| 3601 | Lightner Harry A | Cleveland, OK 74020 | Oil & Gas Operator | May 2013 |
| 3602 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 3603 | Lil Dab Petroleum Inc | Duncan, OK 73533 | Oil Operator | Dec 2024 |
| 3604 | Lil-Mor Oil Company | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 3605 | Lillard Pipe & Supply Inc | Shawnee, OK 74802-0847 | Oil & Gas Operator | Nov 2014 |
| 3606 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 3607 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 3608 | Lime Rock Resources III-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2025 |
| 3609 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 3610 | Limestone Exploration II, LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2019 |
| 3611 | Limestone Productions | Bartlesville, OK 74006-8229 | Oil & Gas Operator | Sep 2013 |
| 3612 | Linam Harry Dba Sooner State Production | Marlow, OK 73055-0583 | Oil & Gas Operator | Apr 2015 |
| 3613 | Linam Richard Dwayne | Marlow, OK 73055-8658 | Oil Operator | Nov 2024 |
| 3614 | Lincoln 77, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 3615 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
| 3616 | Lincoln Tank Truck Service Inc | Stroud, OK 74079-0662 | Oil & Gas Operator | May 2013 |
| 3617 | Lincoln Ventures LLC | Inola, OK 74036-5035 | Oil & Gas Operator | Jan 2025 |
| 3618 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Aug 2024 |
| 3619 | Lindner Gary Dba JH Field Service | Lenapah, OK 74042 | Oil Operator | Dec 2024 |
| 3620 | Link Oil Company (The) | Tulsa, OK 74103-4113 | Oil & Gas Operator | Jan 2014 |
| 3621 | Linn Mid-Continent Operating Inc | Houston, TX 77002-3018 | Oil & Gas Operator | Jun 2016 |
| 3622 | Lion Petroleum Company | Oklahoma City, OK 73120-4503 | Oil & Gas Operator | Aug 2015 |
| 3623 | Liston V Dean | Nowata, OK 74048-5200 | Oil & Gas Operator | Nov 2016 |
| 3624 | Litsey Exploration LLC | | Oil & Gas Operator | Dec 2024 |
| 3625 | Little Bear Oil & Gas Co LTD | Boca Rotan, FL 33431 | Oil & Gas Operator | Jan 1997 |
| 3626 | Little Bear Resources LLC | Stillwater, OK 74074-1388 | Oil & Gas Operator | Feb 2013 |
| 3627 | Little Chicago Oil & Gas Inc | Edmond, OK 73034-0809 | Oil & Gas Operator | Dec 2017 |
| 3628 | Little Chief Energy Corporation | Independence, KS 67301 | Oil Operator | Dec 2024 |
| 3629 | Little O Oil Company | Velma, OK 73091-0425 | Oil & Gas Operator | Apr 2015 |
| 3630 | Little Oil Company LLC | Cushing, OK 74020 | Oil Operator | Dec 2024 |
| 3631 | Little River Energy Company | Drumright, OK 74030 | Oil & Gas Operator | Dec 2024 |
| 3632 | Little Thunder, LLC | Bartlesville, OK 74003 | Oil Operator | Dec 2024 |
| 3633 | Littrell Chemical Inc | Cleo Springs, OK 73729 | Oil & Gas Operator | Jan 2005 |
| 3634 | Litzenberger Exploration | Waynoka, OK 73860 | Oil & Gas Operator | Jul 1996 |
| 3635 | Litzenberger Exploration Inc | Waynoka, OK 73860 | Oil & Gas Operator | Jan 2025 |
| 3636 | LMR Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Sep 1998 |
| 3637 | Lo-Jel Energy LLC | Oklahoma City, OK 73162-7418 | Oil & Gas Operator | Nov 2019 |
| 3638 | Lobar Oil Co LLC | Oklahoma City, OK 73116-1516 | Oil & Gas Operator | Dec 2024 |
| 3639 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 3640 | Lobo Exploration Company | Yukon, OK 73099 | Oil & Gas Operator | Dec 2024 |
| 3641 | Lobo Petroleum Inc | Guymon, OK 73942-0714 | Oil Operator | Jul 2016 |
| 3642 | Locators Oil And Gas Inc | Guthrie, OK 73044 | Oil & Gas Operator | Oct 2022 |
| 3643 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 3644 | Locke Stock & Barrel Res Inc | Calgary, AB T2P3G | Oil Operator | Nov 1998 |
| 3645 | Locklin Exp & Prod Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2011 |
| 3646 | Loco Oil Company | Loco, OK 73442 | Oil Operator | Feb 1993 |
| 3647 | Lodestone Operating, Inc. | Portland, TX 78374 | Oil & Gas Operator | Mar 2025 |
| 3648 | Loftis Bobby Lee Rev Trust | Holdenville, OK 74848 | Oil & Gas Operator | Jun 2022 |
| 3649 | Logan Productions LLC | Wewoka, OK 74884 | Oil Operator | Dec 2024 |
| 3650 | Loki Oil LLC | Cushing, OK 74023 | Oil & Gas Operator | Nov 2024 |
| 3651 | Loman Linda Gann | Norman, OK 73069-6548 | Oil Operator | Apr 2011 |
| 3652 | London William W | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2015 |
| 3653 | London William W Inc | Oklahoma City, OK 73116-5116 | Oil & Gas Operator | Apr 2016 |
| 3654 | Lone Star Resources Company | Keyes, OK 73947 | Oil & Gas Operator | Mar 2015 |
| 3655 | Lone Tree Oil & Gas LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Mar 2025 |
| 3656 | Long Engineering Company Inc | Oklahoma City, OK 73112-7769 | Oil Operator | Jun 2008 |
| 3657 | Long George L | San Antonio, TX 78209 | Oil & Gas Operator | Feb 1996 |
| 3658 | Long John P Jr | Pawhuska, OK 74056 | Oil & Gas Operator | Dec 2024 |
| 3659 | Long Phillip C | Muskogee, OK 74403 | Oil & Gas Operator | May 2013 |
| 3660 | Long Production LLC | Claremore, OK 74017-2808 | Oil & Gas Operator | Oct 2019 |
| 3661 | Long Resources Inc | San Antonio, TX 78230-2890 | Oil & Gas Operator | Jan 2025 |
| 3662 | Long Royalty Company | Yukon, OK 73085 | Oil & Gas Operator | Jan 2004 |
| 3663 | Long SR John | Avant, OK 74001 | Oil Operator | Dec 2024 |
| 3664 | Long, James A | | Oil Operator | Aug 2000 |
| 3665 | Longacre Oil & Gas | Enid, OK 73702 | Oil & Gas Operator | Mar 2013 |
| 3666 | Longacre-Moore Oil Co | | Oil & Gas Operator | Jun 1996 |
| 3667 | Longberry Energy Inc | Keota, OK 74941 | Gas Operator | Jan 2025 |
| 3668 | Longbranch Oil Company | Oklahoma City, OK 73154-0735 | Oil & Gas Operator | Mar 2018 |
| 3669 | Longfellow Energy, LP | Dallas, TX 75225 | Oil & Gas Operator | Mar 2025 |
| 3670 | Longhurst Oil & Gas Inc | | Oil & Gas Operator | Nov 2013 |
| 3671 | Longview Production Company | Dallas, TX 75243-3795 | Oil & Gas Operator | Dec 2024 |
| 3672 | Lonnie Ware | Wynona, OK 74084 | Oil & Gas Operator | Dec 2024 |
| 3673 | Lord Enterprises Inc | Oklahoma City, OK 73106-5050 | Oil & Gas Operator | Sep 2000 |
| 3674 | Lorentz Oil & Gas LLC | Edmond, OK 73034-7266 | Oil & Gas Operator | Dec 2024 |
| 3675 | Loto Energy LLC | Saint Louis, MO 63105 | Oil & Gas Operator | Dec 2024 |
| 3676 | Lou Dennis Oil Company Inc | Ada, OK 74820-2303 | Oil & Gas Operator | Jun 2016 |
| 3677 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
| 3678 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 3679 | Loutex Energy, Inc. | Shrevesport, LA 71101 | Oil & Gas Operator | Apr 1992 |
| 3680 | Lovell Keith | Stillwater, OK 74074-6459 | Oil & Gas Operator | Jan 2020 |
| 3681 | Loving Company (The) | Broken Arrow, OK 74014-0001 | Oil & Gas Operator | May 2013 |
| 3682 | Lowe Kenneth | Jennings, OK 74038 | Oil & Gas Operator | Feb 2023 |
| 3683 | Lowery Roger | Duncan, OK 73534-0040 | Oil & Gas Operator | Sep 2012 |
| 3684 | Lowry Exploration Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2024 |
| 3685 | Loyalty Production, LLC | Marlow, OK 73055 | Oil Operator | Dec 2024 |
| 3686 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Nov 2024 |
| 3687 | Lre Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2016 |
| 3688 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 3689 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | Dec 2024 |
| 3690 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Jan 2025 |
| 3691 | Lubell Oil Company | Tulsa, OK 74103 | Gas Operator | Jul 1993 |
| 3692 | Lucky Ace Petroleum LLC | Carrollton, TX 75010-4232 | Oil Operator | Oct 2021 |
| 3693 | Lucky Four Oil & Gas Company | Sasakwa, OK 74867 | Oil & Gas Operator | Jan 2025 |
| 3694 | Lucky Oil Company | Comanche, OK 73529-0009 | Oil Operator | Dec 2024 |
| 3695 | Lucre Oil Company | Muskogee, OK 74401-5099 | Oil & Gas Operator | Jun 2019 |
| 3696 | Luke Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Dec 2024 |
| 3697 | Lunar Investments Inc | Oklahoma City, OK 73118-4823 | Oil & Gas Operator | Dec 2024 |
| 3698 | Lundy Linda Susan | Council Hill, OK 74428 | Oil Operator | Dec 2024 |
| 3699 | Luther Oil Inc | Cameron Park, CA 95682-8865 | Oil & Gas Operator | Apr 2020 |
| 3700 | Luween Energy LLC | Palisade, CO 81526 | Oil & Gas Operator | Dec 2024 |