| 16301 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 16302 | Laser Gas Company I, LLC | | Oil Operator | Aug 2007 |
| 16303 | Lashley Oil Company Inc | Walters, OK 73572 | Oil Operator | Dec 2014 |
| 16304 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 16305 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 16306 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 16307 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Feb 2026 |
| 16308 | Lasso Oil & Gas LLC | | Oil & Gas Operator | Jul 2022 |
| 16309 | Last Chance Operating LLC | Wortham, TX 76693 | Oil Operator | Nov 2025 |
| 16310 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 16311 | Last Dollar LLC | Big Lake, TX 76932 | Oil & Gas Operator | Jun 2026 |
| 16312 | Last Mile Production, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jun 2026 |
| 16313 | Last Run, LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 16314 | Laster Welding And Well Serv, Inc. | | Gas Operator | Jul 2020 |
| 16315 | Lastrada Oil And Gas LTD | | Oil & Gas Operator | May 1992 |
| 16316 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 16317 | Latexo Oil & Gas Co. | | Oil Operator | Sep 1986 |
| 16318 | Latexo Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Feb 1997 |
| 16319 | Latham & Bonner | | Oil Operator | Aug 1987 |
| 16320 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16321 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16322 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16323 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16324 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16325 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jun 2026 |
| 16326 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Mar 2026 |
| 16327 | Latigo Oil & Gas, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Mar 2026 |
| 16328 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16329 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Feb 2026 |
| 16330 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Jun 2026 |
| 16331 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16332 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16333 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | Mar 2026 |
| 16334 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16335 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16336 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16337 | Laurco Energies,Inc | | Oil & Gas Operator | May 2025 |
| 16338 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16339 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Mar 2026 |
| 16340 | Laurel Operating Company | Stillwater, OK 74074-3025 | Oil & Gas Operator | Feb 2026 |
| 16341 | Lavaca Canyon Petroleum LLC | Houston, TX 77060 | Oil & Gas Operator | Jun 2026 |
| 16342 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2026 |
| 16343 | Lavanco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2006 |
| 16344 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 16345 | Laverty, Thomas R | | Oil & Gas Operator | Dec 2023 |
| 16346 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
| 16347 | Law E Edward | Newkirk, OK 74647-2056 | Oil Operator | Feb 2026 |
| 16348 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 16349 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 16350 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 16351 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 16352 | Lawco Exploration Inc | Bentonville, AR 72712 | Oil & Gas Operator | Aug 2024 |
| 16353 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Mar 2026 |
| 16354 | Lawco Osage Operating, LLC | Bentonville, AR 72712 | Oil & Gas Operator | Jun 2026 |
| 16355 | Lawlis Oil Company | Hamlin, TX 79520 | Oil & Gas Operator | Jun 2026 |
| 16356 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 16357 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 16358 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2024 |
| 16359 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | Jun 2026 |
| 16360 | Lawrence Exploration Inc | | Oil & Gas Operator | Sep 2004 |
| 16361 | Lawrence Hot Oil Service | Loco, OK 73442 | Oil & Gas Operator | Mar 2026 |
| 16362 | Lawrence James LLC | Guthrie, OK 73044-9622 | Oil & Gas Operator | Feb 2026 |
| 16363 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 16364 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 16365 | Lawrence Roy Drilling Co Inc | Pawnee, OK 74058-0306 | Oil & Gas Operator | Aug 2000 |
| 16366 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | Mar 2026 |
| 16367 | Lawrence, C. F. & Assoc. Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Jun 2026 |
| 16368 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Sep 2025 |
| 16369 | Laws Exploration LLC | Mineral Wells, TX 76067 | Oil & Gas Operator | Jun 2026 |
| 16370 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16371 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16372 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16373 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16374 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16375 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16376 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Jan 2026 |
| 16377 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16378 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16379 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16380 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16381 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16382 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16383 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16384 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | Jan 2026 |
| 16385 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16386 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16387 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16388 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16389 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Feb 2026 |
| 16390 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Dec 2025 |
| 16391 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Oct 2025 |
| 16392 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Jun 2026 |
| 16393 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 16394 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 16395 | Layton Oil Co | | Oil Operator | Feb 1994 |
| 16396 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 16397 | Lazarus Operating, LLC | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 16398 | Lazer Petroleum | | Oil Operator | Jan 1993 |
| 16399 | LB Exploration, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Nov 2025 |
| 16400 | LBJ Drilling Co Inc | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2024 |