| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R C Henderson Jr | Oil Operator | Jun 1990 | |
| 2 | R C Operating LLC | El Dorado, AR 71730 | Oil Operator | Jan 2024 |
| 3 | Rabb Contracting Company, L.L.C. | Oil Operator | Dec 2023 | |
| 4 | Rabun Resources | Gas Operator | Jan 2024 | |
| 5 | Ransom Horne,Jr. | Oil & Gas Operator | Dec 1991 | |
| 6 | Ray Energy, LLC | Oil Operator | Jan 2024 | |
| 7 | Refined Products, Inc. | Beaumont, TX 77705 | Oil Operator | Apr 2024 |
| 8 | Reliance Petroleum Corporation | Oil & Gas Operator | Oct 2018 | |
| 9 | Reliance Trusts | Dallas, TX 75244 | Oil & Gas Operator | Nov 1995 |
| 10 | RLS Partnership | Oil Operator | Apr 1983 | |
| 11 | Robert E McDowell | Oil Operator | Dec 1998 | |
| 12 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 13 | Russell A. Flowers | Oil Operator | May 1995 | |
| 14 | Ryca Energy Partners LLC | Oil Operator | Dec 2023 | |
| 15 | Ryca Energy, LLC | Oil & Gas Operator | Mar 2015 |