| 16701 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16702 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16703 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16704 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16705 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16706 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16707 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Mar 2025 |
| 16708 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16709 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16710 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16711 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16712 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16713 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16714 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16715 | Layline Oil And Gas LLC | Marion, MI 49665 | Oil & Gas Operator | May 2025 |
| 16716 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16717 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16718 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16719 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16720 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Mar 2025 |
| 16721 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Oct 2024 |
| 16722 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Feb 2025 |
| 16723 | Layton Energy Inc. | Houston, TX 77027 | Oil & Gas Operator | Jul 2025 |
| 16724 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 16725 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 16726 | Layton Oil Co. | | Oil Operator | Feb 1994 |
| 16727 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 16728 | Lazarus Operating, LLC | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
| 16729 | Lazer Petroleum | | Oil Operator | Jan 1993 |
| 16730 | LBJ Drilling Co Inc | Martinsburg, OH 43037 | Oil & Gas Operator | Dec 2023 |
| 16731 | LBJ Energy Associates, LLC | Staunton,, VA 24402 | Oil & Gas Operator | Dec 2021 |
| 16732 | LBJ Production Inc | Okmulgee, OK 74447 | Oil Operator | Nov 1998 |
| 16733 | LBN Oil Co., Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | May 1998 |
| 16734 | Lbo Energy, Inc. | Kentfield, CA 94914 | Gas Operator | Nov 2002 |
| 16735 | Lbo New Mexico Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 16736 | Lboc, LLC | Norphlet, AR 71759 | Oil Operator | Dec 2024 |
| 16737 | LBTH Inc. | | Oil & Gas Operator | Apr 2025 |
| 16738 | LC Operating, LLC | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2025 |
| 16739 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | May 2025 |
| 16740 | LCT Energy, LP | Lewisville, AR 71845 | Oil & Gas Operator | Jul 2025 |
| 16741 | LCX Energy, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2010 |
| 16742 | LDD Energy LLC | | Oil & Gas Operator | Apr 2025 |
| 16743 | LDF Energy, LLC | Midland, TX 79707 | Oil & Gas Operator | Jul 2025 |
| 16744 | LDH Operating LLC | Wichita, KS 67278 | Oil Operator | Mar 2025 |
| 16745 | Ldo LLC | Skiatook, OK 74070 | Oil Operator | May 2025 |
| 16746 | LDX Operating Company, LLC. | Amarillo, TX 79102 | Oil & Gas Operator | Jul 2025 |
| 16747 | Le Bas Operating Company, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2000 |
| 16748 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 16749 | Le Norman Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2019 |
| 16750 | Le Norman Partners LLC | Duncan, OK 73533-9523 | Oil & Gas Operator | Feb 2012 |
| 16751 | Le Roy Central School | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 16752 | Lea Exploration, Inc. | | Oil & Gas Operator | Nov 1989 |
| 16753 | Leach Joseph L | Gallipolis, OH 45631 | Oil & Gas Operator | Dec 2023 |
| 16754 | Leach, D.L.,Jr. | Edna, TX 77957 | Gas Operator | Oct 2007 |
| 16755 | Leach, Elwood | Osawatomie, KS 66064 | Oil Operator | Dec 2009 |
| 16756 | Leaco Operating, LLC | Houston, TX 77056 | Oil Operator | May 2025 |
| 16757 | Leader Equities Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 16758 | Leading Edge Energy LLC | San Antonio, TX 78205 | Oil Operator | Jul 2025 |
| 16759 | Leads Resources, L.L.C. | | Oil & Gas Operator | Jan 2017 |
| 16760 | Leahy Oil, LLC | Arlington, TX 76006 | Oil Operator | Jul 2025 |
| 16761 | Leake Keith D | Winfield, KS 67156-8871 | Oil Operator | Apr 2004 |
| 16762 | Leake, Keith D.(Deceased) Estate | Derby, KS 67037 | Oil Operator | Mar 2003 |
| 16763 | Leali & Leali Oil Inc | Hermitage, PA 16148-9020 | Oil & Gas Operator | Dec 2016 |
| 16764 | Leaman Oil Company | Roland, OK 74954 | Oil & Gas Operator | Apr 2014 |
| 16765 | Lear Gas Transmission | | Oil Operator | Aug 1989 |
| 16766 | Lear Oil, LLC | Junction City, KY 40440 | Oil Operator | Dec 2023 |
| 16767 | Lear Petroleum Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2015 |
| 16768 | Lear Petroleum E | | Oil & Gas Operator | Jan 1986 |
| 16769 | Lear Petroleum Exploration | | Oil & Gas Operator | Jul 2013 |
| 16770 | Lear Petroleum Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Aug 1999 |
| 16771 | Learning Disabilities Association Of Wny | Buffalo, NY 14214 | Gas Operator | Dec 2024 |
| 16772 | Lease Holders Acquisitions LLC | Yukon, OK 73099 | Gas Operator | Jul 2025 |
| 16773 | Lease Management Inc | | Oil & Gas Operator | May 2025 |
| 16774 | Lease Management Inc And McClure Oil Co | | Oil & Gas Operator | Apr 1991 |
| 16775 | Lease Management Inc And Patrick Petroleum Corp | | Oil & Gas Operator | Apr 1991 |
| 16776 | Leasehold Management Corp | Oklahoma City, OK 73107 | Oil & Gas Operator | Nov 2024 |
| 16777 | Leasing & Develo | | Oil & Gas Operator | Feb 1993 |
| 16778 | Leasing & Development, Inc. | Wichita, KS 67202 | Oil Operator | Jun 2022 |
| 16779 | Leatherman Creek, Inc. | | Oil Operator | Jul 2001 |
| 16780 | Leatherneck Energy Group Inc | Addison, TX 75001-6025 | Oil & Gas Operator | Apr 2020 |
| 16781 | Leatherwood, LLC | Canonsburg, PA 15317-6506 | Oil & Gas Operator | Dec 2023 |
| 16782 | Leavell Resource | | Oil Operator | Dec 1993 |
| 16783 | Leavell Resources Corporation | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 16784 | Leben Corp. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2011 |
| 16785 | Leben Drilling I | | Oil & Gas Operator | Dec 1988 |
| 16786 | Leben Oil Corpor | | Oil & Gas Operator | Apr 1991 |
| 16787 | Leben Theodore I | | Oil & Gas Operator | Dec 1995 |
| 16788 | Leben* Theodore I Dba Leben Oil Companies | | Oil Operator | Jun 2002 |
| 16789 | Leboeuf MFG Inc | Waterford, PA 16441-0458 | Gas Operator | Dec 1990 |
| 16790 | Lebosquet Gas Operations, LLC | Wichita, KS 67202 | Gas Operator | Mar 2025 |
| 16791 | Lebosquet John R | | Gas Operator | Dec 1994 |
| 16792 | Lebosquet, John W. | Wichita, KS 67202 | Gas Operator | Mar 2025 |
| 16793 | Lebow, Marvin E. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1997 |
| 16794 | Lebsack Oil Prod | | Oil & Gas Operator | Nov 1995 |
| 16795 | Lebsack Oil Production Inc. | Stafford, KS 67578 | Oil & Gas Operator | Mar 2025 |
| 16796 | Lebsack, James S. | Denver, CO 80222 | Oil Operator | Sep 1998 |
| 16797 | Lebus Oilfield Service Co | | Oil Operator | Sep 2009 |
| 16798 | Leclair Operating Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Jul 2025 |
| 16799 | Leclair Operating, L.L.C. | Abilene, TX 79602 | Oil & Gas Operator | Jul 2025 |
| 16800 | Leclair-Westwood Inc | | Oil & Gas Operator | Mar 1982 |