| 16601 | Lightner Harry A | Cleveland, OK 74020 | Oil & Gas Operator | May 2013 |
| 16602 | Lightning Oil Co LTD | Mentor, OH 44060-4963 | Gas Operator | Dec 1998 |
| 16603 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | May 2024 |
| 16604 | Lightning Productions, Inc. | | Oil & Gas Operator | Mar 1990 |
| 16605 | Lignum Oil Company | | Oil & Gas Operator | Dec 1989 |
| 16606 | Likens, A | | Oil Operator | Dec 2022 |
| 16607 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 16608 | Likover Oil Company | Houston, TX 77024 | Oil & Gas Operator | Mar 2005 |
| 16609 | Lil Dab Petroleum Inc | Lake Havasu City, AZ 86405-1648 | Oil Operator | Jan 2024 |
| 16610 | Lil-Mor Oil Company | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 16611 | Lilis Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Aug 2017 |
| 16612 | Lillard Pipe & Supply Inc | Shawnee, OK 74802-0847 | Oil & Gas Operator | Nov 2014 |
| 16613 | Lilley, C.C., Inc. | Dallardsville, TX 77332 | Oil & Gas Operator | May 2024 |
| 16614 | Lillis, Michael D. | Midland, TX 79702 | Oil & Gas Operator | May 2024 |
| 16615 | Limark Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2003 |
| 16616 | Lime Creek Enterprises | Aztec, NM 87410 | Oil & Gas Operator | Aug 2008 |
| 16617 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 16618 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 16619 | Lime Rock Resources III-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2024 |
| 16620 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
| 16621 | Lime Rock Resources V-A, LP | | Oil & Gas Operator | Mar 2024 |
| 16622 | Limestone Exploration II, LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2019 |
| 16623 | Limestone Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2011 |
| 16624 | Limestone Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2002 |
| 16625 | Limestone Productions | Bartlesville, OK 74006-8229 | Oil & Gas Operator | Sep 2013 |
| 16626 | Limited Resources | Perryton, TX 79070 | Oil & Gas Operator | Aug 2003 |
| 16627 | Linam Harry Dba Sooner State Production | Marlow, OK 73055-0583 | Oil & Gas Operator | Apr 2015 |
| 16628 | Linam Richard Dwayne | Marlow, OK 73055-8658 | Oil Operator | Feb 2024 |
| 16629 | Linan Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | May 2024 |
| 16630 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | May 2024 |
| 16631 | Lincero LLC | Sinclair, WY 82334 | Oil Operator | Feb 2024 |
| 16632 | Linco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | May 2024 |
| 16633 | Lincoln 77, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 16634 | Lincoln Energy Corporation | Dennis, MA 02638 | Oil & Gas Operator | Dec 2021 |
| 16635 | Lincoln Energy Partners, LLC | Graham, TX 76450 | Oil Operator | May 2024 |
| 16636 | Lincoln MGMT Co | Greensburg, PA 15601-5200 | Oil & Gas Operator | Dec 2017 |
| 16637 | Lincoln Oil Well Service | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 16638 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
| 16639 | Lincoln Ventures LLC | | Oil & Gas Operator | Jan 2024 |
| 16640 | Lindell & Maney | Warren, PA 16365-3643 | Oil & Gas Operator | Dec 2008 |
| 16641 | Lindell & Maney LLC | Warren, PA 16365-3670 | Oil & Gas Operator | Dec 2023 |
| 16642 | Lindemann, James D. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 16643 | Lindemann, Robert Operating | Holliday, TX 76366 | Oil & Gas Operator | May 2024 |
| 16644 | Lindemann, W. L., DRLG. Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1994 |
| 16645 | Lindemann, W.L., Oper. Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2006 |
| 16646 | Lindenmuth & Associates | | Oil & Gas Operator | Aug 2001 |
| 16647 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Feb 2024 |
| 16648 | Lindenmuth & Associates, Etex | Austin, TX 78703 | Oil & Gas Operator | Jun 2002 |
| 16649 | Linder Energy/La General Oil | | Oil & Gas Operator | Mar 1989 |
| 16650 | Linder Oil Company | | Oil & Gas Operator | Apr 1985 |
| 16651 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | May 2024 |
| 16652 | Linder, John G. Jr. | Gladewater, TX 75647 | Oil & Gas Operator | Apr 2005 |
| 16653 | Linder, John Operating Co., LLC | Gladewater, TX 75647 | Oil & Gas Operator | May 2024 |
| 16654 | Lindholm Oil, Inc. | Mathis, TX 78368 | Gas Operator | Sep 2002 |
| 16655 | Lindley, J. R. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2002 |
| 16656 | Lindow Oil & Gas, LLC | Caldwell, TX 77836 | Oil & Gas Operator | May 2024 |
| 16657 | Lindsay Oil Operations | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2010 |
| 16658 | Lindsay, Dick | Graham, TX 76450 | Oil & Gas Operator | May 2015 |
| 16659 | Lindsay, Robert L. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 1995 |
| 16660 | Lindsey, W W | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2021 |
| 16661 | Lindstrom, Bruce C. | Sinclairville, NY 14782 | Gas Operator | Dec 2022 |
| 16662 | Line Energy LLC | Columbus, NE 68601 | Oil Operator | May 2024 |
| 16663 | Line, Jerry W., SR. | Tulsa, OK 74137 | Oil Operator | Nov 1996 |
| 16664 | Lineage Oil, LLC | Cary, NC 27512 | Oil Operator | Oct 2023 |
| 16665 | Link Oil Company (The) | Tulsa, OK 74103-4113 | Oil & Gas Operator | Jan 2014 |
| 16666 | Linkee Operating, Inc. | Sundown, TX 79372 | Oil Operator | Feb 2024 |
| 16667 | Linmar Energy Corporation | Denver, CO 80237 | Oil & Gas Operator | Oct 1987 |
| 16668 | Linmar Petroleum Company | Denver, CO 80237 | Oil & Gas Operator | Oct 1995 |
| 16669 | Linn Bros Oil & Gas Inc | Fruita, CO 81521 | Oil & Gas Operator | Mar 2024 |
| 16670 | Linn Mid-Continent Operating Inc | Houston, TX 77002-3018 | Oil & Gas Operator | Jun 2016 |
| 16671 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 16672 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 16673 | Linn Opr Inc | Indiana, PA 15701-8914 | Oil & Gas Operator | Dec 2007 |
| 16674 | Linn Opr LLC | Indiana, PA 15701-8914 | Gas Operator | Dec 2004 |
| 16675 | Linn Western Operating Inc. | | Oil & Gas Operator | Jan 2018 |
| 16676 | Linop Corporation | Austin, TX 78728 | Oil & Gas Operator | May 2024 |
| 16677 | Linville Natural Gas Co. Inc. | | Gas Operator | Sep 2000 |
| 16678 | Lio-1 Corporation | Las Vegas, NV 89116 | Oil Operator | Sep 2023 |
| 16679 | Lion Energy Co LLC | Wexford, PA 15090-6315 | Oil & Gas Operator | Dec 2014 |
| 16680 | Lion Oil & Gas Company LLC | | Oil & Gas Operator | Dec 1993 |
| 16681 | Lion Oil Company | Chanute, KS 66720 | Oil Operator | Dec 1986 |
| 16682 | Lion Petroleum Company | Oklahoma City, OK 73120-4503 | Oil & Gas Operator | Aug 2015 |
| 16683 | Lion Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 16684 | Lionheart Energy Corporation | Arlington, TX 76017 | Oil & Gas Operator | May 2024 |
| 16685 | Lipan Flats Production, L.L.C. | San Angelo, TX 76905 | Oil Operator | May 2024 |
| 16686 | Lippizan Petroleum, Inc. | Ellenboro, WV 26346 | Oil & Gas Operator | Dec 2023 |
| 16687 | Liquid Petroleum Resources, Inc. | Amarillo, TX 79120 | Gas Operator | May 2024 |
| 16688 | Lischer, Michael J. | Elma, NY 14059 | Gas Operator | Dec 2022 |
| 16689 | Lishberg Petroleum Inc | Jerusaleum, OH 43747 | Oil & Gas Operator | Dec 2022 |
| 16690 | Lissner, Lindy | Jourdanton, TX 78026 | Oil & Gas Operator | May 2024 |
| 16691 | Lissolo J W | Yuma, AZ 85365 | Oil & Gas Operator | Feb 2017 |
| 16692 | Lissolo Timothy C | Newcastle, WY 82701 | Oil Operator | Mar 2024 |
| 16693 | Liston V Dean | Nowata, OK 74048-5200 | Oil & Gas Operator | Nov 2016 |
| 16694 | Litan, David | Wichita, KS 67218 | Oil Operator | Jun 1990 |
| 16695 | Litchfield Production Co. | Nederland, TX 77627 | Oil & Gas Operator | May 2024 |
| 16696 | Lithos Exploration Inc | | Oil & Gas Operator | Nov 2014 |
| 16697 | Litsey Exploration LLC | | Oil & Gas Operator | Dec 2023 |
| 16698 | Little & Whyte Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Mar 2008 |
| 16699 | Little Bear Oil & Gas Co LTD | Boca Rotan, FL 33431 | Oil & Gas Operator | Jan 1997 |
| 16700 | Little Bear Resources LLC | Stillwater, OK 74074-1388 | Oil & Gas Operator | Feb 2013 |