| 16401 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16402 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16403 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16404 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16405 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16406 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jul 2026 |
| 16407 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Apr 2026 |
| 16408 | Latigo Oil & Gas, Inc. | Woodward, OK 73801 | Oil & Gas Operator | May 2026 |
| 16409 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16410 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2026 |
| 16411 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Jul 2026 |
| 16412 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16413 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16414 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | May 2026 |
| 16415 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16416 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16417 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16418 | Laurco Energies,Inc | | Oil & Gas Operator | May 2025 |
| 16419 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16420 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Apr 2026 |
| 16421 | Laurel Operating Company | Stillwater, OK 74074-3025 | Oil & Gas Operator | Apr 2026 |
| 16422 | Lavaca Canyon Petroleum LLC | Houston, TX 77060 | Oil & Gas Operator | Jul 2026 |
| 16423 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2026 |
| 16424 | Lavanco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2006 |
| 16425 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 16426 | Laverty, Thomas R | | Oil & Gas Operator | Dec 2023 |
| 16427 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
| 16428 | Law E Edward | Newkirk, OK 74647-2056 | Oil Operator | Apr 2026 |
| 16429 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 16430 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 16431 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 16432 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 16433 | Lawco Exploration Inc | Bentonville, AR 72712 | Oil & Gas Operator | Aug 2024 |
| 16434 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Apr 2026 |
| 16435 | Lawco Osage Operating, LLC | Bentonville, AR 72712 | Oil & Gas Operator | Jul 2026 |
| 16436 | Lawlis Oil Company | Hamlin, TX 79520 | Oil & Gas Operator | Jul 2026 |
| 16437 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 16438 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 16439 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2024 |
| 16440 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | Jul 2026 |
| 16441 | Lawrence Exploration Inc | | Oil & Gas Operator | Sep 2004 |
| 16442 | Lawrence Hot Oil Service | Loco, OK 73442 | Oil & Gas Operator | May 2026 |
| 16443 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 16444 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 16445 | Lawrence Roy Drilling Co Inc | Pawnee, OK 74058-0306 | Oil & Gas Operator | Aug 2000 |
| 16446 | Lawrence Smith Oil LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 16447 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | May 2026 |
| 16448 | Lawrence, C. F. & Assoc. Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Jul 2026 |
| 16449 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Sep 2025 |
| 16450 | Laws Exploration LLC | Mineral Wells, TX 76067 | Oil & Gas Operator | Jul 2026 |
| 16451 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16452 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16453 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16454 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16455 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16456 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16457 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Mar 2026 |
| 16458 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16459 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16460 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16461 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16462 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16463 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16464 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16465 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | May 2026 |
| 16466 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16467 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16468 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16469 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16470 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Mar 2026 |
| 16471 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Dec 2025 |
| 16472 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Oct 2025 |
| 16473 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Jul 2026 |
| 16474 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 16475 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 16476 | Layton Oil Co | | Oil Operator | Feb 1994 |
| 16477 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 16478 | Lazarus Operating, LLC | Kilgore, TX 75663 | Oil Operator | Jul 2026 |
| 16479 | Lazer Petroleum | | Oil Operator | Jan 1993 |
| 16480 | LB Exploration, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Mar 2026 |
| 16481 | LBJ Drilling Co Inc | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2024 |
| 16482 | LBJ Energy Associates, LLC | Staunton,, VA 24402 | Oil & Gas Operator | Dec 2021 |
| 16483 | LBJ Production Inc | Okmulgee, OK 74447 | Oil Operator | Nov 1998 |
| 16484 | LBN Oil Co., Inc. | Corpus Christ, TX 78411 | Oil & Gas Operator | May 1998 |
| 16485 | Lbo Energy, Inc. | Kentfield, CA 94914 | Gas Operator | Nov 2002 |
| 16486 | Lbo New Mexico Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 16487 | Lboc, LLC | Norphlet, AR 71759 | Oil Operator | Jan 2025 |
| 16488 | LBTH Inc. | | Oil & Gas Operator | Mar 2026 |
| 16489 | LC Operating, LLC | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2026 |
| 16490 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | May 2026 |
| 16491 | LCT Energy, LP | Lewisville, AR 71845 | Oil & Gas Operator | Jul 2026 |
| 16492 | LCX Energy, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2010 |
| 16493 | LDD Energy LLC | | Oil & Gas Operator | Dec 2025 |
| 16494 | LDF Energy, LLC | Midland, TX 79707 | Oil & Gas Operator | Jul 2026 |
| 16495 | LDH Operating LLC | Wichita, KS 67278 | Oil Operator | Mar 2026 |
| 16496 | Ldo LLC | Skiatook, OK 74070 | Oil Operator | Nov 2025 |
| 16497 | LDX Operating Company, LLC. | Amarillo, TX 79102 | Oil & Gas Operator | Jul 2026 |
| 16498 | Le Bas Operating Company, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2000 |
| 16499 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 16500 | Le Norman Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2019 |