| 16501 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16502 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16503 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16504 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16505 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16506 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2024 |
| 16507 | Latigo Drilling Corporation | Duncan, OK 73533 | Oil & Gas Operator | Sep 2024 |
| 16508 | Latigo Oil And Gas Inc | Woodward, OK 73801 | Oil & Gas Operator | Sep 2024 |
| 16509 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16510 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Jul 2024 |
| 16511 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Dec 2024 |
| 16512 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16513 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16514 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | Sep 2024 |
| 16515 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16516 | Lauffer Oil Co Of Ky | | Oil Operator | Dec 2022 |
| 16517 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16518 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16519 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16520 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Aug 2024 |
| 16521 | Laurel Operating Company, Inc. | Stillwater, OK 74074-3025 | Oil & Gas Operator | Sep 2024 |
| 16522 | Lavaca Canyon Petroleum LLC | Houston, TX 77094 | Oil & Gas Operator | Dec 2024 |
| 16523 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Dec 2024 |
| 16524 | Lavanco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2006 |
| 16525 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 16526 | Laverty, Thomas R | | Oil & Gas Operator | Dec 2023 |
| 16527 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
| 16528 | Lavrco Energie Inc | Duncan, OK 73533 | Oil & Gas Operator | Jul 2024 |
| 16529 | Law E Edward | Newkirk, OK 74647-2056 | Oil Operator | Jul 2024 |
| 16530 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 16531 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 16532 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 16533 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 16534 | Lawco Exploration Inc | Bentonville, AR 72712 | Oil & Gas Operator | May 2024 |
| 16535 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Sep 2024 |
| 16536 | Lawco Osage Operating, LLC | Bentonville, AR 72712 | Oil & Gas Operator | Dec 2024 |
| 16537 | Lawlis Oil Company | Hamlin, TX 79520 | Oil & Gas Operator | Dec 2024 |
| 16538 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 16539 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 16540 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2022 |
| 16541 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | Dec 2024 |
| 16542 | Lawrence Exploration Inc | | Oil & Gas Operator | Sep 2004 |
| 16543 | Lawrence Hot Oil Service | Loco, OK 73442 | Oil & Gas Operator | Aug 2024 |
| 16544 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 16545 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 16546 | Lawrence Roy Drilling Co Inc | Pawnee, OK 74058-0306 | Oil & Gas Operator | Aug 2000 |
| 16547 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | Sep 2024 |
| 16548 | Lawrence, C. F. & Assoc. Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2024 |
| 16549 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Mar 2024 |
| 16550 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16551 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16552 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16553 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16554 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16555 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16556 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Jul 2024 |
| 16557 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16558 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16559 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16560 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16561 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16562 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16563 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16564 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | Sep 2024 |
| 16565 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16566 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16567 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16568 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16569 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Jul 2024 |
| 16570 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Jul 2024 |
| 16571 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Jul 2024 |
| 16572 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
| 16573 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 16574 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 16575 | Layton Oil Co. | | Oil Operator | Feb 1994 |
| 16576 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 16577 | Lazarus Operating, LLC | Kilgore, TX 75663 | Oil Operator | Dec 2024 |
| 16578 | Lazer Petroleum | | Oil Operator | Jan 1993 |
| 16579 | LBJ Drilling Co Inc | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2023 |
| 16580 | LBJ Energy Associates, LLC | Staunton,, VA 24402 | Oil & Gas Operator | Dec 2021 |
| 16581 | LBJ Production Inc | Okmulgee, OK 74447 | Oil Operator | Nov 1998 |
| 16582 | LBN Oil Co., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | May 1998 |
| 16583 | Lbo Energy, Inc. | Kentfield, CA 94914 | Gas Operator | Nov 2002 |
| 16584 | Lbo New Mexico Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 16585 | Lboc, LLC | Norphlet, AR 71759 | Oil Operator | May 2024 |
| 16586 | LBTH Inc. | | Oil & Gas Operator | Aug 2024 |
| 16587 | LC Operating, LLC | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2024 |
| 16588 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Sep 2024 |
| 16589 | LCT Energy, LP | Lewisville, AR 71845 | Oil & Gas Operator | Dec 2024 |
| 16590 | LCX Energy, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2010 |
| 16591 | LDD Energy LLC | | Oil & Gas Operator | Aug 2024 |
| 16592 | LDF Energy, LLC | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
| 16593 | LDH Operating LLC | Wichita, KS 67278 | Oil Operator | Jul 2024 |
| 16594 | Ldo LLC | Tulsa, OK 74137-3020 | Oil Operator | Sep 2024 |
| 16595 | LDX Operating Company, LLC. | Amarillo, TX 79102 | Oil & Gas Operator | Dec 2024 |
| 16596 | Le Bas Operating Company, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2000 |
| 16597 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 16598 | Le Norman Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2019 |
| 16599 | Le Norman Partners LLC | Duncan, OK 73533-9523 | Oil & Gas Operator | Feb 2012 |
| 16600 | Le Roy Central School | Le Roy, NY 14482 | Gas Operator | Dec 2023 |