| 1 | R & T Oil Co | El Dorado, AR 71730 | Oil Operator | Feb 2009 |
| 2 | R C Operating LLC | El Dorado, AR 71730 | Oil Operator | Jan 2024 |
| 3 | R/T Production, LLC | El Dorado, AR 71730 | Oil & Gas Operator | Apr 2024 |
| 4 | Rabalais, F.W. Inc. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2023 |
| 5 | Ram Energy LLC | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2024 |
| 6 | Rampart Resources Company, LLC | | Gas Operator | Jan 2021 |
| 7 | Ranken Energy Corporation | Edmond, OK 73013 | Oil & Gas Operator | Sep 2024 |
| 8 | Rat Oil, LLC | Stephens, AR 71764 | Oil & Gas Operator | Jul 2024 |
| 9 | Reaves Operator | Stephens, AR 71764 | Oil Operator | Apr 2024 |
| 10 | Rebel Exploration Inc | | Gas Operator | Jul 2015 |
| 11 | Rebel Producing, LLC | Spearsville, LA 71277 | Oil & Gas Operator | May 2024 |
| 12 | Red Oak Operating, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jun 2024 |
| 13 | Revere Corporation | Fort Smith, AR 72902-0908 | Oil & Gas Operator | Feb 2015 |
| 14 | Reynolds Drilling Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Nov 2024 |
| 15 | Reynolds E & P, Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Nov 2024 |
| 16 | Reynolds Metals Company | | Gas Operator | Nov 2003 |
| 17 | Reynolds, Dan Company | Camden, AR 71701 | Oil Operator | Jul 2024 |
| 18 | Reynolds, J David Company | Camden, AR 71701 | Oil & Gas Operator | Jul 2024 |
| 19 | Richy Production, LLC | | Oil Operator | Apr 2022 |
| 20 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Sep 2024 |
| 21 | Rock Creek Energy, LLC | Fort Smith, AR 72901 | Gas Operator | Jun 2024 |
| 22 | Rogers, John Charles | Hot Springs VIllage, AR 71909 | Oil Operator | Jul 2024 |
| 23 | Rogers, Mike Drilling Co., Inc. | Magnolia, AR 71754 | Oil & Gas Operator | Sep 2002 |
| 24 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jun 2024 |
| 25 | Rush-Andrus Engineering | Royse City, TX 75189 | Oil & Gas Operator | Feb 2022 |
| 26 | Rusk County Well Service, Inc | Kilgore, TX 75662 | Gas Operator | May 2024 |