| 301 | L. A. W. Oil, LLC | | Oil Operator | Dec 2018 |
| 302 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2021 |
| 303 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 304 | Lauffer Oil Co Of Ky | | Oil Operator | Dec 2022 |
| 305 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2022 |
| 306 | Legg, Raymond | | Oil Operator | Dec 2010 |
| 307 | Lewis, Freddie | | Oil Operator | Dec 2022 |
| 308 | Lewis, Robert | | Oil Operator | Dec 2022 |
| 309 | Liberty National Corp | Dallas, TX 75206 | Oil Operator | Dec 2006 |
| 310 | Licking Valley Construction Co., Inc. | | Oil & Gas Operator | Dec 2016 |
| 311 | Likens, A | | Oil Operator | Dec 2022 |
| 312 | Lincoln Energy Corporation | Dennis, MA 02638 | Oil & Gas Operator | Dec 2021 |
| 313 | Lindsey, W W | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2021 |
| 314 | Lobb, Eleanor | Smiths Grove, KY 42171 | Oil Operator | Dec 2022 |
| 315 | Loeb Bros., LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2016 |
| 316 | Loeb, Herman L, LLC | Lawrenceville, IL 62439 | Oil Operator | Dec 2017 |
| 317 | Lone Star Oil & Gas, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2022 |
| 318 | Louisville Gas & Electric Co | Louisville, KY 40241 | Oil Operator | Dec 2022 |
| 319 | Lowe, Wallace W | | Oil Operator | Dec 2013 |
| 320 | Lucky Run, LLC | | Oil Operator | Dec 2019 |
| 321 | Lyle Energy & Development, Inc | | Oil Operator | Dec 2008 |
| 322 | Lyles, Phillip | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2022 |
| 323 | Madison Brothers Investment, LLC | Brownsville, KY 42210 | Oil & Gas Operator | Dec 2019 |
| 324 | Magnum DRLG Of Ohio, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2020 |
| 325 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 326 | Magnum Oil, LLC | Hartford, KY 42347 | Oil Operator | Dec 2022 |
| 327 | Maier, H Paul | | Oil Operator | Dec 2022 |
| 328 | Majestic Management Corp | | Oil Operator | Dec 2013 |
| 329 | Marco Oil Co, Inc | Sparta, KY 41086 | Oil Operator | Dec 2021 |
| 330 | Marsh Oil & Gas Field Services, Inc | Sebree, KY 42455 | Oil & Gas Operator | Dec 2022 |
| 331 | Matriks Energy LLC | Ashland, KY 41102 | Gas Operator | Dec 2021 |
| 332 | Maxim Energy Inc Dba Maxim Tep Inc | | Oil Operator | Dec 2009 |
| 333 | Maximum Energy Development, LLC | Glasgow, KY 42142 | Oil Operator | Dec 2022 |
| 334 | Maximum Oil & Gas, Inc | | Gas Operator | Dec 2022 |
| 335 | Mays, Herbert | | Oil Operator | Dec 2022 |
| 336 | MBM Production, LLC | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2022 |
| 337 | MC Oil, LLC | Morganfield, KY 42437 | Oil Operator | Dec 2022 |
| 338 | McCarter, Rex | | Oil Operator | Dec 2022 |
| 339 | McDonald, Lee | | Oil Operator | Dec 2022 |
| 340 | McWhorter, Jimmy L | Louisville, KY 40218 | Oil Operator | Dec 2022 |
| 341 | MDM Energy, Inc. | The Colony, TX 75056 | Oil & Gas Operator | Nov 2024 |
| 342 | Meng, Charles H | Lexington, KY 40502 | Gas Operator | Dec 2022 |
| 343 | Mercury Petroleum Company, Inc | | Oil Operator | Dec 2018 |
| 344 | Meridian Resources, LLC | Evansville, IN 47715 | Oil Operator | Jul 2024 |
| 345 | Metgas Co, A Partnership | | Oil & Gas Operator | Dec 2016 |
| 346 | Miami Oil Producers Inc | Reno, NV 89501 | Oil & Gas Operator | Dec 2012 |
| 347 | Midway City Gas Company | Huntington, WV 25701 | Oil & Gas Operator | Dec 2018 |
| 348 | Midwest Radiant Oil & Gas Co | | Oil Operator | Dec 2021 |
| 349 | Mieka LLC | Flower Mound, TX 75028-7446 | Oil & Gas Operator | Dec 2014 |
| 350 | Miller, Luke A | Keaton, KY 41226 | Oil Operator | Dec 2022 |
| 351 | Mills, Paul Dba Full Time Contracting | Corbin, KY 40701 | Gas Operator | Dec 2022 |
| 352 | Minerals MGMT Group, Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2021 |
| 353 | Mollett Oil Productions, LLC | Thelma, KY 41260 | Oil Operator | Dec 2020 |
| 354 | Montgomery Oil Co | | Oil Operator | Dec 2018 |
| 355 | Moran, F E Oil Co | Evansville, IN 47715 | Oil Operator | Dec 2015 |
| 356 | Morgan, Robert L | | Oil Operator | Dec 2017 |
| 357 | Mountain State Production, Inc | | Gas Operator | Dec 2022 |
| 358 | Mountaintop Baking Co | Kimper, KY 41539 | Gas Operator | Dec 2022 |
| 359 | MSD Energy, Inc | Rapid City, SD 57702 | Oil & Gas Operator | Dec 2020 |
| 360 | Mud River Oil & Gas, LLC | Rochester, KY 42273 | Oil Operator | Dec 2021 |
| 361 | Musgrave, Dalton | | Oil Operator | Dec 2020 |
| 362 | Nally, Joseph L | Uniontown, KY 42461 | Oil & Gas Operator | Dec 2021 |
| 363 | Nami Resources Company, LLC | | Oil & Gas Operator | Dec 2022 |
| 364 | Navitas Land And Mineral Development, LLC | | Oil Operator | Dec 2016 |
| 365 | Nell, Margaret 2015 Trust | Albany, KY 42602 | Oil Operator | Dec 2022 |
| 366 | Nelson Ent | | Oil Operator | Dec 2016 |
| 367 | Nelson Enterprises | Carmi, IL 62821 | Oil Operator | Dec 2022 |
| 368 | New River Energy Corporation | | Gas Operator | Dec 2017 |
| 369 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
| 370 | Nichols Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Nov 2024 |
| 371 | Nichols Operating LLC | Fort Branch, IN 47648 | Oil & Gas Operator | Dec 2021 |
| 372 | Nolin Rural Electric Coop | Elizabethtown, KY 42701 | Gas Operator | Dec 2022 |
| 373 | Norwood Energy, Inc | | Oil Operator | Dec 2015 |
| 374 | Nowea, Inc | Melbourne, FL 32901 | Oil Operator | Dec 2022 |
| 375 | Noxxe | Ottawa, KS 66067 | Oil & Gas Operator | Dec 2021 |
| 376 | Numatex, Inc | | Oil Operator | Dec 2013 |
| 377 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |
| 378 | Obermeyer, C R | | Oil Operator | Dec 2022 |
| 379 | Oeth DRLG Co | | Oil Operator | Dec 2018 |
| 380 | Ohio Kentucky Oil Corporation | Lexington, KY 40503 | Oil & Gas Operator | Dec 2020 |
| 381 | Ohio Valley Energy, Inc | Livermore, KY 42352 | Oil Operator | Dec 2022 |
| 382 | Oilfield Research, Inc | | Oil Operator | Dec 2021 |
| 383 | Omr Drilling & Acquisition LLC | Albany, KY 42602 | Oil Operator | Dec 2015 |
| 384 | Onyx Int'L Exploration LLC | | Oil & Gas Operator | Dec 2015 |
| 385 | Orbit Gas Transmission, Inc | Owensboro, KY 42303 | Oil & Gas Operator | Dec 2021 |
| 386 | Overfield, Lee R | Waverly, KY 42462 | Oil Operator | Dec 2016 |
| 387 | Owens, Rickey | Windsor, KY 42565 | Oil Operator | Dec 2022 |
| 388 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Nov 2024 |
| 389 | P & J Resources, Inc | | Oil & Gas Operator | Dec 2013 |
| 390 | P T C, Inc | Raccoon, KY 41557 | Gas Operator | Dec 2022 |
| 391 | Pacific-Northwestern Energy LLC | | Oil Operator | Dec 2022 |
| 392 | Page, Allen | | Oil & Gas Operator | Dec 2014 |
| 393 | Papineau Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2014 |
| 394 | Paragon Trading Co., LLC | | Oil Operator | Dec 2009 |
| 395 | Payne Bros DRLG Co | Newburgh, IN 47629 | Oil Operator | Dec 2022 |
| 396 | Payne, George A | Newburgh, IN 47629 | Oil Operator | Dec 2022 |
| 397 | Payne, H Jennings Dba Payne Bros | Newburgh, IN 47630 | Oil Operator | Dec 2022 |
| 398 | Payne, Lawrence R Dba Payne DRLG Co | Philpot, KY 42366 | Oil Operator | Dec 2022 |
| 399 | Peach, Dennis L | Hartford, KY 42347 | Oil Operator | Dec 2022 |
| 400 | Peacock, Scott | Edmonton, KY 42129 | Oil Operator | Dec 2018 |