| 301 | J M L Oil & Gas Company | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2024 |
| 302 | J. C. Baker & Son, Inc. | | Gas Operator | Dec 2021 |
| 303 | J. D. Gas & Oil, Inc. | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2025 |
| 304 | Jack Production Inc | | Oil & Gas Operator | Dec 2011 |
| 305 | Jackson Fuel Corporation | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 306 | Jackson Resources Co | | Oil & Gas Operator | Dec 2018 |
| 307 | Jackson, Norville W & Charlotte L | | Oil & Gas Operator | Dec 2010 |
| 308 | James Drilling Corp | Blairsville, PA 15717 | Oil & Gas Operator | Dec 2004 |
| 309 | Jarvis Drilling, Inc. | MT Zion, IL 62549 | Oil & Gas Operator | Dec 2023 |
| 310 | Jay-Bee Oil & Gas, Inc. | Jupiter, FL 33477 | Oil & Gas Operator | Dec 2021 |
| 311 | JCR Petroleum, Inc. | | Oil & Gas Operator | Dec 2013 |
| 312 | Jenkins Energy Corp & H Davis Jenkins | | Gas Operator | Dec 2011 |
| 313 | Jerry Oil Co. | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 314 | Jesam Energy LLC | | Oil & Gas Operator | Dec 2021 |
| 315 | Jesmar Energy Inc | | Oil & Gas Operator | Dec 2025 |
| 316 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 317 | Johnson Brothers | Morse, TX 79062 | Oil & Gas Operator | Sep 2026 |
| 318 | Johnson Energy Company | | Oil & Gas Operator | Dec 1996 |
| 319 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 320 | Johnson, Robert E And Loyce J | | Gas Operator | Feb 2021 |
| 321 | Jones, Gerald D | Spencer, WV 252760000 | Oil & Gas Operator | Dec 2008 |
| 322 | Jones, Robert | | Oil & Gas Operator | Dec 1996 |
| 323 | Journey Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
| 324 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Jun 2026 |
| 325 | Keelex Corporation | | Oil & Gas Operator | Dec 2021 |
| 326 | Kelly, Michael J. | Spencer, WV 258760000 | Oil & Gas Operator | Dec 2021 |
| 327 | Kennedy, Billy N | | Oil & Gas Operator | Dec 2019 |
| 328 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Feb 2026 |
| 329 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 330 | Keyrock Energy LLC | Johnson City, TN 37604-5749 | Oil & Gas Operator | Dec 2024 |
| 331 | Kimco Inc. | Spencer, WV 252761007 | Oil & Gas Operator | Dec 2021 |
| 332 | Kinzer, J. W. | | Oil & Gas Operator | Dec 2006 |
| 333 | Kirkconnell And Associates | | Oil & Gas Operator | Dec 1996 |
| 334 | Kirtley, Ralph | | Oil & Gas Operator | Dec 2005 |
| 335 | Klug, E A & A J (Estate) | Proctor, WV 260550000 | Oil & Gas Operator | Dec 2021 |
| 336 | Knobler, Alfred E | | Oil & Gas Operator | Dec 2003 |
| 337 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2025 |
| 338 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 339 | Krakrow, Inc. | Spencer, WV 252761007 | Oil & Gas Operator | Dec 2021 |
| 340 | Kramer Exploration Co. | Delaware, OH 43015 | Oil & Gas Operator | Dec 2009 |
| 341 | Kudella, Ron & Cline, Russell | | Oil & Gas Operator | Feb 2021 |
| 342 | KV Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2006 |
| 343 | L.K. Energies, Inc. | | Oil & Gas Operator | Dec 2002 |
| 344 | Lamar Oil & Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 345 | Lancaster, Randy L. Dba Heritage Oil & Gas | Middlebourne, WV 26149 | Oil & Gas Operator | Dec 2021 |
| 346 | Landaplenty, LLC | Glenville, WV 26351 | Oil & Gas Operator | Dec 2021 |
| 347 | Larch Oil & Gas Corporation | Cross Lanes, WV 25313 | Oil & Gas Operator | Dec 2021 |
| 348 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 349 | LBJ Energy Associates, LLC | Staunton,, VA 24402 | Oil & Gas Operator | Dec 2021 |
| 350 | Leatherwood, LLC | Canonsburg, PA 15317-6506 | Oil & Gas Operator | Dec 2023 |
| 351 | Leland Petroleum Production Inc | | Oil & Gas Operator | Dec 2007 |
| 352 | Linn Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 353 | Lippizan Petroleum, Inc. | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2025 |
| 354 | Loan Asset Issuer LLC, Series 2021 NG-1 | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 355 | Locin Oil Corporation | Katy, TX 77494 | Oil & Gas Operator | Sep 2026 |
| 356 | Lock 3 Company | Pittsburgh, PA 15220 | Oil & Gas Operator | Dec 2017 |
| 357 | Lone Pine Operating Company, Inc. | Salem, WV 26426 | Oil & Gas Operator | Dec 2021 |
| 358 | Lowther, Dan M | Alum Bridge, WV 26321 | Oil & Gas Operator | Dec 2020 |
| 359 | Lucas Well Service, Inc. | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 360 | Lydic, W. J., Inc. | Zanesville, OH 43702-2310 | Oil & Gas Operator | Jan 2005 |
| 361 | M & A Well Service, Inc. | Arnoldsburg, WV 252340000 | Oil & Gas Operator | Dec 2021 |
| 362 | M & M Drilling | Spencer, WV 252760905 | Oil & Gas Operator | Dec 2021 |
| 363 | M V Crum Gas Partners | Paintsville, KY 41240 | Gas Operator | Dec 2021 |
| 364 | M4 Energy, LLC | Watsontown, PA 17777 | Oil & Gas Operator | Dec 2025 |
| 365 | Macfarlan Oil And Gas, LLC | Ellenboro, WV 263460058 | Oil & Gas Operator | Dec 2021 |
| 366 | Mahue Construction Company | Huntington, WV 257242345 | Oil & Gas Operator | Dec 2021 |
| 367 | Malvern Group Inc | Clearwater, FL 33758-6817 | Oil & Gas Operator | Mar 2005 |
| 368 | Mann Energy, Inc. | Charleston, WV 253323242 | Oil & Gas Operator | Nov 2018 |
| 369 | Maranatha Energy Corporation | Athens, WV 24712 | Oil & Gas Operator | Dec 2021 |
| 370 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Jun 2026 |
| 371 | Marks & Co., Inc. | Arnoldsburg, WV 25234 | Oil & Gas Operator | Dec 2021 |
| 372 | Marsh Operating Company | Dallas, TX 75221 | Oil & Gas Operator | Apr 2026 |
| 373 | Marshall, Dale | | Gas Operator | Dec 1995 |
| 374 | Massey Group, Inc. | | Oil & Gas Operator | Dec 2004 |
| 375 | May Gas, Inc. | | Oil & Gas Operator | Dec 2008 |
| 376 | McCarty, Charles E | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 377 | McCullough, Richard F. | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 378 | MCF Co. | | Oil & Gas Operator | Dec 2011 |
| 379 | McIntosh Oil & Gas, Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 380 | McRain Petroleum | | Oil & Gas Operator | Dec 2020 |
| 381 | Meadow Ridge Development, LLC | Washington, PA 15301 | Oil & Gas Operator | Dec 2021 |
| 382 | Meadows Jr, S. L. Production Inc. | Ravenswood, WV 261640022 | Oil & Gas Operator | Dec 2021 |
| 383 | Megaenergy Operating, Inc. | Edmond, OK 73034 | Oil & Gas Operator | Jul 2015 |
| 384 | Megan Oil & Gas Co., Inc. | Spencer, WV 252760000 | Oil & Gas Operator | Dec 2021 |
| 385 | Meridian Exploration Corp. | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 2021 |
| 386 | Mert Development Inc | | Oil & Gas Operator | Dec 2021 |
| 387 | Mid-Eastern Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 388 | Midway City Gas Company | Huntington, WV 25701 | Oil & Gas Operator | Dec 2018 |
| 389 | Miller, Allerton | | Oil & Gas Operator | Dec 1997 |
| 390 | Mills Drilling Co Inc | | Oil & Gas Operator | Nov 2008 |
| 391 | Milton Oil & Gas Company | Charleston, WV 25322 | Gas Operator | Nov 1997 |
| 392 | Mineral Resource Management, L.L.C. | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 2021 |
| 393 | MLX Operating, Inc. | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 394 | Monge Oil Corp. | | Oil & Gas Operator | Dec 2021 |
| 395 | Moody Oil & Gas Co. | Bridgeport, WV 263301051 | Oil & Gas Operator | Dec 2004 |
| 396 | Morris Beall Oil & Gas Co | | Oil & Gas Operator | Dec 2021 |
| 397 | Morris Oil & Gas Co., Inc | Grantsville, WV 261470267 | Oil & Gas Operator | Dec 2021 |
| 398 | Morris, Carl R | | Oil & Gas Operator | Dec 2015 |
| 399 | Moses Gas, Inc. | Indore, WV 251110100 | Gas Operator | Dec 2018 |
| 400 | Mossor, L. E. | Harrisville, WV 263620000 | Oil & Gas Operator | Dec 2002 |