| 1 | S S & T Oil, LLC | Smackover, AR 71762 | Oil Operator | Jun 2024 |
| 2 | Saulsbury, Beverly | El Dorado, AR 71730 | Oil Operator | Jul 2024 |
| 3 | Saulsbury, John G | | Oil Operator | Apr 2023 |
| 4 | Saye Oil Company | | Oil Operator | Jul 2012 |
| 5 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2024 |
| 6 | Sewell Production, LLC | El Dorado, AR 71730 | Oil Operator | Jul 2024 |
| 7 | Sexton Oil Company | Camden, AR 71701 | Oil Operator | Apr 2024 |
| 8 | Shana Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 2002 |
| 9 | Shelton, Marty, Inc | Smackover, AR 71762 | Oil Operator | Apr 2024 |
| 10 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jul 2024 |
| 11 | Sinclair And Sinclair, LLC | El Dorado, AR 71730 | Oil & Gas Operator | Jun 2024 |
| 12 | Sinclair Operating Company, LLC | El Dorado, AR 71730 | Oil & Gas Operator | Mar 2024 |
| 13 | Sinclair, J D Production | | Oil Operator | May 2014 |
| 14 | Sklar Exploration Company LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2024 |
| 15 | Smackover Drilling Company Inc | Shreveport, LA 71104 | Oil & Gas Operator | Jul 2024 |
| 16 | Smackover Producing Co | | Oil & Gas Operator | Jun 2024 |
| 17 | Smi Operating Company, LLC | Strong, AR 71765 | Oil & Gas Operator | Jul 2024 |
| 18 | Smith Operating & Management Co. | Shreveport, LA 71161 | Oil & Gas Operator | Dec 2022 |
| 19 | Southern Oil LLC | Smackover, AR 71762 | Oil & Gas Operator | May 2022 |
| 20 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 21 | Story Oil And Gas Inc | Magnolia, AR 71753 | Oil & Gas Operator | Jul 2024 |