| 101 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 102 | Church, Steve | Philpot, KY 42366 | Oil & Gas Operator | Dec 2022 |
| 103 | Classic Oil & Gas Resources Inc | | Gas Operator | Dec 2008 |
| 104 | Clean Gas, Inc | Hindman, KY 41822 | Oil & Gas Operator | Dec 2023 |
| 105 | Clendening, John A | | Oil Operator | Dec 2021 |
| 106 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Apr 2026 |
| 107 | Cobb, E M | Henderson, KY 42420 | Oil Operator | Dec 2019 |
| 108 | Cobb, Maurice W | | Oil Operator | Dec 2024 |
| 109 | Cobb, Maurice W Dba M W C Oil Co | Eddyville, KY 42038 | Oil Operator | Dec 2019 |
| 110 | Cobra Petroleum Production Corp | | Oil & Gas Operator | Dec 2018 |
| 111 | Coffman Oil & Real Estate Inc | Newport Beach, CA 92661 | Oil Operator | Dec 2024 |
| 112 | Colonial Corporation | St Simons Island, GA 31522 | Oil & Gas Operator | Dec 2000 |
| 113 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 114 | Combs, Steven H | Corydon, KY 42406 | Oil Operator | Dec 2023 |
| 115 | Commonwealth Resources, LLC | Fort Collins, CO 80524 | Oil Operator | Dec 2008 |
| 116 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
| 117 | Conley Oil, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2022 |
| 118 | Conner, E B Jr | | Oil & Gas Operator | Dec 2023 |
| 119 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Jul 2026 |
| 120 | Contrast Energy, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jul 2026 |
| 121 | Coomer, Mitchell | Columbia, KY 42728 | Oil Operator | Dec 2024 |
| 122 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 123 | Core Minerals Operating Co Inc | | Oil & Gas Operator | Dec 2024 |
| 124 | Cornerstone Minerals LTD | | Oil & Gas Operator | Dec 2009 |
| 125 | Countrymark Energy Resources L L C | MT Vernon, IN 47620 | Oil & Gas Operator | Dec 2024 |
| 126 | Cracker Oil & Gas Co | | Gas Operator | Dec 2013 |
| 127 | Crudewell Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2023 |
| 128 | Crystal Exploration Co | | Oil & Gas Operator | Dec 2009 |
| 129 | Cumberland Harlan Expl Corp | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2024 |
| 130 | Cumberland River Oil & Gas, Inc | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2024 |
| 131 | Cumberland Valley Resources, LLC | Louisville, KY 40204 | Oil & Gas Operator | Dec 2024 |
| 132 | Cut Through Hydrocarbon | Florence, KY 41042 | Gas Operator | Dec 2024 |
| 133 | D & D Oil & Gas LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2025 |
| 134 | D & G Natural Resources Inc | Somerset, KY 42502 | Oil & Gas Operator | Dec 2024 |
| 135 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 136 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 137 | Dara Operating Company, LLC | Electra, TX 76360 | Oil & Gas Operator | May 2026 |
| 138 | Deep Hole Oil LLC | Ashland, KY 41105 | Oil & Gas Operator | Dec 2020 |
| 139 | Del Energy, Inc | | Oil Operator | Dec 2014 |
| 140 | Delta Oil Corp | | Oil & Gas Operator | Dec 2005 |
| 141 | Delta Producers, Inc | Greenville, MS 38703 | Oil & Gas Operator | Dec 2023 |
| 142 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2025 |
| 143 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 144 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Jul 2026 |
| 145 | Diversified Southern Production LLC | | Oil & Gas Operator | Dec 2018 |
| 146 | DLJ Investments, LLC | Springboro, OH 45006 | Oil Operator | Dec 2023 |
| 147 | Dobbs Oil & Gas | | Oil Operator | Dec 2013 |
| 148 | Dominion Resources, Inc | Staffordsville, KY 41256 | Oil & Gas Operator | Dec 2024 |
| 149 | Dominiq Operating, Inc | Scurry, TX 75158 | Oil Operator | Dec 2023 |
| 150 | Dotson, Robert M | | Oil Operator | Dec 2020 |
| 151 | Double D Producers, Inc | Edmonton, KY 42129 | Oil Operator | Dec 2024 |
| 152 | Duncan Drilling Co. | Big Spring, TX 79721 | Oil & Gas Operator | Jul 2026 |
| 153 | Duncan, Gene L Dba Duncan Oil Co | Salem, IL 62881 | Oil Operator | Dec 2018 |
| 154 | Eagle Well Service, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2024 |
| 155 | Eana Resources | | Gas Operator | Dec 2024 |
| 156 | East Fork Energy Inc | | Oil Operator | Dec 2015 |
| 157 | East Fork Energy Partners Inc | Edmonton, KY 42129 | Oil Operator | Dec 2016 |
| 158 | East Fork Oil Corporation | | Oil Operator | Dec 2016 |
| 159 | Eastern Energy Corporation | Bowling Green, KY 42104 | Oil & Gas Operator | Dec 2014 |
| 160 | Eastern Ky Oil & Gas, Inc | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2024 |
| 161 | Eastern States Oil & Gas, Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2020 |
| 162 | Edgington, Jimmy C | MT Carmel, IL 62863 | Oil Operator | Dec 2021 |
| 163 | Elliott, W E & Elliott, W E Jr | Pikeville, KY 41502 | Gas Operator | Dec 2024 |
| 164 | Elliott, W E Et Al | Pikeville, KY 41502 | Gas Operator | Dec 2024 |
| 165 | Empire Oil & Gas Co. | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2017 |
| 166 | Encore Operating Kentucky LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 167 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Mar 2026 |
| 168 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2024 |
| 169 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 170 | Energy Enterprises, LLC | MT Vernon, IL 62864 | Oil Operator | Dec 2023 |
| 171 | Energy Resources LLC | Owensboro, KY 42301 | Oil Operator | May 2026 |
| 172 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 173 | Enpro, Inc | Winchester, KY 40391 | Oil & Gas Operator | Dec 2024 |
| 174 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Apr 2026 |
| 175 | Eureka Expl Co, Inc | | Oil Operator | Dec 2013 |
| 176 | Eureka Gas Co, Inc | Pikeville, KY 41502 | Gas Operator | Dec 2010 |
| 177 | Eureka Oil And Gas LLC | Columbus, OH 43230 | Oil Operator | Dec 2020 |
| 178 | Evan Energy Co, LC | | Gas Operator | Dec 2013 |
| 179 | Ewm Services, LLC | Morganfield, KY 42437 | Oil Operator | Dec 2024 |
| 180 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Apr 2026 |
| 181 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Jul 2026 |
| 182 | Exxo Resources Co | Dana, KY 41615 | Oil & Gas Operator | Dec 2024 |
| 183 | Farrar Oil Company | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2000 |
| 184 | Finley, Billy D | Burkesville, KY 42717 | Oil Operator | Dec 2020 |
| 185 | First South Energy Corp | Hartland, WI 53029 | Oil & Gas Operator | Dec 2014 |
| 186 | Flag DRLG Co, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2024 |
| 187 | Foggy Bottom Farms, LLC | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 188 | Forell Energy Company | Fullerton, CA 92838 | Oil Operator | Dec 2023 |
| 189 | Forexco, Inc. | Greensboro, NC 27438 | Oil & Gas Operator | Dec 2024 |
| 190 | Fossil Energy Inc | Austin, TX 78746 | Oil & Gas Operator | Jul 2026 |
| 191 | Fox Auto Sales Of Tennessee, Inc | | Oil Operator | Dec 2012 |
| 192 | Frank, Erwin | Bowling Green, KY 42101 | Oil Operator | Dec 2020 |
| 193 | Frazier Oil LLC | Salyersville, KY 41465 | Oil Operator | Dec 2020 |
| 194 | G & R Lumber Co, Inc | | Oil Operator | Dec 2015 |
| 195 | G & R Oil | Columbia, KY 42728 | Oil & Gas Operator | Dec 2019 |
| 196 | Gabbard, Charles | Manchester, KY 40962 | Gas Operator | Dec 2019 |
| 197 | Gallagher DRLG, Inc | | Oil Operator | Dec 2020 |
| 198 | Garmon, James E | Burkesville, KY 42717 | Oil Operator | Dec 2023 |
| 199 | Garner, Jason L | Byrdstown, TN 38549 | Oil Operator | Dec 2023 |
| 200 | Gas Acquisition Corp | | Oil & Gas Operator | Dec 2024 |