| 3501 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 3502 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | Dec 2024 |
| 3503 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | May 2025 |
| 3504 | Lubell Oil Company | Tulsa, OK 74103 | Gas Operator | Jul 1993 |
| 3505 | Lucky Ace Petroleum LLC | Carrollton, TX 75010-4232 | Oil Operator | Oct 2021 |
| 3506 | Lucky Four Oil & Gas Company | Sasakwa, OK 74867 | Oil & Gas Operator | May 2025 |
| 3507 | Lucky Oil Company | Comanche, OK 73529-0009 | Oil Operator | Dec 2024 |
| 3508 | Lucre Oil Company | Muskogee, OK 74401-5099 | Oil & Gas Operator | Jun 2019 |
| 3509 | Luke Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Apr 2025 |
| 3510 | Lunar Investments Inc | Oklahoma City, OK 73118-4823 | Oil & Gas Operator | May 2025 |
| 3511 | Lundy Linda Susan | Council Hill, OK 74428 | Oil Operator | Apr 2025 |
| 3512 | Luther Oil Inc | Cameron Park, CA 95682-8865 | Oil & Gas Operator | Apr 2020 |
| 3513 | Luween Energy LLC | Oklahoma City, OK 73128 | Oil & Gas Operator | Apr 2025 |
| 3514 | Lvi Enterprises Trust | Plano, TX 75093-7789 | Oil & Gas Operator | Nov 2014 |
| 3515 | LVM Oil Production LLC | Yale, OK 74085-6688 | Oil & Gas Operator | Jul 2021 |
| 3516 | LX4, LLC | Laverne, OK 73848 | Oil Operator | May 2025 |
| 3517 | LXS Inc | Stigler, OK 74462-0506 | Gas Operator | Nov 2013 |
| 3518 | Lyda Gerald SR X Bar Ranch | San Antonio, TX 78268-0907 | Oil & Gas Operator | Feb 1994 |
| 3519 | Lynan Energy Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2013 |
| 3520 | Lynn William R | Pawhuska, OK 74056 | Oil & Gas Operator | May 2013 |
| 3521 | Lynx Energy Company, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
| 3522 | Lynx Oklahoma Operating LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 3523 | Lynx Operating Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jul 2025 |
| 3524 | Lyon Energy, Inc. | Plano, TX 75075 | Oil & Gas Operator | Feb 2000 |
| 3525 | Lyon Hoyle | Sasakwa, OK 74867 | Oil Operator | Feb 2025 |
| 3526 | Lyons & Lyons Inc | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2025 |
| 3527 | Lyric Energy, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Mar 1996 |
| 3528 | M & D Oil & Gas | Levelland, TX 79336 | Oil & Gas Operator | Aug 2000 |
| 3529 | M & D Pumping Service Inc | Ringwood, OK 73768-3415 | Oil & Gas Operator | Oct 2024 |
| 3530 | M & H Enterprises | Bartlesville, OK 74006-5504 | Oil & Gas Operator | Jan 2013 |
| 3531 | M & M Exploration, Inc. | Westminster, CO 80031 | Oil & Gas Operator | May 2025 |
| 3532 | M & M Petroleum Company | Mannford, OK 74044-0462 | Oil Operator | Apr 2020 |
| 3533 | M & S Oil Company | Lawrenceburg, IN 47025-8675 | Oil & Gas Operator | Aug 2000 |
| 3534 | M & S Operating LLC | Oklahoma City, OK 73112 | Oil Operator | Mar 1999 |
| 3535 | M & T Production Company LLC | Tulsa, OK 74132-3742 | Oil Operator | Apr 2011 |
| 3536 | M And V Resources Inc | Crescent, OK 73028 | Oil & Gas Operator | Apr 2025 |
| 3537 | M E Booth Corporation | Ada, OK 74820 | Oil Operator | Apr 2025 |
| 3538 | M E Klein & Associates LLC | Washington, OK 73093-4663 | Oil & Gas Operator | May 2025 |
| 3539 | M G Energy LLC | Cushing, OK 74023 | Oil Operator | Apr 2025 |
| 3540 | M H Oil & Gas LLC | Okeene, OK 73763-0684 | Oil & Gas Operator | Feb 2013 |
| 3541 | M J M D Inc | Burlington, IA 52601 | Oil Operator | Jan 2013 |
| 3542 | M K W Inc | Oklahoma City, OK 73112-8884 | Oil & Gas Operator | Dec 2009 |
| 3543 | M M Energy, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Apr 2025 |
| 3544 | M M Resources, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2018 |
| 3545 | M T W Oil Co | Terral, OK 73569 | Oil Operator | Jun 2014 |
| 3546 | M-B Operating Co., Inc. | Rowlett, TX 75030 | Oil & Gas Operator | Jul 2025 |
| 3547 | M-B SWD Inc | Crescent, OK 73028-0533 | Oil Operator | Jul 1997 |
| 3548 | M-P Petroleum Inc | McPherson, KS 67460 | Oil & Gas Operator | Jan 2013 |
| 3549 | M-S-C Corporation | Houston, TX 77027 | Oil Operator | May 1994 |
| 3550 | M. M. & M. Resources, Inc. | Wetumka, OK 74883 | Oil & Gas Operator | Apr 2020 |
| 3551 | M. S. Productions, Inc. | Pittsburg, KS 66762 | Oil & Gas Operator | Nov 2019 |
| 3552 | M.T. Oil Co. | Copan, OK 74022 | Oil Operator | Apr 2025 |
| 3553 | M3V Energy, LLC | Perryton, TX 79070 | Oil & Gas Operator | Jul 2025 |
| 3554 | Mac Engineering & Operating Co | | Oil & Gas Operator | May 2005 |
| 3555 | Mach Petroleum, Inc. | Tulsa, OK 74153 | Oil & Gas Operator | Nov 2014 |
| 3556 | Mack Energy Co. | Duncan, OK 73534 | Oil & Gas Operator | May 2025 |
| 3557 | Mack Oil Company | Duncan, OK 73534 | Oil & Gas Operator | Nov 2000 |
| 3558 | Mackellar Inc | Oklahoma City, OK 73116-7101 | Oil & Gas Operator | May 2025 |
| 3559 | Mackey Consulting & Leasing LLC | Cleveland, OK 74020 | Oil & Gas Operator | Apr 2025 |
| 3560 | Macmart Inc | Wynnewood, OK 73098 | Oil & Gas Operator | Jan 2016 |
| 3561 | Macro Oil Company | Bartlesville, OK 74006 | Oil Operator | Aug 1999 |
| 3562 | Magaw & Zimmer | Perry, OK 73077-1055 | Oil & Gas Operator | Aug 2013 |
| 3563 | Magellan Exploration Co LTD | Bethany, OK 73008-0909 | Oil & Gas Operator | Jun 2014 |
| 3564 | Maggard Joe | Mannford, OK 74044 | Oil & Gas Operator | May 2023 |
| 3565 | Maggard Oil Co Inc | Manford, OK 74044 | Oil & Gas Operator | Sep 1997 |
| 3566 | Maggard Supply & Oil Company | Mannford, OK 74044-1407 | Oil & Gas Operator | Nov 2014 |
| 3567 | Maggard VIrginia J | Mannford, OK 74044-3027 | Oil Operator | Apr 2025 |
| 3568 | Magic Investments LLC | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 3569 | Magma Resources LLC | Paoli, OK 73074 | Oil & Gas Operator | Apr 2025 |
| 3570 | Magnatex Corp | Midland, TX 79702-1311 | Oil & Gas Operator | Feb 1995 |
| 3571 | Magnolia Petroleum Inc | Tulsa, OK 74106-2433 | Oil Operator | Jun 2018 |
| 3572 | Magnum Energy Inc | Norman, OK 73072-2403 | Oil & Gas Operator | May 2025 |
| 3573 | Magnum Petroleum, Inc. | Palm Desert, CA 92260 | Oil & Gas Operator | Nov 2013 |
| 3574 | Maguire James Q Inc | Norman, OK 73070-1748 | Oil & Gas Operator | Jun 2011 |
| 3575 | Maguire Oil Company | Dallas, TX 75270 | Oil & Gas Operator | Mar 2015 |
| 3576 | Mahan, Janet L | | Oil & Gas Operator | Apr 2025 |
| 3577 | Maier Resources Inc | Oklahoma City, OK 73157-2996 | Oil & Gas Operator | Mar 2015 |
| 3578 | Maintainer Energy Res Corp Inc | Morris, OK 74445-2663 | Oil Operator | Apr 2025 |
| 3579 | Majestic Energy Company LLC | Keifer, OK 74041 | Oil Operator | May 2025 |
| 3580 | Majestic Energy Corporation | Shreveport, LA 71164 | Oil & Gas Operator | May 2013 |
| 3581 | Majoil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1996 |
| 3582 | Major Oil Co LLC | Drumright, OK 74030 | Oil & Gas Operator | Apr 2020 |
| 3583 | Majors Eugene E | Holdenville, OK 74848-9603 | Oil & Gas Operator | Apr 2025 |
| 3584 | Majors Gary E | Holdenville, OK 74848-9603 | Oil & Gas Operator | Apr 2025 |
| 3585 | Majors Jimmy R | Osceola, NE 68651-0726 | Oil & Gas Operator | Sep 2000 |
| 3586 | Majors John Dba Majors Production Co | Weleetka, OK 74880 | Oil & Gas Operator | Apr 2025 |
| 3587 | Majors Michael | Holdenville, OK 74848-0531 | Oil & Gas Operator | Sep 1994 |
| 3588 | Majors, Linda K | | Oil Operator | Dec 2024 |
| 3589 | Malka Production Company | Oklahoma City, OK 73101-0248 | Oil & Gas Operator | Jan 2000 |
| 3590 | Mallard Oil & Gas | Cody, WY 82414-9640 | Oil & Gas Operator | Oct 2019 |
| 3591 | Mallorn Energy LLC | Edmond, OK 73034 | Oil & Gas Operator | Apr 2025 |
| 3592 | Maloney Helen V Dba Penn-Ok Corporation | Hockessin, DE 19707-9640 | Oil & Gas Operator | Dec 2024 |
| 3593 | Malpais Inc | Prague, OK 74864 | Gas Operator | Apr 2025 |
| 3594 | Malson Oil Company | Crawford, OK 73638 | Oil & Gas Operator | Dec 2016 |
| 3595 | Malvern Group Inc | Clearwater, FL 33758-6817 | Oil & Gas Operator | Mar 2005 |
| 3596 | Maly & Maly Oil | Beggs, OK 74421-2844 | Oil & Gas Operator | Apr 2025 |
| 3597 | Manis Oil & Gas Inc | Blanchard, OK 73010 | Oil & Gas Operator | Mar 2025 |
| 3598 | Manna Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Dec 2014 |
| 3599 | Mantex Inc | Tulsa, OK 74114-6234 | Oil & Gas Operator | Mar 2015 |
| 3600 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | May 2025 |