| 301 | Greer Industries, Inc. | Morgantown, WV 26507-1900 | Gas Operator | Dec 2021 |
| 302 | Greer, Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 303 | Grey Eagle Construction Company, Inc. | Kermit, WV 25674 | Gas Operator | Dec 2021 |
| 304 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 305 | Greylock Opco LLC | Charleston, WV 25311 | Oil & Gas Operator | Dec 2025 |
| 306 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 307 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 308 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 309 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |
| 310 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 311 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 312 | Guyan Gas Producers, Inc. | Oceana, WV 24870 | Gas Operator | Dec 2018 |
| 313 | Haddad & Brooks Inc | Washington, PA 15301 | Oil & Gas Operator | Dec 2018 |
| 314 | Hager Gas Co | Danville, WV 25053 | Gas Operator | Dec 2010 |
| 315 | Hall Drilling, LLC | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2021 |
| 316 | Hall, James H ( Trust) | | Gas Operator | Dec 2007 |
| 317 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 318 | Hard Rock Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 319 | Hardee Petroleum Co., A General PTSHP. | | Oil & Gas Operator | Dec 2013 |
| 320 | Harper Crosby Holdings, LLC | Weston, WV 26452 | Oil & Gas Operator | Dec 2025 |
| 321 | Hartman Oil And Gas Company | | Oil Operator | Dec 1998 |
| 322 | Haught Energy Corporation | Smithville, WV 26178-7004 | Oil & Gas Operator | Dec 2021 |
| 323 | Haught, Glenn L. & Sons | | Oil & Gas Operator | Dec 1997 |
| 324 | Haught, Inc. | Smithville, WV 26178 | Oil & Gas Operator | Nov 2021 |
| 325 | Hayden Harper Energy Ka, LLC | Charlotte, NC 28203-4173 | Oil & Gas Operator | Dec 2021 |
| 326 | Hays & Anderson | | Oil & Gas Operator | Feb 2019 |
| 327 | Heatherly, Darl H. | Belington, WV 26250 | Gas Operator | Dec 2021 |
| 328 | Heinrich Enterprises, Inc. | Reno, OH 45773-0305 | Oil & Gas Operator | Dec 2021 |
| 329 | Hendrickson, James W., Dba Dinad Development Company | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2016 |
| 330 | HG Energy II Appalachia, LLC | | Oil & Gas Operator | Mar 2022 |
| 331 | HG Energy LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 332 | Highland Resources, Inc. | | Oil & Gas Operator | Dec 2004 |
| 333 | Hildreth, Roy G & Son Inc | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 334 | Hildreth, Va Roy | | Oil & Gas Operator | Dec 1996 |
| 335 | Hope Gas, Inc. | Richmond, VA 23261 | Oil & Gas Operator | Dec 2010 |
| 336 | Horizon Energy Corporation | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 337 | Horner Oil And Gas Production, Inc. | Cameron, WV 26033 | Oil & Gas Operator | Dec 2021 |
| 338 | Houston Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 339 | Howard, Lorna Agent | | Oil & Gas Operator | Dec 2021 |
| 340 | Hufco, Incorporated | | Oil & Gas Operator | Dec 2020 |
| 341 | Hughes River Oil & Gas Company | Walker, WV 26180-0000 | Oil & Gas Operator | Dec 2021 |
| 342 | Hunt, K Metal | | Oil & Gas Operator | Dec 2021 |
| 343 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 344 | Hydrocarbon Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 345 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 346 | Icg Tygart Valley, LLC | Grafton, WV 26354 | Oil & Gas Operator | Dec 2021 |
| 347 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 348 | Interstate Energy Inc | | Oil & Gas Operator | Dec 2002 |
| 349 | Interstate Production Company, Inc. | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 350 | Invitation Energy, Incorporated | | Oil & Gas Operator | Dec 2021 |
| 351 | J & F Producing Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 352 | J & J Energy Corporation | Chloe, WV 25235 | Oil & Gas Operator | Dec 2021 |
| 353 | J A & M Oil & Gas Co | Jacksonburg, WV 26377 | Oil & Gas Operator | Mar 2021 |
| 354 | J M L Oil & Gas Company | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2023 |
| 355 | J. C. Baker & Son, Inc. | | Gas Operator | Dec 2021 |
| 356 | J. D. Gas & Oil, Inc. | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 357 | J.M.S. Corporation | | Gas Operator | Dec 2004 |
| 358 | Jack Production Inc | Indiana, PA 15701-0697 | Oil & Gas Operator | Dec 2011 |
| 359 | Jackson Fuel Corporation | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 360 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 361 | Jackson, Norville W & Charlotte L | | Oil & Gas Operator | Dec 2010 |
| 362 | James Drilling Corp | Blairsville, PA 15717 | Oil & Gas Operator | Dec 2004 |
| 363 | Jarvis Drilling, Inc. | MT Zion, IL 62549 | Oil & Gas Operator | Dec 2023 |
| 364 | Jay-Bee Oil & Gas, Inc. | Jupiter, FL 33477 | Oil & Gas Operator | Dec 2021 |
| 365 | JCR Petroleum, Inc. | Navarre, OH 44662-0000 | Oil & Gas Operator | Dec 2013 |
| 366 | Jenkins Energy Corp & H Davis Jenkins | | Gas Operator | Dec 2011 |
| 367 | Jerry Oil Co. | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 368 | Jesam Energy LLC | Glenville, WV 26351 | Oil & Gas Operator | Dec 2021 |
| 369 | Jesmar Energy Inc | Holbrook, PA 15341-1318 | Oil & Gas Operator | Dec 2025 |
| 370 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 371 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Feb 2026 |
| 372 | Johnson Energy Company | | Oil & Gas Operator | Dec 1996 |
| 373 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 374 | Johnson, Robert E And Loyce J | Salt Rock, WV 25559 | Gas Operator | Feb 2021 |
| 375 | Jones, Gerald D | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2008 |
| 376 | Jones, Robert | | Oil & Gas Operator | Dec 1996 |
| 377 | Journey Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
| 378 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Dec 2025 |
| 379 | KBG Partners, LLC | Morgantown, WV 26505 | Gas Operator | Dec 2021 |
| 380 | Keelex Corporation | | Oil & Gas Operator | Dec 2021 |
| 381 | Kelly, Michael J. | Spencer, WV 25876-0000 | Oil & Gas Operator | Dec 2021 |
| 382 | Kennedy, Billy N | | Oil & Gas Operator | Dec 2019 |
| 383 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2025 |
| 384 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 385 | Keyrock Energy LLC | Johnson City, TN 37604-5749 | Oil & Gas Operator | Dec 2024 |
| 386 | Kimco Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 387 | King Gas Company | Huntington, WV 25709 | Gas Operator | Dec 2021 |
| 388 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 389 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 390 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 391 | Klug, E A & A J (Estate) | Proctor, WV 26055-0000 | Oil & Gas Operator | Dec 2021 |
| 392 | Knobler, Alfred E | | Oil & Gas Operator | Dec 2003 |
| 393 | Knotts Brothers | Orma, WV 25268-0000 | Oil & Gas Operator | Dec 2021 |
| 394 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |
| 395 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 396 | Krakrow, Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 397 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 398 | Krennerman Oil & Gas Co., Inc. | Butler, PA 16001-0000 | Gas Operator | Dec 2015 |
| 399 | Kudella, Ron & Cline, Russell | | Oil & Gas Operator | Feb 2021 |
| 400 | KV Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2006 |