Oil & Gas Companies in Guernsey County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 2 | R E Gas Development LLC | State College, PA 16801 | Oil & Gas Operator | Sep 2018 |
| 3 | Randell Oil Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 4 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 5 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jun 2025 |
| 6 | Redco, Inc. | Columbus, OH 43229 | Oil & Gas Operator | Dec 1998 |
| 7 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 8 | RHDK Oil & Gas LLC/Dba Red Hill | Dover, OH 44622-9801 | Oil & Gas Operator | Dec 2024 |
| 9 | RMB Corporation | Senecaville, OH 43780 | Oil & Gas Operator | Dec 2016 |
| 10 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 11 | Roscoe Gas & Oil Co | Dover, OH 44622 | Oil & Gas Operator | Dec 1991 |
| 12 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 13 | RPJ Fund Management Inc | St. Paul, MN 55101 | Oil & Gas Operator | Dec 1991 |
| 14 | RSC Energy Corp | Brooklyn HTS, OH 44109 | Oil & Gas Operator | Dec 1984 |
Production numbers shown above are only for Guernsey County, OH and for the production period listed.