| 1 | S & R Oil Company | Electra, TX 76360 | Oil & Gas Operator | Apr 1993 |
| 2 | S & S Energy Corp | Henderson, NV 89052 | Oil & Gas Operator | Dec 2016 |
| 3 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Aug 2025 |
| 4 | S S S Energy Co | Stow, OH 44224 | Oil & Gas Operator | Dec 1989 |
| 5 | Sabre Energy Corporation | Lore City,, OH 43755 | Oil & Gas Operator | Dec 2017 |
| 6 | Sage Energy Inc | Dublin, OH 43017 | Oil & Gas Operator | Dec 1988 |
| 7 | Salt Creek JT Venture | Pittsburgh, PA 15219-2702 | Oil & Gas Operator | Dec 1986 |
| 8 | Samples James F | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2021 |
| 9 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 10 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 11 | Sandy Supply Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2014 |
| 12 | Sanor Bruce | Salem, OH 44460 | Oil & Gas Operator | Dec 2024 |
| 13 | Sara Jenny Energy Inc | Chesterland, OH 44026 | Oil & Gas Operator | Dec 2024 |
| 14 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2024 |
| 15 | Savoy Energy LP | Traverse City, MI 49685-1560 | Oil & Gas Operator | May 2025 |
| 16 | Scandia Energy Co Inc | Traverse City, MI 49684 | Oil & Gas Operator | Dec 1993 |
| 17 | Schmelzer Mark | Rushville, OH 43150 | Oil & Gas Operator | Dec 2007 |
| 18 | Schmelzer Maurice | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 19 | Schmelzer Plugging LLC | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 20 | Schreiner Oil & Gas Inc | Prescott, AZ 86303 | Oil & Gas Operator | Dec 2023 |
| 21 | Schrimsher Oil & Gas Expl | Orlando, FL 32803 | Oil & Gas Operator | Dec 1992 |
| 22 | Schultheis Oil & Gas | Whipple, OH 45780 | Oil & Gas Operator | Dec 2023 |
| 23 | Schwanco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1987 |
| 24 | Schweder Richard E | Lakeville, OH 44638 | Oil & Gas Operator | Dec 2009 |
| 25 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 26 | Scrimgeour Robert | Sterling, VA 22170 | Oil & Gas Operator | Dec 1991 |
| 27 | Seagull Development Corp | Massillon, OH 44646-7436 | Oil & Gas Operator | Dec 2015 |
| 28 | Seibert Darrel L/Chestnut | Cuyahoga Falls, OH 44224 | Oil & Gas Operator | Dec 1994 |
| 29 | Seibert Oil & Gas | Hudson, OH 44236-4430 | Oil & Gas Operator | Dec 1999 |
| 30 | Seifert Companies LTD | Bremen, OH 43107 | Oil & Gas Operator | Dec 2023 |
| 31 | Select Energy Investments Inc | Solon, OH 44139 | Oil & Gas Operator | Dec 2019 |
| 32 | Seneca Energy Corporation | Dover, OH 44622 | Oil & Gas Operator | Dec 2020 |
| 33 | Seven To One Oil & Gas LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2024 |
| 34 | Shackelford Oil Co | Midland, TX 79707 | Oil & Gas Operator | Jun 2025 |
| 35 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 36 | Shafer David Oil Prod Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 37 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Jun 2025 |
| 38 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 39 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 40 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 41 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 42 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 43 | Simpson B T Jr | Orlando, FL 32806 | Oil & Gas Operator | Dec 1986 |
| 44 | Skyliner Energy LLC | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 45 | Skyway Energy LLC | Leesburg, OH 34748 | Oil & Gas Operator | Dec 2020 |
| 46 | Smail Denny Lee | Harvey, LA 70058 | Oil & Gas Operator | Dec 2024 |
| 47 | Smith C/Dba Sandy Supply | North FT Myers, FL 33903 | Oil & Gas Operator | Dec 1988 |
| 48 | Smith Management Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1992 |
| 49 | Smith Ronald Dba Chipco | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 50 | Smith T W | Jeromesville, OH 44840 | Oil Operator | Dec 2016 |
| 51 | Smithberger John D | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 52 | Smucker Ronald O | Somerset, OH 43783 | Oil & Gas Operator | Dec 2003 |
| 53 | Snider Brothers | Gratiot, OH 43740 | Oil & Gas Operator | Dec 2015 |
| 54 | Snider Russell E | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 55 | Snyder Oper Partnership | FT Worth, TX 76102 | Gas Operator | Dec 1988 |
| 56 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Mar 2025 |
| 57 | Sours Thomas J | Sharon Center, OH 44274 | Oil & Gas Operator | Dec 2022 |
| 58 | South Shore Energy LLC | Geneva, OH 44041 | Oil & Gas Operator | Dec 2024 |
| 59 | Southern Triangle Oil Co | MT Carmel, IL 62863 | Oil & Gas Operator | Dec 2023 |
| 60 | Sowers William & Sara | Blue Rock, OH 43720 | Oil Operator | Dec 2022 |
| 61 | Sparks Harold | Radnor, OH 43066 | Oil & Gas Operator | Dec 1987 |
| 62 | Sparta Energy Corp | Oak Brook, IL 60521 | Oil & Gas Operator | Dec 1985 |
| 63 | Spectrum Oil Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 64 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 65 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 66 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 67 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 68 | Springer Energy Company, LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2024 |
| 69 | St Croix LTD | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2022 |
| 70 | St. Clair Oil Co. | St Clairsville, OH 43950 | Oil & Gas Operator | Dec 1997 |
| 71 | Stach Enterprises LLC | Nashport, OH 43830 | Oil & Gas Operator | Dec 2021 |
| 72 | Stachler William L | Danville, OH 43014 | Oil & Gas Operator | Dec 1989 |
| 73 | Stackhouse Construction Inc | Orwell, OH 44076 | Oil & Gas Operator | Dec 2024 |
| 74 | Standard Oil Co Of WV | Walton, WV 25286 | Oil & Gas Operator | Dec 2023 |
| 75 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2024 |
| 76 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 77 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Aug 2025 |
| 78 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2023 |
| 79 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 80 | Stephen J Svetlak LLC | Canton, OH 44718 | Oil & Gas Operator | Dec 2024 |
| 81 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 82 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 83 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 84 | Stocker & Sitler Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 2002 |
| 85 | Stocker Sand & Gravel Co | Gnadenhutten, OH 44629 | Oil & Gas Operator | Dec 2024 |
| 86 | Stone Creek Brick Co | Stone Creek, OH 43840 | Oil & Gas Operator | Dec 2004 |
| 87 | Stonebridge Operating Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 88 | Stonewall Gas Co | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 1999 |
| 89 | Strata Petroleum Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2019 |
| 90 | Strickler Emory | New Concord, OH 43762 | Oil & Gas Operator | Dec 2013 |
| 91 | Stright Roger | Amesville, OH 45711 | Oil & Gas Operator | Dec 2016 |
| 92 | Striker Robert E | Rogers, OH 44455 | Oil & Gas Operator | Dec 2024 |
| 93 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 94 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2024 |
| 95 | Sunbury-Trenton Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1988 |
| 96 | Sunny Shores Of Ohio Inc | Fountain Hills, AZ 85268 | Oil & Gas Operator | Dec 2008 |
| 97 | Sutton Enterprises Inc | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 98 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 99 | SWN Production (Ohio), LLC | Morgantown, WV 26508 | Oil & Gas Operator | Mar 2024 |
| 100 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Jun 2025 |