| 1 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 2 | Samurai Operating Company | Dayton, TX 77535 | Oil & Gas Operator | Dec 2021 |
| 3 | Schempf George K | North Ridgevill, OH 44039 | Oil Operator | Dec 2023 |
| 4 | Schmelzer Maurice | Bremen, OH 43107 | Oil & Gas Operator | Dec 2023 |
| 5 | Schrimsher Oil & Gas Expl | Orlando, FL 32803 | Oil & Gas Operator | Dec 1992 |
| 6 | Schwanco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1987 |
| 7 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 8 | Scrimgeour Robert | Sterling, VA 22170 | Oil & Gas Operator | Dec 1991 |
| 9 | Seagull Development Corp | Massillon, OH 44646-7436-7436 | Oil & Gas Operator | Dec 2015 |
| 10 | Seven To One Oil & Gas LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2022 |
| 11 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 12 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Jan 2024 |
| 13 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 14 | Smail Denny Lee | Gretna, LA 70056 | Oil & Gas Operator | Dec 2023 |
| 15 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2023 |
| 16 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 17 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2022 |
| 18 | Stocker & Sitler Inc | Columbus, OH 43214-0981-0981 | Oil & Gas Operator | Dec 2002 |
| 19 | Stonebridge Operating Co LLC | Marietta, OH 45750-0060-0060 | Oil & Gas Operator | Dec 2022 |
| 20 | Sutton Enterprises Inc | New Philadelphi, OH 44663-863-863 | Oil & Gas Operator | Dec 1996 |
| 21 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2022 |