| 16301 | Lamar Matlock | | Oil Operator | Jul 2024 |
| 16302 | Lamar Oil & Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 16303 | Lamar Oil & Gas Exploration | | Gas Operator | Oct 2013 |
| 16304 | Lamar Oil & Gas, Inc. | Rockport, TX 78381 | Oil & Gas Operator | Nov 2024 |
| 16305 | Lamar Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Oct 2015 |
| 16306 | Lamar Smith | | Oil Operator | Aug 1991 |
| 16307 | Lamarsa Corp. | Cut Bank, MT 59427 | Oil & Gas Operator | Aug 2024 |
| 16308 | Lamay Corporation | Rosenberg, TX 77471 | Oil & Gas Operator | Nov 2024 |
| 16309 | Lamb & Mize | Azle, TX 76020 | Oil & Gas Operator | Nov 2024 |
| 16310 | Lamb Alan L | Oklahoma City, OK 73120-7824 | Oil & Gas Operator | Feb 2020 |
| 16311 | Lamb, James L., Jr. | Austin, TX 78750 | Oil & Gas Operator | Mar 2016 |
| 16312 | Lamb, William Michael | Smithville, WV 26178 | Oil & Gas Operator | Dec 2021 |
| 16313 | Lambda Energy Resources LLC | | Oil & Gas Operator | Aug 2024 |
| 16314 | Lambdin William H | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 1998 |
| 16315 | Lambeck Petroleum, LLC | Stockdale, TX 78160 | Oil Operator | Nov 2024 |
| 16316 | Lamberd, Clayton | Olathe, KS 66061 | Oil Operator | Jun 2024 |
| 16317 | Lambert Company LLC | Healdton, OK 73438-0962 | Oil & Gas Operator | Sep 2024 |
| 16318 | Lambert Company The | Healdton, OK 73438-0962 | Oil & Gas Operator | Feb 2023 |
| 16319 | Lamberton Oil Co Inc | Tulsa, OK 74107 | Oil & Gas Operator | May 2013 |
| 16320 | Lamberton W J | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2015 |
| 16321 | Lamco Oil, LLC | Nocona, TX 76255 | Oil & Gas Operator | Nov 2024 |
| 16322 | Lamima Corporation | Ardmore, OK 73401 | Oil Operator | Nov 1994 |
| 16323 | Lamkin Oil Company | Stephens, AR 71764 | Oil Operator | Jul 2024 |
| 16324 | Lamkin Production Company, LLC | Stephens, AR 71764 | Oil Operator | Jul 2024 |
| 16325 | Laml Compaines LLC | Cleveland, OK 74020 | Oil Operator | Sep 2024 |
| 16326 | Lammerts Robert P | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2002 |
| 16327 | Lampert Exploration Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 16328 | Lamson Petroleum Corporation | | Oil & Gas Operator | Mar 1993 |
| 16329 | Lamson/Crocker Petroleum Corp. | | Oil & Gas Operator | May 1988 |
| 16330 | Lamson/Onshore Petroleum Corp. | | Oil & Gas Operator | Sep 1985 |
| 16331 | Lan Ma'S Oil And Gas LLC | Sugar Land, TX 77479 | Oil Operator | Sep 2024 |
| 16332 | Lancaster, Randy L. Dba Heritage Oil & Gas | Middlebourne, WV 26149 | Oil & Gas Operator | Dec 2021 |
| 16333 | Lance Gas & Oil Productions | | Oil & Gas Operator | Jul 2024 |
| 16334 | Lance Leasing | Odessa, TX 79765 | Oil Operator | Nov 2024 |
| 16335 | Lance Oil & Gas Company Inc | Kirtland, NM 87417 | Oil & Gas Operator | Mar 2013 |
| 16336 | Lance Oil & Gas Productions | Bloomburg, TX 75556 | Oil & Gas Operator | Nov 2024 |
| 16337 | Lance Ruffel Oil & Gas LLC | Oklahoma City, OK 73102-5632 | Oil & Gas Operator | Sep 2024 |
| 16338 | Lancer Energy Corporation | Oklahoma City, OK 73132-5903 | Oil & Gas Operator | May 2015 |
| 16339 | Lancer Oil, Inc. | Piqua, KS 66761 | Oil Operator | May 2005 |
| 16340 | Lancer Petroleum Corporation | Irving, TX 75014 | Oil & Gas Operator | Feb 2014 |
| 16341 | Lancer Resources Company | | Oil & Gas Operator | Jan 1998 |
| 16342 | Lanco Oil & Gas, Inc. | Richland, TX 76681 | Oil & Gas Operator | Jan 1998 |
| 16343 | Land & Natural Res. Dev., Inc. | | Oil & Gas Operator | Apr 2007 |
| 16344 | Land And Natural Resource Development, Inc. | Northport, AL 35473 | Oil & Gas Operator | Jun 2024 |
| 16345 | Land, Cleatus H. Estate | Seguin, TX 78155 | Oil & Gas Operator | Mar 2001 |
| 16346 | Landaplenty, LLC | Glenville, WV 26351 | Oil & Gas Operator | Dec 2021 |
| 16347 | Landers & Musgrove | Okemah, OK 74859 | Oil & Gas Operator | Mar 2015 |
| 16348 | Landers & Musgrove Oil Co. Inc | Okemah, OK 74859-0266 | Oil & Gas Operator | Jan 2018 |
| 16349 | Landers & Waldman Inc | Okemah, OK 74859-0660 | Oil & Gas Operator | May 2013 |
| 16350 | Landers Oil & Gas Inc | Tulsa, OK 74132-2171 | Oil & Gas Operator | Aug 2024 |
| 16351 | Landers Production Company | Granite, OK 73547-0093 | Oil Operator | Apr 2014 |
| 16352 | Landes Explorati | | Oil Operator | Apr 1995 |
| 16353 | Landes, P. Todd, Jr. | Magnolia, AR 71753 | Oil Operator | Apr 1988 |
| 16354 | Landis, Andrew J. And Athanasia | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 16355 | Landmark 4 LLC | Dalton, OH 44618-1111 | Oil & Gas Operator | Dec 2023 |
| 16356 | Landmark Drilling, L.L.C. | Waskom, TX 75692 | Oil Operator | Nov 2024 |
| 16357 | Landmark Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Sep 2024 |
| 16358 | Landmark Exploration Co | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2013 |
| 16359 | Landmark Exploration Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Nov 2024 |
| 16360 | Landmark Ip, LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 16361 | Landmark Oil & G | | Oil Operator | Nov 1987 |
| 16362 | Landmark Oil Exp | | Oil Operator | Sep 1994 |
| 16363 | Landmark Operating Company | Welty, OK 74833-3923 | Oil Operator | Aug 2015 |
| 16364 | Landmark Production Company | MC Gregor, TX 76657 | Oil & Gas Operator | Oct 2010 |
| 16365 | Landmark Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jul 2024 |
| 16366 | Landmark Venture Group No. 1, Inc. | | Oil & Gas Operator | Jul 2024 |
| 16367 | Landmark Venture Group, Inc. | | Oil Operator | Dec 2008 |
| 16368 | Landmaster Partners, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Nov 2024 |
| 16369 | Landmen Of Texas | Hondo, TX 78861 | Oil Operator | Feb 2007 |
| 16370 | Landmen Of Texas, Inc. | Hondo, TX 78861 | Oil Operator | Dec 2016 |
| 16371 | Landor Oil Co. | San Marcos, TX 78666 | Oil Operator | Nov 2024 |
| 16372 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 16373 | Landprovest Inc | Cambridge, OH 43725-858-858 | Oil & Gas Operator | Dec 1993 |
| 16374 | Landreth, Robert E. | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 16375 | Landrick O & G Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Nov 2024 |
| 16376 | Landrum Petroleum Co., Inc. | Burkburnett, TX 76354 | Oil Operator | Mar 2008 |
| 16377 | Landrum West, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 1997 |
| 16378 | Landrum, W. A. | Byers, TX 76357 | Oil & Gas Operator | Apr 2002 |
| 16379 | Lane Oil Company, LLC | Northern Cambria, PA 15714 | Oil Operator | Dec 2023 |
| 16380 | Lane Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2024 |
| 16381 | Lane, Lloyd L. | Buffalo, TX 75831 | Oil Operator | Nov 2024 |
| 16382 | Laneer Resources Company | Abilene, TX 79608 | Oil & Gas Operator | Nov 2024 |
| 16383 | Lanexco, Inc. | Sealy, TX 77474 | Oil & Gas Operator | Nov 2024 |
| 16384 | Lanford Drilling Co., Inc. | | Oil Operator | Jun 1996 |
| 16385 | Lang Herman Oil | | Oil & Gas Operator | Dec 1996 |
| 16386 | Lang Larry D | Beverly, OH 45715 | Oil & Gas Operator | Dec 2023 |
| 16387 | Lang, Herman - Marital Trust | Garden City, KS 67846 | Oil & Gas Operator | Jul 2024 |
| 16388 | Lang, Kenneth R. | Garden City, KS 67846 | Oil & Gas Operator | Jul 2024 |
| 16389 | Langasco Energy Corp | Alliance, OH 44601 | Oil & Gas Operator | Dec 1987 |
| 16390 | Langford Production Company, LLC | Haskell, TX 79521 | Oil & Gas Operator | Nov 2024 |
| 16391 | Langford, G. E. | Abilene, TX 79604 | Oil & Gas Operator | Jan 2002 |
| 16392 | Langford, R. C. Operating Co. | Rule, TX 79547 | Oil & Gas Operator | Mar 1994 |
| 16393 | Langham Petroleum Expl. Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2009 |
| 16394 | Langley Energy | Euless, TX 76040 | Gas Operator | Jan 2016 |
| 16395 | Langley Harold | Graham, OK 73437 | Oil Operator | Aug 2024 |
| 16396 | Langley, James Operating Company, Inc | Smackover, AR 71762 | Oil & Gas Operator | Jul 2024 |
| 16397 | Langley, Jerry Oil Company LLC | Smackover, AR 71762 | Oil Operator | Jul 2024 |
| 16398 | Langston Oil & Gas LLC | Wichita, KS 67202 | Oil Operator | Jul 2024 |
| 16399 | Lankford & Nance | | Gas Operator | Dec 2010 |
| 16400 | Lankford Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Jul 1999 |