPherson, KS 67460 | Oil & Gas Operator | Jun 2025 |