| 1 | R & B Enterprises USA Inc | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 2 | R & E Enterprises | Paris, OH 44669 | Oil & Gas Operator | Dec 1995 |
| 3 | R & J Well Service LLC | Utica, OH 43080 | Oil & Gas Operator | Dec 2024 |
| 4 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2024 |
| 5 | R & W Energy | Rockwall, TX 75087 | Oil & Gas Operator | Dec 1985 |
| 6 | R C Poling Co Inc | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 7 | R E Gas Development LLC | State College, PA 16801 | Oil & Gas Operator | Sep 2018 |
| 8 | R H Penick Co LTD | Baltimore, OH 43105 | Oil & Gas Operator | Dec 2024 |
| 9 | R I G Drilling Inc | Fredericktown, OH 43019 | Oil & Gas Operator | Dec 1993 |
| 10 | R Wolfe Oil & Gas LLC | Athens, OH 45701 | Oil & Gas Operator | Dec 2024 |
| 11 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 12 | Rab Oil & Gas LLC | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 2024 |
| 13 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 14 | Ralph E Shorts Drilling | Polk, OH 44866 | Oil & Gas Operator | Dec 2024 |
| 15 | Ramah Oil Company LLC | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2007 |
| 16 | Randell Oil Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 17 | Range Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2000 |
| 18 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2025 |
| 19 | Ray Pander Trucking Inc | Bolivar, OH 44612 | Oil & Gas Operator | Dec 1998 |
| 20 | Red Bird Producing Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 21 | Red Man Oil, Co. | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 22 | Redco, Inc. | Columbus, OH 43229 | Oil & Gas Operator | Dec 1998 |
| 23 | Redman E C /Redman Oil Co | Columbus, OH 43229 | Oil & Gas Operator | Dec 2002 |
| 24 | Rednet Exploration LLC | Nashport, OH 43830 | Oil Operator | Dec 2024 |
| 25 | Reed Kenneth E | Burbank, OH 44214 | Oil & Gas Operator | Dec 1993 |
| 26 | Reinke Brad L | Chardon, OH 44024 | Oil & Gas Operator | Dec 2024 |
| 27 | Reliance Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 28 | Reliance Oil Corp | Charlottesville, VA 22906 | Oil & Gas Operator | Dec 1988 |
| 29 | Rennolds Resources LLC | West Farmington, OH 44491 | Oil & Gas Operator | Dec 2024 |
| 30 | Reno Oil & Gas LLC | Reno, OH 45773 | Oil & Gas Operator | Dec 2024 |
| 31 | Rent A Home Inc | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 32 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 33 | Resource America Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 2011 |
| 34 | Resource Production Inc | Bridgeport, CT 06604 | Oil & Gas Operator | Dec 1993 |
| 35 | Reusser Lynn & Herman | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 1991 |
| 36 | RHDK Oil & Gas LLC/Dba Red Hill | Dover, OH 44622-9801 | Oil & Gas Operator | Dec 2024 |
| 37 | Rhine Oil Co LLC | Dalton, OH 44618 | Oil & Gas Operator | Dec 1999 |
| 38 | Rice Drilling D LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Sep 2025 |
| 39 | Ridge Oil And Gas Inc | Zanesville, OH 43702-2534 | Oil & Gas Operator | Dec 2024 |
| 40 | Ridgeway Resources | Barberton, OH 44203 | Oil & Gas Operator | Dec 2012 |
| 41 | Ridgway Realty & Land Inc | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2019 |
| 42 | Rinard Petroleum LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 43 | River Gas Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 44 | River Valley Energy Inc | Little Hocking, OH 45742 | Oil & Gas Operator | Dec 2024 |
| 45 | Riverland Energy LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2024 |
| 46 | Riverside Petroleum & Prod. | Oxford, MS 38655 | Oil & Gas Operator | Dec 2023 |
| 47 | RMB Corporation | Senecaville, OH 43780 | Oil & Gas Operator | Dec 2016 |
| 48 | Rmi Company | Niles, OH 44446 | Oil & Gas Operator | Dec 1984 |
| 49 | Robert L Shapley Oil & Gas | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 50 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 51 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 52 | Rod Johnson Operations | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2015 |
| 53 | Roma Oil & Gas LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 54 | Roman Well Services Inc | Lakeville, OH 44638 | Oil & Gas Operator | Dec 2023 |
| 55 | Ronald A Gibson & Assoc Inc | Avon Lake, OH 44012 | Oil & Gas Operator | Dec 2024 |
| 56 | Roscoe Gas & Oil Co | Dover, OH 44622 | Oil & Gas Operator | Dec 1991 |
| 57 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 58 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 59 | Royalton Gas & Oil Co | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1990 |
| 60 | RPJ Fund Management Inc | St. Paul, MN 55101 | Oil & Gas Operator | Dec 1991 |
| 61 | RRKK LLC | Columbus, OH 43214-3072 | Oil Operator | Dec 2024 |
| 62 | RSC Energy Corp | Brooklyn HTS, OH 44109 | Oil & Gas Operator | Dec 1984 |
| 63 | Rubber City Oil & Gas LLC | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 64 | Ruffner Petroleum Corp | Akron, OH 44308 | Oil & Gas Operator | Dec 2000 |
| 65 | Russell E Snider LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |