| 201 | Emax Oil Company | Charlottesville, VA 22903-4973 | Oil & Gas Operator | Dec 2016 |
| 202 | Emco Energy, Inc. | Stephenson, VA 22656 | Gas Operator | Dec 2018 |
| 203 | Empire Oil & Gas, Inc. | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 204 | Empire Oil Company | Coppell, TX 75019 | Oil & Gas Operator | Sep 2026 |
| 205 | Energy Contractors, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2019 |
| 206 | Energy Corporation Of America | Charleston, WV 25311 | Oil & Gas Operator | Dec 2024 |
| 207 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2025 |
| 208 | Energy Production, Inc. | Canton, OH 44711 | Oil & Gas Operator | Dec 2021 |
| 209 | Energy Search Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
| 210 | Energy Unlimited Inc | | Oil & Gas Operator | Feb 2005 |
| 211 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2026 |
| 212 | Enervest Operating, L.L.C., A Limited Liability Company | | Oil & Gas Operator | Dec 2019 |
| 213 | Engler, Inc. | Harlingen, TX 785520000 | Gas Operator | Dec 2020 |
| 214 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 215 | Eqt Chap, LLC | Canonsburg, PA 15317-1000 | Oil & Gas Operator | Jun 2026 |
| 216 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Jun 2026 |
| 217 | Equitable Gas Company | Pittsburgh, PA 15212-5352 | Gas Operator | Dec 2013 |
| 218 | Equitable Production Company | Charleston, WV 25302 | Oil & Gas Operator | Dec 2007 |
| 219 | Equitrans, L. P. | Pittsburgh`, PA 15222 | Oil & Gas Operator | Jul 2021 |
| 220 | Erp Environmental Fund, Inc. | | Gas Operator | Dec 2018 |
| 221 | Exco Resources (Pa), LLC | Montoursville, PA 17754-2235 | Oil & Gas Operator | Jun 2026 |
| 222 | Exco Resources (WV), Inc. | | Oil & Gas Operator | Dec 2020 |
| 223 | Farr Enterprises Inc | West Union, WV 24656 | Oil & Gas Operator | Dec 2021 |
| 224 | Fluharty Enterprises Incorporated | | Oil & Gas Operator | Oct 2021 |
| 225 | FMC Corporation | Green River, WY 82935 | Oil & Gas Operator | Dec 2008 |
| 226 | Fola Land Company Inc | | Gas Operator | Dec 2003 |
| 227 | Four Leaf Land Company | West Union, WV 264560000 | Oil & Gas Operator | Dec 2021 |
| 228 | Fox Oil And Gas Inc | Houston, TX 77002 | Gas Operator | Dec 2002 |
| 229 | Francis Well Service, Inc. | Sandyville, WV 25275 | Oil & Gas Operator | Dec 2021 |
| 230 | Freedom Oil & Gas, Inc. | Branchland, WV 25506 | Gas Operator | Dec 2021 |
| 231 | French Creek Dev Inc | | Oil & Gas Operator | Dec 2006 |
| 232 | G & M Contracting, Inc. | Thealka, KY 41240 | Gas Operator | Dec 2012 |
| 233 | G & S Drilling Company | | Oil & Gas Operator | Dec 2019 |
| 234 | Gainer, Phillip L | Fort Myers, FL 33908 | Oil & Gas Operator | Dec 2021 |
| 235 | Gallatin Fuels, Inc. | | Oil & Gas Operator | Dec 2020 |
| 236 | Garrett, Rick J And Desari S | Glenville, WV 263510000 | Oil & Gas Operator | Dec 2021 |
| 237 | Gas Supply Corp | | Oil & Gas Operator | Dec 2008 |
| 238 | Gassearch Corporation | | Oil & Gas Operator | Dec 2008 |
| 239 | Gastar Exploration USA, Inc. | | Oil & Gas Operator | Dec 2015 |
| 240 | Genesis Exploration & Production Co., LLC | | Oil & Gas Operator | Dec 2019 |
| 241 | Geo Energy, LLC | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 242 | Geoex, Inc. | Williamson, WV 25661 | Oil & Gas Operator | Dec 2024 |
| 243 | Geomet Operating Co., Inc. | | Gas Operator | Dec 2013 |
| 244 | Gilbert Exploration Company Inc | Charleston, WV 25301 | Oil & Gas Operator | Dec 2024 |
| 245 | Gilco Gas, Inc. | | Gas Operator | Dec 2008 |
| 246 | Glass Development Company | St. Marys, WV 261700000 | Oil & Gas Operator | Dec 2021 |
| 247 | Glover Oilfield Service, Inc. | Olney, IL 62450 | Oil & Gas Operator | Dec 2013 |
| 248 | Goff Connector LLC | | Gas Operator | Jul 2014 |
| 249 | Gossett, Henry O., Jr. | Longview, TX 75606 | Oil & Gas Operator | Dec 2001 |
| 250 | Gpo Energy, LLC | Walton, WV 25286 | Oil & Gas Operator | Dec 2020 |
| 251 | Great Oak Energy, Inc. | Oakmont, PA 15139-2003 | Oil & Gas Operator | Feb 2021 |
| 252 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 253 | Greenville Land Development Co. | Elizabeth, WV 261430252 | Oil & Gas Operator | Dec 2021 |
| 254 | Greer Industries, Inc. | Morgantown, WV 265071900 | Gas Operator | Dec 2021 |
| 255 | Greer, Inc. | | Oil & Gas Operator | Dec 2021 |
| 256 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 257 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Jun 2026 |
| 258 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 259 | Grose, Raymond | | Oil & Gas Operator | Dec 2003 |
| 260 | Ground Resources, LLC | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 261 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |
| 262 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 263 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 264 | Haddad & Brooks Inc | Washington, PA 15301 | Oil & Gas Operator | Dec 2018 |
| 265 | Hager Gas Co | Danville, WV 25053 | Gas Operator | Dec 2010 |
| 266 | Hall Drilling, LLC | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2021 |
| 267 | Hall, James H ( Trust) | | Gas Operator | Dec 2007 |
| 268 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2026 |
| 269 | Hard Rock Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 270 | Hardee Petroleum Co., A General PTSHP. | | Oil & Gas Operator | Dec 2013 |
| 271 | Harper Crosby Holdings, LLC | Weston, WV 26452 | Oil & Gas Operator | Dec 2025 |
| 272 | Hartman Oil And Gas Company | | Oil Operator | Dec 1998 |
| 273 | Haught Energy Corporation | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 274 | Haught, Glenn L. & Sons | | Oil & Gas Operator | Dec 1997 |
| 275 | Haught, Inc. | | Oil & Gas Operator | Nov 2021 |
| 276 | Hayden Harper Energy Ka, LLC | Charlotte, NC 28203-4173 | Oil & Gas Operator | Dec 2021 |
| 277 | Heinrich Enterprises, Inc. | Reno, OH 457730305 | Oil & Gas Operator | Dec 2021 |
| 278 | HG Energy II Appalachia, LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Mar 2022 |
| 279 | HG Energy LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 280 | Highland Resources, Inc. | | Oil & Gas Operator | Dec 2004 |
| 281 | Hildreth, Roy G & Son Inc | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 282 | Hildreth, Va Roy | | Oil & Gas Operator | Dec 1996 |
| 283 | Hope Gas, Inc. | | Oil & Gas Operator | Dec 2010 |
| 284 | Horizon Energy Corporation | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 285 | Horner Oil And Gas Production, Inc. | | Oil & Gas Operator | Dec 2021 |
| 286 | Houston Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 287 | Howard, Lorna Agent | | Oil & Gas Operator | Dec 2021 |
| 288 | Hufco, Incorporated | | Oil & Gas Operator | Dec 2020 |
| 289 | Hughes River Oil & Gas Company | | Oil & Gas Operator | Dec 2021 |
| 290 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 291 | Hydrocarbon Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 292 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 293 | Icg Tygart Valley, LLC | Grafton, WV 26354 | Oil & Gas Operator | Dec 2021 |
| 294 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 295 | Interstate Energy Inc | | Oil & Gas Operator | Dec 2002 |
| 296 | Interstate Production Company, Inc. | Buckhannon, WV 262010000 | Oil & Gas Operator | Dec 2021 |
| 297 | Invitation Energy, Incorporated | | Oil & Gas Operator | Dec 2021 |
| 298 | J & F Producing Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 299 | J & J Energy Corporation | Chloe, WV 25235 | Oil & Gas Operator | Dec 2021 |
| 300 | J A & M Oil & Gas Co | Jacksonburg, WV 26377 | Oil & Gas Operator | Mar 2021 |