| 16301 | Lang Larry D | Beverly, OH 45715 | Oil & Gas Operator | Dec 2025 |
| 16302 | Lang, Herman - Marital Trust | Garden City, KS 67846 | Oil & Gas Operator | Mar 2026 |
| 16303 | Lang, Kenneth R. | Garden City, KS 67846 | Oil & Gas Operator | Mar 2026 |
| 16304 | Langasco Energy Corp | Alliance, OH 44601 | Oil & Gas Operator | Dec 1987 |
| 16305 | Langford & Brigham Operating LLC | Austin, TX 78730 | Oil & Gas Operator | Jul 2026 |
| 16306 | Langford Production Company, LLC | Haskell, TX 79521 | Oil & Gas Operator | Jul 2026 |
| 16307 | Langford, G. E. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2002 |
| 16308 | Langford, R. C. Operating Co. | Rule, TX 79547 | Oil & Gas Operator | Mar 1994 |
| 16309 | Langham Petroleum Expl. Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2009 |
| 16310 | Langley Energy | Euless, TX 76040 | Gas Operator | Jan 2016 |
| 16311 | Langley Harold | Graham, OK 73437 | Oil Operator | Apr 2026 |
| 16312 | Langley, James Operating Company, Inc | Smackover, AR 71762 | Oil & Gas Operator | Jan 2025 |
| 16313 | Langley, Jerry Oil Company LLC | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 16314 | Langston Oil & Gas LLC | Wichita, KS 67202 | Oil Operator | Mar 2026 |
| 16315 | Lankford & Nance | | Gas Operator | Dec 2010 |
| 16316 | Lankford Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Jul 1999 |
| 16317 | Lankford, Dan L. | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 16318 | Lanmarc Resources | | Oil Operator | Dec 2003 |
| 16319 | Lanoco, Inc. | | Oil & Gas Operator | Sep 2002 |
| 16320 | Lansden Operating Co LLC | Norman, OK 73070 | Oil & Gas Operator | Dec 1997 |
| 16321 | Lansing Energy C | | Oil Operator | Jun 2006 |
| 16322 | Lansing Energy Operations | Wichita, KS 67202 | Oil Operator | Apr 2010 |
| 16323 | Lap Energy Solutions LLC | Harper, TX 78631 | Oil Operator | Jul 2026 |
| 16324 | Lapco Oil & Gas Company | Houston, TX 77069 | Oil & Gas Operator | Oct 2015 |
| 16325 | Lapetco Inc | Plano, TX 75093 | Oil & Gas Operator | Aug 2024 |
| 16326 | Lapis Operating, Inc. | Houston, TX 77042 | Oil & Gas Operator | Jul 2015 |
| 16327 | Lappin Oil LLC | Douglas, WY 82633 | Oil & Gas Operator | Jun 2026 |
| 16328 | Laquey, E. C. | Refugio, TX 78377 | Oil & Gas Operator | Aug 2003 |
| 16329 | Lar-Mie Petroleum Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 1998 |
| 16330 | Larae Operations | Corpus Christ, TX 78413 | Oil Operator | Jul 2026 |
| 16331 | Laran Operating LLC | Dover, OK 73734-0057 | Oil & Gas Operator | Mar 2015 |
| 16332 | Larance Engineering Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Jan 1996 |
| 16333 | Larch Oil & Gas Corporation | Cross Lanes, WV 25313 | Oil & Gas Operator | Dec 2021 |
| 16334 | Larco Drilling & Exploration Corp. | | Oil & Gas Operator | Dec 1999 |
| 16335 | Larcom Mike | | Oil Operator | Feb 1987 |
| 16336 | Lardo, Anthony P. Jr. | Lakeview, NY 14085 | Gas Operator | Dec 2025 |
| 16337 | Laredo Energy | Houston, TX 77002 | Oil & Gas Operator | Jun 2016 |
| 16338 | Laredo Energy Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2022 |
| 16339 | Laredo Energy V, LP | Houston, TX 77024 | Oil & Gas Operator | Apr 2014 |
| 16340 | Laredo Energy, LP | Houston, TX 77040 | Oil & Gas Operator | Oct 2003 |
| 16341 | Laredo Petroleum - Dallas, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 2014 |
| 16342 | Laredo Petroleum, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2023 |
| 16343 | Large Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Jul 2026 |
| 16344 | Largo Oil Company | Longview, TX 75606 | Oil & Gas Operator | Jul 2026 |
| 16345 | Lariat Energy & Supply Co Inc | Hulbert, OK 74441 | Oil & Gas Operator | Feb 2026 |
| 16346 | Lariat Land & Exploration, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 2026 |
| 16347 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2024 |
| 16348 | Lariat Resources, LLC | Fort Worth, TX 76132 | Oil & Gas Operator | May 2022 |
| 16349 | Lario Oil & Gas | | Oil & Gas Operator | Nov 1995 |
| 16350 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Jul 2026 |
| 16351 | Larison Oil Company | Katy, TX 77494 | Oil & Gas Operator | Jul 2026 |
| 16352 | Lark Production, Inc. | | Oil & Gas Operator | Mar 2023 |
| 16353 | Larkin Energy Company Inc | Sasakwa, OK 74867 | Oil & Gas Operator | May 2022 |
| 16354 | Larkin Oil Co | Sasakwa, OK 74867 | Oil & Gas Operator | Aug 2015 |
| 16355 | Larkspur Operating LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | May 2026 |
| 16356 | Larmore Jr James E | Bartlesville, OK 74006-8312 | Oil Operator | Mar 2017 |
| 16357 | Laroca Resources, LTD | Austin, TX 78709 | Oil & Gas Operator | Jul 2026 |
| 16358 | Laroco LLP | Woodsboro, TX 78393 | Oil & Gas Operator | Mar 2008 |
| 16359 | Laron Oil Corporation | Seguin, TX 78155 | Oil & Gas Operator | Jul 1997 |
| 16360 | Larrette Resources | | Oil Operator | Nov 1999 |
| 16361 | Larron Energy Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2015 |
| 16362 | Larry A And Patricia D Jeter | Lovington, NM 88260 | Oil & Gas Operator | Apr 2000 |
| 16363 | Larry Brown Dba Brown Oil Company | Ardmore, OK 73401 | Oil Operator | Apr 2015 |
| 16364 | Larry E. Bedrosian | | Oil Operator | Dec 1999 |
| 16365 | Larry H Wright Inc | Naples, FL 34108-2156 | Oil & Gas Operator | Dec 1993 |
| 16366 | Larry Marker Dba Marker Oil | Roswell, NM 88202 | Oil & Gas Operator | Jul 2017 |
| 16367 | Larry Oil, Inc. | Albany, TX 76430 | Oil & Gas Operator | Nov 2001 |
| 16368 | Larry Sherman Oil LLC | Chandler, OK 74834 | Oil & Gas Operator | May 2026 |
| 16369 | Larry Wolff Dba Wolff'S Oilfield Service | Cushing, OK 74023-9789 | Oil & Gas Operator | Apr 2026 |
| 16370 | Larson Buford | | Oil Operator | May 2006 |
| 16371 | Larson Drilling Corp. | Jamestown, NY 14702 | Gas Operator | Dec 2025 |
| 16372 | Larson Exploration Company | Tulsa, OK 74136-4939 | Oil & Gas Operator | Jul 2016 |
| 16373 | Larson Operating | | Oil & Gas Operator | Mar 2001 |
| 16374 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 16375 | Larson, Perry L Operating Co Inc | Dallas, TX 75382 | Oil & Gas Operator | Feb 2021 |
| 16376 | Las Animas Production Company | Midland, TX 79705 | Oil & Gas Operator | Mar 1995 |
| 16377 | Las Colinas Oil Corp. | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 16378 | Las Palmas Petroleum Corp. | | Oil Operator | Dec 2010 |
| 16379 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
| 16380 | Lasalle Marine Corporation | Houston, TX 77056 | Oil Operator | Aug 2003 |
| 16381 | Lasater & Co, Inc. | Spearman, TX 79081 | Oil & Gas Operator | Jul 2026 |
| 16382 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 16383 | Laser Gas Company I, LLC | | Oil Operator | Aug 2007 |
| 16384 | Lashley Oil Company Inc | Walters, OK 73572 | Oil Operator | Dec 2014 |
| 16385 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 16386 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 16387 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 16388 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Mar 2026 |
| 16389 | Lasso Oil & Gas LLC | | Oil & Gas Operator | Jul 2022 |
| 16390 | Last Chance Operating LLC | Wortham, TX 76693 | Oil Operator | Nov 2025 |
| 16391 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 16392 | Last Dollar LLC | Big Lake, TX 76932 | Oil & Gas Operator | Jul 2026 |
| 16393 | Last Mile Production, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jul 2026 |
| 16394 | Last Run, LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 16395 | Laster Welding And Well Serv, Inc. | | Gas Operator | Jul 2020 |
| 16396 | Lastrada Oil And Gas LTD | | Oil & Gas Operator | May 1992 |
| 16397 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 16398 | Latexo Oil & Gas Co. | | Oil Operator | Sep 1986 |
| 16399 | Latexo Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Feb 1997 |
| 16400 | Latham & Bonner | | Oil Operator | Aug 1987 |