Oil & Gas Companies in Washington County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 2 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 3 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2024 |
| 4 | Schultheis Oil & Gas | Whipple, OH 45780 | Oil & Gas Operator | Dec 2023 |
| 5 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 6 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 7 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 8 | Smith Management Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1992 |
| 9 | Smithberger John D | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 10 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2023 |
| 11 | Spectrum Oil Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 12 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 13 | Standard Oil Co Of WV | Walton, WV 25286 | Oil & Gas Operator | Dec 2024 |
| 14 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Nov 2025 |
| 15 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 16 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 17 | Stright Roger | Amesville, OH 45711 | Oil & Gas Operator | Dec 2016 |
| 18 | Sunny Shores Of Ohio Inc | Fountain Hills, AZ 85268 | Oil & Gas Operator | Dec 2008 |
| 19 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 20 | SWN Production (Ohio), LLC | Morgantown, WV 26508 | Oil & Gas Operator | Mar 2024 |
| 21 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Aug 2025 |
Production numbers shown above are only for Washington County, OH and for the production period listed.