| 1 | Action Petroleum Inc | Atwater, OH 44201 | Oil & Gas Operator | Dec 1986 |
| 2 | Aegean Oil & Gas Inc | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1993 |
| 3 | Alliance Petroleum Corporation | Canton, OH 44718-2553 | Oil & Gas Operator | Dec 2019 |
| 4 | Allied Oil Field Services LTD | Willoughby, OH 44094 | Oil & Gas Operator | Dec 2021 |
| 5 | Alsid Oil & Gas | Hanoverton,, OH 44423 | Oil & Gas Operator | Dec 2003 |
| 6 | Altos Petroleum Serv Inc | Bristolville, OH 44402 | Oil & Gas Operator | Dec 1992 |
| 7 | Amer Energy Develop Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 1989 |
| 8 | American Energy Associates Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 2024 |
| 9 | Annarock Petroleum LLC | Winter Garden, FL 34787 | Oil & Gas Operator | Dec 2024 |
| 10 | Appalachian Expl Inc | Hartville, OH 44632 | Oil & Gas Operator | Dec 1989 |
| 11 | Asset Resources Inc | Mentor, OH 44060 | Oil & Gas Operator | Dec 2010 |
| 12 | Atlas Energy Group Inc | Uniontown, OH 44685-9575 | Oil & Gas Operator | Dec 2011 |
| 13 | Atwood Energy Inc | Port Washington, OH 43837-9214 | Oil & Gas Operator | Dec 1993 |
| 14 | Atwood Resources Inc | Houston, TX 72151 | Oil & Gas Operator | Dec 1993 |
| 15 | Autumn Ridge Enterprises LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2017 |
| 16 | Aw Tipka Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
| 17 | B & B Oilfield Services Inc | Windham, OH 44288 | Oil & Gas Operator | Dec 2024 |
| 18 | B & K Drilling Co | Warren, OH 44481 | Oil & Gas Operator | Dec 1994 |
| 19 | Baay Oil LLC | Akron, OH 44333 | Oil & Gas Operator | Dec 2024 |
| 20 | Baird Bros Sawmill Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2012 |
| 21 | Bancequity Petroleum Corporation | Macedonia, OH 44056 | Oil & Gas Operator | Dec 2024 |
| 22 | Bass Energy Co Inc | Richfield, OH 44286 | Oil & Gas Operator | Dec 2024 |
| 23 | Beck Energy Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 24 | Belden & Blake Corporation | North Canton, OH 44720 | Oil & Gas Operator | Dec 2016 |
| 25 | Belvoir Energy Inc. | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2017 |
| 26 | Big Sky Energy Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 27 | Bocor Holdings LLC | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 28 | Bossow Oil MGMT Inc | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 1997 |
| 29 | Bottom Line Prod Inc | Cleveland, OH 44106 | Oil & Gas Operator | Dec 1990 |
| 30 | Bralko Energy Inc | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1987 |
| 31 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 32 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 33 | Buckeye Oil Producing Co. | Wooster, OH 44691-129 | Oil & Gas Operator | Dec 2024 |
| 34 | Busted Knuckle Oil & Gas LLC | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 35 | C & D Oil & Gas LLC | Dorset, OH 44032 | Oil & Gas Operator | Dec 2024 |
| 36 | C T R Resources Inc | Alliance, OH 44601 | Oil & Gas Operator | Dec 2013 |
| 37 | Callander & Kimbrel Inc | Cerluean, KY 42215 | Oil & Gas Operator | Dec 1989 |
| 38 | Cambrian Hunter Inc | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 39 | Carey Resources Inc | Great Neck, NY 11023 | Oil & Gas Operator | Dec 1988 |
| 40 | Carter Resources | Kilgore, TX 75663 | Oil & Gas Operator | Jan 2005 |
| 41 | Cedar Valley Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 42 | Cgas Exploration | Charleston, WV 25301 | Oil & Gas Operator | Dec 2006 |
| 43 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2025 |
| 44 | Citation Energy Company | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 45 | Clarence K Tussel Jr LTD | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 46 | Clinton Gas Marketing Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 47 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 48 | Corner Operating Company, Inc | New York, NY 10165 | Oil & Gas Operator | Dec 1999 |
| 49 | Crissinger Robert A Inc | Strongsville, OH 44136 | Oil & Gas Operator | Dec 2003 |
| 50 | Cutter Oil Company | West Salem, OH 44287 | Oil & Gas Operator | Dec 2018 |
| 51 | D & L Energy Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2016 |
| 52 | Dart Oil Company | Parker, CO 80134 | Oil & Gas Operator | Dec 2024 |
| 53 | David A Waldron & Assoc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2016 |
| 54 | David R Hill Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2024 |
| 55 | Dci Petroleum Inc | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2017 |
| 56 | Dennis Oil & Gas LLC | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 57 | Devore Anthony D | Gambier, OH 43022 | Oil & Gas Operator | Dec 2010 |
| 58 | Diamond Shamrock Chem Co | Irving, TX 75061 | Oil & Gas Operator | Dec 1990 |
| 59 | Dietrich Philip H | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 60 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Dec 2025 |
| 61 | Dome Drilling Co | Westlake, OH 44145-1964 | Oil & Gas Operator | Dec 2009 |
| 62 | Dome Producing | Cleveland, OH 44114 | Oil & Gas Operator | Dec 1988 |
| 63 | Dominion East Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2023 |
| 64 | Dry Hole Producing LLC | Poland, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 65 | Dry Hole Producing LP | Poland, OH 44514-3631 | Oil & Gas Operator | Dec 2019 |
| 66 | Duck Creek Energy Inc | Brecksville, OH 44141 | Oil & Gas Operator | Dec 2024 |
| 67 | Eastern Amer Energy Corp | Charleston, WV 25304 | Oil & Gas Operator | Dec 2006 |
| 68 | Eastern Petroleum Company | Girard, OH 44420 | Oil & Gas Operator | Sep 1995 |
| 69 | Eastern States Oil & Gas, Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2020 |
| 70 | Edco Drilling & Producing | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2006 |
| 71 | Energy Exploration & Development | Cortland, OH 44410 | Oil & Gas Operator | Dec 2024 |
| 72 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 73 | Envirogas Inc | Hamburg, NY 14075 | Oil & Gas Operator | Dec 1992 |
| 74 | Eos Energy LLC | Columbus, OH 43026 | Oil & Gas Operator | Dec 2024 |
| 75 | EP Operating Co. | Dallas, TX 75201 | Oil & Gas Operator | Jan 1993 |
| 76 | Equity Oil & Gas Funds Inc | Orlando, FL 32837-6103 | Oil & Gas Operator | Dec 2024 |
| 77 | Eric Petroleum Corp | Austintown, OH 44515-1053 | Oil & Gas Operator | Dec 2024 |
| 78 | Everflow Eastern Partners LP | Canfield, OH 44406 | Oil & Gas Operator | Dec 2024 |
| 79 | Excalibur Exploration Inc | Greentown, OH 44630 | Oil & Gas Operator | Dec 2020 |
| 80 | Exco - North Coast Energy Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2018 |
| 81 | Exploration Energy Inc | Cortland, OH 44410 | Oil & Gas Operator | Dec 2009 |
| 82 | Fortune Gas & Oil | Shreveport, LA 71118-3457 | Oil & Gas Operator | Dec 2002 |
| 83 | Fremont Energy Inc | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2019 |
| 84 | Frost R Z & Assoc Inc | Chauncey, OH 45719 | Oil & Gas Operator | Dec 1988 |
| 85 | Gas Acquisition Co LTD | Akron, OH 44308 | Oil & Gas Operator | Dec 2017 |
| 86 | Gasearch Inc | Girard, OH 44420 | Oil & Gas Operator | Dec 1985 |
| 87 | Ge Consumer & Industrial | Louisville, KY 40225 | Oil & Gas Operator | Dec 2006 |
| 88 | Geopetro LLC | Worthington, OH 43085-2316 | Oil & Gas Operator | Sep 2025 |
| 89 | Giant Petroleum Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 1990 |
| 90 | GM/Delphi Packard Elec. | Warren, OH 44486 | Oil & Gas Operator | Dec 1995 |
| 91 | Green Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 92 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 93 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 94 | H & S Drilling Co Inc | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2016 |
| 95 | Hall & Horning Serv Inc | Atwater, OH 44201-9375 | Oil & Gas Operator | Dec 2009 |
| 96 | Hall Energy Inc | Magnetic Spring, OH 43036 | Oil & Gas Operator | Dec 2017 |
| 97 | Hall IVan & Assoc Inc | Berea, OH 44017 | Oil & Gas Operator | Dec 1997 |
| 98 | Hill William F | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1993 |
| 99 | HLH Drilling Inc | Andover, OH 44003 | Oil & Gas Operator | Dec 1985 |
| 100 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |