| 17401 | Learning Disabilities Association Of Wny | Buffalo, NY 14214 | Gas Operator | Dec 2024 |
| 17402 | Lease Holders Acquisitions Inc | Yukon, OK 73099-6778 | Oil & Gas Operator | May 2022 |
| 17403 | Lease Holders Acquisitions LLC | Yukon, OK 73099 | Gas Operator | Feb 2026 |
| 17404 | Lease Management Inc | | Oil & Gas Operator | Dec 2025 |
| 17405 | Lease Management Inc And McClure Oil Co | | Oil & Gas Operator | Apr 1991 |
| 17406 | Lease Management Inc And Patrick Petroleum Corp | | Oil & Gas Operator | Apr 1991 |
| 17407 | Leasehold Management Corp | Oklahoma City, OK 73107 | Oil & Gas Operator | Nov 2024 |
| 17408 | Leasing & Develo | | Oil & Gas Operator | Feb 1993 |
| 17409 | Leasing & Development, Inc. | Wichita, KS 67202 | Oil Operator | Jun 2022 |
| 17410 | Leatherman Creek, Inc. | | Oil Operator | Jul 2001 |
| 17411 | Leatherneck Energy Group Inc | Addison, TX 75001-6025 | Oil & Gas Operator | Apr 2020 |
| 17412 | Leatherwood, LLC | Canonsburg, PA 15317-6506 | Oil & Gas Operator | Dec 2023 |
| 17413 | Leavell Resource | | Oil Operator | Dec 1993 |
| 17414 | Leavell Resources Corporation | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 17415 | Leben Corp. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2011 |
| 17416 | Leben Drilling I | | Oil & Gas Operator | Dec 1988 |
| 17417 | Leben Oil Corpor | | Oil & Gas Operator | Apr 1991 |
| 17418 | Leben Theodore I | | Oil & Gas Operator | Dec 1995 |
| 17419 | Leblanc, Michael A And Mary Kaye | Sedan, KS 67361 | Oil Operator | Aug 2025 |
| 17420 | Leboeuf MFG Inc | Waterford, PA 16441-0458 | Gas Operator | Dec 1990 |
| 17421 | Lebosquet Gas Operations, LLC | Wichita, KS 67202 | Gas Operator | Sep 2025 |
| 17422 | Lebosquet John R | | Gas Operator | Dec 1994 |
| 17423 | Lebosquet, John W. | Wichita, KS 67202 | Gas Operator | Sep 2025 |
| 17424 | Lebow, Marvin E. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1997 |
| 17425 | Lebsack Oil Prod | | Oil & Gas Operator | Nov 1995 |
| 17426 | Lebsack Oil Production Inc. | Stafford, KS 67578 | Oil & Gas Operator | Sep 2025 |
| 17427 | Lebsack, James S. | Denver, CO 80222 | Oil Operator | Sep 1998 |
| 17428 | Lebus Oilfield Service Co | | Oil Operator | Sep 2009 |
| 17429 | Leclair Operating Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 17430 | Leclair Operating, L.L.C. | Abilene, TX 79602 | Oil & Gas Operator | Feb 2026 |
| 17431 | Leclair-Westwood Inc | | Oil & Gas Operator | Mar 1982 |
| 17432 | Led Enterprises | El Dorado, KS 67042 | Oil Operator | Sep 1999 |
| 17433 | Led Enterprises LLC | El Dorado, KS 67042 | Oil Operator | Dec 2009 |
| 17434 | Ledbetter, Jerald D. Estate Of | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 17435 | Ledbetter, Jerald D. Oil Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2007 |
| 17436 | Ledbetter, Morris | Abilene, TX 79605 | Oil & Gas Operator | Jun 2005 |
| 17437 | Ledbetter, O. H. | Albany, TX 76430 | Oil & Gas Operator | Mar 1997 |
| 17438 | Ledford Jan Oil & Gas | Duncan, OK 73533-3210 | Oil Operator | Nov 2025 |
| 17439 | Ledger Operating Corporation | Abilene, TX 79601 | Oil Operator | Feb 2026 |
| 17440 | Lee And Jane Laird | | Oil & Gas Operator | Dec 2002 |
| 17441 | Lee Brothers Oil Co. | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 17442 | Lee Donna Oil Co | | Oil & Gas Operator | Dec 1996 |
| 17443 | Lee E & M Lee Minter | New Kensington, PA 15068-1440 | Gas Operator | Dec 2003 |
| 17444 | Lee Energy Exploration LTD | Oklahoma City, OK 73102-7114 | Oil & Gas Operator | Jul 2008 |
| 17445 | Lee Energy LLC | Edmond, OK 73034-7668 | Oil Operator | Jan 2005 |
| 17446 | Lee Jr W E | Beggs, OK 74421-2683 | Oil & Gas Operator | May 2013 |
| 17447 | Lee Lamberson Inc. | | Oil & Gas Operator | Dec 2000 |
| 17448 | Lee Lynn MGMT Co | Indiana, PA 15701-3400 | Oil & Gas Operator | Dec 1991 |
| 17449 | Lee M Crane | Bloomfield, NM 87413 | Gas Operator | Dec 2025 |
| 17450 | Lee Mills | | Oil Operator | Feb 1992 |
| 17451 | Lee Of Tulsa Oil & Gas Inc | Tulsa, OK 74114-5634 | Oil & Gas Operator | Dec 2021 |
| 17452 | Lee Phillips Oil Company | | Oil Operator | Sep 2025 |
| 17453 | Lee Production Co. | Monahans, TX 79756 | Oil & Gas Operator | Feb 2026 |
| 17454 | Lee Ron | Emory, TX 75440 | Oil Operator | Jul 2025 |
| 17455 | Lee Roy Daigle | | Oil Operator | Dec 1992 |
| 17456 | Lee'S Summit Gas Co. | | Gas Operator | Dec 1933 |
| 17457 | Lee, R.A., Inc. | | Oil Operator | Nov 1972 |
| 17458 | Leechburg Gas Co | Apollo, PA 15613-1125 | Gas Operator | Dec 2010 |
| 17459 | Leed Energy LLC | Purcell, OK 73080-1383 | Oil & Gas Operator | Nov 2025 |
| 17460 | Leede Oil & Gas Inc. | Greenwood VLG, CO 80111 | Oil & Gas Operator | Aug 2003 |
| 17461 | Leedy Oil Produc | | Oil & Gas Operator | Dec 1995 |
| 17462 | Leedy Oil Producers | | Oil Operator | Nov 2009 |
| 17463 | Leejan Oil Company | Amarillo, TX 79109 | Oil & Gas Operator | Feb 2026 |
| 17464 | Leeman Don J | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 1998 |
| 17465 | Leeman Energy Co | | Oil & Gas Operator | Jan 1987 |
| 17466 | Leeman Energy Corporation | Oklahoma City, OK 73118-1802 | Oil & Gas Operator | Mar 2015 |
| 17467 | Leeper Oil Exp. & Prod. Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2005 |
| 17468 | Lees Petroleum LLC | | Oil & Gas Operator | Jul 2000 |
| 17469 | Leeward Operators LLC | | Oil & Gas Operator | Jul 2011 |
| 17470 | Leexus Oil & Gas L.L.P. | Giddings, TX 78942 | Oil & Gas Operator | Jun 2008 |
| 17471 | Leexus Oil LLC | Giddings, TX 78942 | Oil & Gas Operator | Feb 2026 |
| 17472 | Leexus Operating Company | Austin, TX 78734 | Oil & Gas Operator | Aug 2007 |
| 17473 | Lefco Resources LLC | Henryetta, OK 74437 | Gas Operator | Nov 2025 |
| 17474 | Leffel'S, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Jun 2020 |
| 17475 | Lefforge & Klein | Amarillo, TX 79114 | Gas Operator | Jun 1997 |
| 17476 | Left Behind Recovery, LLC | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 17477 | Left-Hand Ranch, LLC | Helotes, TX 78023 | Oil Operator | Feb 2026 |
| 17478 | Leg Up Operating Company LLC | Tulsa, OK 74135 | Oil Operator | Nov 2025 |
| 17479 | Legacy - M & K Corporation | Dallas, TX 75231-0969 | Oil & Gas Operator | Jan 2025 |
| 17480 | Legacy Acres, LLC | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 17481 | Legacy Corporation, The | Cedar Park, TX 78613 | Oil & Gas Operator | Jun 2004 |
| 17482 | Legacy Energy Inc | Carpinteria, CA 93013 | Oil & Gas Operator | Jun 2012 |
| 17483 | Legacy Energy Services | Jourdanton, TX 78026 | Oil Operator | Feb 2026 |
| 17484 | Legacy Energy Services LLC | Stillwater, OK 74074 | Oil & Gas Operator | Dec 2025 |
| 17485 | Legacy Energy, LLC | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 17486 | Legacy Exploration, LLC I | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 17487 | Legacy Ogc LLC | Erie, PA 16509 | Oil & Gas Operator | Dec 2025 |
| 17488 | Legacy Oil & Gas ND, Inc. | | Oil & Gas Operator | Feb 2016 |
| 17489 | Legacy Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Feb 2026 |
| 17490 | Legacy Oil, LLC | Falls Of Rough, KY 40119 | Oil Operator | Dec 2023 |
| 17491 | Legacy Oklahoma Operators LLC | Shawnee, OK 74804-1447 | Oil & Gas Operator | Nov 2025 |
| 17492 | Legacy Operating Company | | Oil & Gas Operator | Aug 1992 |
| 17493 | Legacy Operating Company, LLC | Dallas, TX 75205 | Oil Operator | Jun 2024 |
| 17494 | Legacy Petroleum Corporation | Dallas, TX 75225 | Oil & Gas Operator | Mar 2019 |
| 17495 | Legacy Petroleum LLC | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2025 |
| 17496 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Feb 2026 |
| 17497 | Legacy Resources Co., L.P. | | Oil & Gas Operator | Apr 2019 |
| 17498 | Legado DJ, LLC | | Oil & Gas Operator | Jul 2011 |
| 17499 | Legado Gulf Coast, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2010 |
| 17500 | Legado Midcon, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | May 2010 |