| 17501 | Loto Energy LLC | Saint Louis, MO 63105 | Oil & Gas Operator | Feb 2025 |
| 17502 | Lott Production Company | San Antonio, TX 78217 | Oil & Gas Operator | May 2025 |
| 17503 | Lotter Gas Co., Inc. | | Gas Operator | Apr 2009 |
| 17504 | Lottie Oil Co. | Seguin, TX 78156 | Oil & Gas Operator | Apr 1996 |
| 17505 | Lotus O&G, LLC | Mansfield, TX 76063 | Oil Operator | May 2025 |
| 17506 | Lotus Operating Company, L.L.C. | Wichita, KS 67204 | Oil & Gas Operator | Jan 2025 |
| 17507 | Lou Dennis Oil Company Inc | Ada, OK 74820-2303 | Oil & Gas Operator | Jun 2016 |
| 17508 | Loudel, Inc. | Perryton, TX 79070 | Oil & Gas Operator | May 2025 |
| 17509 | Loudon Exploration, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2008 |
| 17510 | Loudon Operating Company, L.L.C. | Dallas, TX 75206 | Oil & Gas Operator | May 2025 |
| 17511 | Louis Dreyfus Natural Gas Corp. | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2015 |
| 17512 | Louis Dreyfus Natural Gas Inc | Houston, TX 770103088 | Oil & Gas Operator | Sep 1997 |
| 17513 | Louis J. Roussel | | Oil & Gas Operator | Sep 1991 |
| 17514 | Louisiana Crude Oil&Gas Co Inc | | Oil & Gas Operator | Mar 1984 |
| 17515 | Louisiana Delta Oil Co, LLC | | Oil & Gas Operator | Nov 2024 |
| 17516 | Louisiana Energy & Environmental, Inc. | | Oil & Gas Operator | Aug 2015 |
| 17517 | Louisiana Energy Consultant Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2025 |
| 17518 | Louisiana Energy Consultants, Inc. | | Oil & Gas Operator | Dec 2024 |
| 17519 | Louisiana Energy Investors, L.L.C. | | Oil & Gas Operator | Jun 2016 |
| 17520 | Louisiana Fuel Oil Corporation | | Oil Operator | Aug 1997 |
| 17521 | Louisiana Gas Development Corp | | Oil & Gas Operator | Jan 2025 |
| 17522 | Louisiana Gas Production Co | | Gas Operator | Dec 1996 |
| 17523 | Louisiana Gas Service Co. | | Oil Operator | May 2004 |
| 17524 | Louisiana Gas System, Inc. | | Oil Operator | Apr 2004 |
| 17525 | Louisiana General Petr. Corp. | | Oil & Gas Operator | Mar 1980 |
| 17526 | Louisiana Intrastate Gas Corp. | | Oil Operator | Feb 1994 |
| 17527 | Louisiana Jordan Oil Co, Inc. | Lake Charles, LA 70602 | Oil & Gas Operator | Dec 2024 |
| 17528 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 17529 | Louisiana Leasing & Expl, Inc. | | Oil & Gas Operator | Apr 2011 |
| 17530 | Louisiana Minerals, LTD. | Houston, TX 77024 | Oil & Gas Operator | Jul 1988 |
| 17531 | Louisiana Offshore Exploration, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 17532 | Louisiana Operating Co., Inc. | | Oil & Gas Operator | Aug 1994 |
| 17533 | Louisiana Resources Co | | Oil Operator | May 1992 |
| 17534 | Louisiana Tank, Inc. | | Oil Operator | Mar 2023 |
| 17535 | Louisiana-Caddo Invest, Inc. | | Oil & Gas Operator | Jun 2008 |
| 17536 | Louisiana-Hunt Petroleum Corp. | | Oil & Gas Operator | Dec 1985 |
| 17537 | Louisville Gas & Electric Co | Louisville, KY 40241 | Oil Operator | Dec 2023 |
| 17538 | Loundagin N B | Casper, WY 82602 | Oil & Gas Operator | Sep 2015 |
| 17539 | Loutex Energy, Inc. | | Oil & Gas Operator | Nov 1987 |
| 17540 | Loutex Production Company | Kilgore, TX 75663 | Oil & Gas Operator | May 2025 |
| 17541 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
| 17542 | Loveland Energy LLC | Wichita, KS 67206 | Oil Operator | Dec 2009 |
| 17543 | Loveless Properties | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2021 |
| 17544 | Lovell Keith | Stillwater, OK 74074-6459 | Oil & Gas Operator | Jan 2020 |
| 17545 | Loving Company (The) | Broken Arrow, OK 74014-0001 | Oil & Gas Operator | May 2013 |
| 17546 | Low D J | Littleton, CO 80127 | Oil Operator | Dec 1999 |
| 17547 | Low Gap L.L.C. | Cairo, WV 26337 | Gas Operator | Dec 2020 |
| 17548 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | May 2025 |
| 17549 | Lowe Kenneth | Jennings, OK 74038 | Oil & Gas Operator | Feb 2023 |
| 17550 | Lowe, Dean | Albany, TX 76430 | Oil Operator | May 2025 |
| 17551 | Lowe, Wallace W | | Oil Operator | Dec 2013 |
| 17552 | Lower 15 Oil Corporation | Gilbertown, AL 36908 | Oil & Gas Operator | Feb 2025 |
| 17553 | Lower Colorado River Authority | Bastrop, TX 78602 | Oil & Gas Operator | May 2025 |
| 17554 | Lower Lafourche Corporation | | Oil & Gas Operator | Jan 1997 |
| 17555 | Lowery Roger | Duncan, OK 73534-0040 | Oil & Gas Operator | Sep 2012 |
| 17556 | Lowmar Exploration Co. | | Oil & Gas Operator | Feb 1990 |
| 17557 | Lowrance & Ray Exploration, Inc. | Fort Worth, TX 76147 | Oil & Gas Operator | Sep 2003 |
| 17558 | Lowrance Inc. | Eastland, TX 76448 | Oil & Gas Operator | May 2025 |
| 17559 | Lowrance, Darrell A. | Cut Bank, MT 59427 | Oil Operator | Aug 2007 |
| 17560 | Lowrance, Gene | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 17561 | Lowry Exploratio | | Oil Operator | May 1994 |
| 17562 | Lowry Exploration Inc | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2025 |
| 17563 | Lowry Oil & Gas LLC | Norwich, OH 43767 | Oil & Gas Operator | Dec 2024 |
| 17564 | Lowther, Dan M | Alum Bridge, WV 26321 | Oil & Gas Operator | Dec 2020 |
| 17565 | Loyalty Production, LLC | Marlow, OK 73055 | Oil Operator | Feb 2025 |
| 17566 | Loyd E. Simar | | Oil & Gas Operator | Aug 2001 |
| 17567 | Loyd, John H. | Warrensburg, MO 64903 | Oil Operator | Aug 2000 |
| 17568 | Lozano Oil Company Inc. | Houston, TX 77082 | Oil & Gas Operator | May 2025 |
| 17569 | Lozoya, Jesus Antonio | Coldwater, KS 67029 | Oil & Gas Operator | Jan 2025 |
| 17570 | LP Operating, LLC | Boerne, TX 78006 | Oil & Gas Operator | May 2025 |
| 17571 | LP Robinson Holdings, L.L.C. | Abilene, TX 79608 | Oil Operator | May 2025 |
| 17572 | Lpadams Consulting LLC | Guthrie, OK 73044-3543 | Oil & Gas Operator | Feb 2025 |
| 17573 | LPB Oil Company | | Oil & Gas Operator | Apr 1991 |
| 17574 | Lpes, Inc. | Provo, UT 84604 | Oil & Gas Operator | Nov 2018 |
| 17575 | LPR Energy, LLC | Dallas, TX 75219 | Oil & Gas Operator | May 2025 |
| 17576 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jan 2025 |
| 17577 | LRC Development Corporation | Hays, KS 67601 | Oil Operator | Mar 2009 |
| 17578 | Lre Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2016 |
| 17579 | LRR IV Operating Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 2025 |
| 17580 | LRR Partnership | | Oil Operator | Sep 2023 |
| 17581 | LRR Pecos Valley, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 17582 | Lse Energy Co. | | Oil Operator | Mar 1989 |
| 17583 | Lse Energy Operating Co. Inc. | | Oil Operator | Jun 1996 |
| 17584 | LSM Ventures, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2020 |
| 17585 | LT Oil Co LLC | Meadville, PA 16335-4015 | Oil Operator | Dec 2024 |
| 17586 | LT Oil Company | Midland, TX 79705 | Oil & Gas Operator | May 2025 |
| 17587 | LT Oil LLC | San Marcos, TX 78666 | Oil Operator | May 2025 |
| 17588 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | Dec 2024 |
| 17589 | LTS Oil & Gas | Lubbock, TX 79424 | Oil & Gas Operator | May 2025 |
| 17590 | LTS Oil & Gas A | Lubbock, TX 79424 | Oil & Gas Operator | May 2025 |
| 17591 | LTX Productions, Inc. | Houston, TX 77095 | Oil & Gas Operator | Jul 2008 |
| 17592 | Lu-Ray Petroleum LLC | Oklahoma City, OK 73121-1607 | Oil & Gas Operator | Mar 2025 |
| 17593 | Lubar Oil Co. | | Oil Operator | Nov 1983 |
| 17594 | Lubbock Energy, Inc. | Lubbock, TX 79453 | Oil & Gas Operator | Oct 1996 |
| 17595 | Lubell Oil Company | Tulsa, OK 74103 | Gas Operator | Jul 1993 |
| 17596 | Luca Operation, LLC | | Oil & Gas Operator | Feb 2016 |
| 17597 | Luca Resources Group, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 17598 | Lucas Energy, Inc. | Houston, TX 77067 | Oil & Gas Operator | Feb 2017 |
| 17599 | Lucas George C | | Oil Operator | Jul 2014 |
| 17600 | Lucas Well Service, Inc. | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |