| 101 | Caprock Drilling & Operating Co Inc | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 102 | Carson Assoc, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2013 |
| 103 | Carter Oil Co | | Oil & Gas Operator | Dec 2013 |
| 104 | Case Drilling Company | Philpot, KY 42366 | Oil Operator | Dec 2019 |
| 105 | Catalyst Energy Inc | Pittsburgh, PA 15218 | Oil & Gas Operator | Feb 2025 |
| 106 | Catron Oil Co | | Oil Operator | Dec 2023 |
| 107 | Central Energy Group, LLC | | Oil & Gas Operator | Dec 2020 |
| 108 | Central Hydrocarbons, LLC | | Oil Operator | Dec 2013 |
| 109 | Champ Oil Company | Hickory Creek, TX 75065 | Oil & Gas Operator | Dec 2020 |
| 110 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 111 | Cherry Oil & Gas, Inc | | Oil & Gas Operator | Dec 2023 |
| 112 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2025 |
| 113 | Church, Steve | Philpot, KY 42366 | Oil & Gas Operator | Dec 2022 |
| 114 | Classic Oil & Gas Resources Inc | | Gas Operator | Dec 2008 |
| 115 | Clean Gas, Inc | Hindman, KY 41822 | Oil & Gas Operator | Dec 2023 |
| 116 | Clendening, John A | | Oil Operator | Dec 2021 |
| 117 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Feb 2025 |
| 118 | Coark Dev, Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2023 |
| 119 | Cobb, E M | Henderson, KY 42420 | Oil Operator | Dec 2022 |
| 120 | Cobb, Maurice W | | Oil Operator | Dec 2023 |
| 121 | Cobb, Maurice W Dba M W C Oil Co | Eddyville, KY 42038 | Oil Operator | Dec 2022 |
| 122 | Cobra Petroleum Production Corp | | Oil & Gas Operator | Dec 2018 |
| 123 | Coffman Oil & Real Estate Inc | Newport Beach, CA 92661 | Oil Operator | Dec 2022 |
| 124 | Colonial Corporation | St Simons Island, GA 31522 | Oil & Gas Operator | Dec 2000 |
| 125 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 126 | Combs, Steven H | Corydon, KY 42406 | Oil Operator | Dec 2023 |
| 127 | Commonwealth Resources, LLC | Fort Collins, CO 80524 | Oil Operator | Dec 2008 |
| 128 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
| 129 | Conley Oil, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2022 |
| 130 | Conner, E B Jr | | Oil & Gas Operator | Dec 2023 |
| 131 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Apr 2025 |
| 132 | Contrast Energy, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2025 |
| 133 | Coomer, Mitchell | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 134 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2023 |
| 135 | Core Minerals Operating Co Inc | | Oil & Gas Operator | Dec 2023 |
| 136 | Cornerstone Minerals LTD | | Oil & Gas Operator | Dec 2009 |
| 137 | Countrymark Energy Resources, LLC | MT Vernon, IN 47620 | Oil & Gas Operator | Dec 2023 |
| 138 | Cracker Oil & Gas Co | | Gas Operator | Dec 2013 |
| 139 | Crudewell Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2023 |
| 140 | Crystal Expl Co, Inc | | Oil & Gas Operator | Dec 2009 |
| 141 | Cumberland Harlan Expl Corp | Barbourville, KY 40906 | Oil & Gas Operator | Dec 2023 |
| 142 | Cumberland River Oil & Gas, Inc | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2023 |
| 143 | Cumberland Valley Resources, LLC | Louisville, KY 40204 | Oil & Gas Operator | Dec 2023 |
| 144 | Cut Through Hydrocarbon | Florence, KY 41042 | Gas Operator | Dec 2019 |
| 145 | Cyrus, Scott | Louisa, KY 41230 | Oil Operator | Dec 2023 |
| 146 | D & D Oil & Gas, LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 147 | D & G Natural Resources Inc | Somerset, KY 42502 | Oil & Gas Operator | Dec 2023 |
| 148 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 149 | Dacar Energy, Inc | | Oil Operator | Dec 2015 |
| 150 | Deep Hole Oil LLC | Ashland, KY 41105 | Oil & Gas Operator | Dec 2020 |
| 151 | Del Energy, Inc | | Oil Operator | Dec 2014 |
| 152 | Delta Natural Gas Co, Inc | Winchester, KY 40391 | Oil Operator | Dec 2023 |
| 153 | Delta Oil Corp | | Oil & Gas Operator | Dec 2005 |
| 154 | Delta Producers, Inc | Greenville, MS 38703 | Oil & Gas Operator | Dec 2023 |
| 155 | Devonian Resources Inc | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 156 | Diamond Endeavors Inc | | Oil Operator | Dec 2020 |
| 157 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2025 |
| 158 | Diversified Southern Production LLC | | Oil & Gas Operator | Dec 2018 |
| 159 | DLJ Investments, LLC | Springboro, OH 45006 | Oil Operator | Dec 2023 |
| 160 | Dobbs Oil & Gas | | Oil Operator | Dec 2013 |
| 161 | Dominion Resources, Inc | Staffordsville, KY 41256 | Oil & Gas Operator | Dec 2014 |
| 162 | Dominiq Operating, Inc | Scurry, TX 75158 | Oil Operator | Dec 2023 |
| 163 | Dotson, Robert M | | Oil Operator | Dec 2020 |
| 164 | Double D Producers, Inc | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 165 | Douglas, Marvin E Dba Douglas Radiation | | Oil & Gas Operator | Dec 2023 |
| 166 | Duncan Drilling Co. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2025 |
| 167 | Duncan, Gene L Dba Duncan Oil Co | Salem, IL 62881 | Oil Operator | Dec 2018 |
| 168 | Eagle Well Service, Inc | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2023 |
| 169 | East Fork Energy Inc | | Oil Operator | Dec 2015 |
| 170 | East Fork Energy Partners Inc | Edmonton, KY 42129 | Oil Operator | Dec 2016 |
| 171 | East Fork Oil Corporation | | Oil Operator | Dec 2016 |
| 172 | Eastern Energy Corporation | Bowling Green, KY 42104 | Oil & Gas Operator | Dec 2014 |
| 173 | Eastern Ky Oil & Gas, Inc | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2020 |
| 174 | Eastern Ky Prod Co | | Oil Operator | Dec 2023 |
| 175 | Eastern States Oil & Gas, Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2020 |
| 176 | Edgington, Jimmy C | MT Carmel, IL 62863 | Oil Operator | Dec 2021 |
| 177 | Elliott, W E & Elliott, W E Jr | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 178 | Elliott, W E Et Al | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 179 | Elna Oil Co, Inc | Martha, KY 41159 | Oil Operator | Dec 2023 |
| 180 | Empire Oil & Gas Co. | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2017 |
| 181 | Encore Operating Kentucky LLC | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 182 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 183 | Energy Associates, Inc | Lexington, KY 40502 | Oil & Gas Operator | Dec 2023 |
| 184 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2023 |
| 185 | Energy Enterprises, LLC | MT Vernon, IL 62864 | Oil Operator | Dec 2023 |
| 186 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 187 | Engle, George S | | Oil Operator | Dec 2023 |
| 188 | Enpro, Inc | Winchester, KY 40391 | Oil & Gas Operator | Dec 2023 |
| 189 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Feb 2025 |
| 190 | Eureka Expl Co, Inc | | Oil Operator | Dec 2013 |
| 191 | Eureka Gas Co, Inc | Pikeville, KY 41502 | Gas Operator | Dec 2010 |
| 192 | Eureka Oil And Gas LLC | Columbus, OH 43230 | Oil Operator | Dec 2020 |
| 193 | Evan Energy Co, LC | | Gas Operator | Dec 2013 |
| 194 | Ewm Services, LLC | Morganfield, KY 42437 | Oil Operator | Dec 2022 |
| 195 | Exco Resources (Pa), LLC | Dallas, TX 75251-2224 | Oil & Gas Operator | Feb 2025 |
| 196 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2025 |
| 197 | Exxo Resources Co | Dana, KY 41615 | Oil & Gas Operator | Dec 2023 |
| 198 | Farrar Oil Co | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2000 |
| 199 | Faulkner DRLG Co, Inc | | Oil Operator | Dec 2023 |
| 200 | Finley, Billy D | Burkesville, KY 42717 | Oil Operator | Dec 2020 |