| 601 | Jicarilla Energy Co | Farmington, NM 87401 | Oil & Gas Operator | Jan 2024 |
| 602 | Jilpetco, Inc. | Fort Worth, TX 76121 | Oil & Gas Operator | Apr 2024 |
| 603 | Jim Pierce | Artesia, NM 88210 | Oil & Gas Operator | Apr 2022 |
| 604 | Jimmy Roberson Energy Corp. | Texarkana, TX 75503 | Oil & Gas Operator | Sep 2012 |
| 605 | JKM Energy, LLC | Artesia, NM 88210 | Oil & Gas Operator | Jun 2023 |
| 606 | JM Cox Resources LP | Midland, TX 79702 | Oil & Gas Operator | Apr 2019 |
| 607 | JN Expl & Prod LTD Partnership | Billings, MT 59103-0159 | Oil & Gas Operator | Feb 2001 |
| 608 | Joe L Tarver | Lubbock, TX 79423 | Oil & Gas Operator | Mar 2011 |
| 609 | Joe Melton DRLG Co Inc | Midland, TX 79704 | Oil & Gas Operator | Sep 2005 |
| 610 | John A Yates Jr | Artesia, NM 88211 | Oil & Gas Operator | Oct 2018 |
| 611 | John E Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Aug 2022 |
| 612 | John E. McCool | Youngsville, PA 16371 | Oil Operator | Dec 2020 |
| 613 | John H Hendrix Corp | Midland, TX 797023040 | Oil & Gas Operator | Sep 2018 |
| 614 | John L. Cox | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 615 | John R Dorr | Pecos, TX 79772 | Oil & Gas Operator | Oct 2000 |
| 616 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 617 | Joseph B Gould | Las Vegas, NV 89109 | Oil & Gas Operator | Oct 2002 |
| 618 | Joseph Sanchez Dba J&F Production | Cuba, NM 87013 | Oil Operator | Dec 2019 |
| 619 | Journey Operating, L.L.C. | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
| 620 | JPH Oil Producers Dba Jimmy P Hodge | Lovington, NM 88260 | Oil & Gas Operator | Jan 2024 |
| 621 | Jr Cone Operating, LLC | Lubbock, TX 79408 | Oil & Gas Operator | Jan 2024 |
| 622 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 623 | Judah Oil LLC | Artesia, NM 88211 | Oil & Gas Operator | Jan 2024 |
| 624 | Julian Ard | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2002 |
| 625 | Jumbo American Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2010 |
| 626 | Juniper Resources Exploration Company, LLC | Farmington, NM 87402 | Oil & Gas Operator | Feb 2024 |
| 627 | Justice Oil Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1996 |
| 628 | K & R Oil & Gas | Roswell, NM 88201 | Oil Operator | Jul 1995 |
| 629 | K P Kauffman Company Inc | Denver, CO 80203 | Oil & Gas Operator | Feb 2024 |
| 630 | K&M Resources LLC | Artesia, NM 88211 | Oil & Gas Operator | Jan 2024 |
| 631 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
| 632 | Kash Operating LLC | Maljamar, NM 88264 | Oil & Gas Operator | Sep 2023 |
| 633 | Kay Jay Oil Co | Artesia, NM 88210 | Oil & Gas Operator | May 2001 |
| 634 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Dec 2023 |
| 635 | KCS Resources, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 636 | Kelly H. Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |
| 637 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 638 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Jan 2024 |
| 639 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 640 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 641 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 642 | Kerns Petroleum, Inc. | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2013 |
| 643 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
| 644 | Kersey & Company | Ellijay, GA 30540 | Oil & Gas Operator | Jan 2023 |
| 645 | Kevin O Butler & Assoc Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2023 |
| 646 | Keystone Energy LLC | Farmington, NM 87499 | Oil & Gas Operator | Dec 2023 |
| 647 | Kimbell Oil Company Of Texas | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2024 |
| 648 | Kimlar Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 649 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 650 | Kindred Petroleum Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 651 | Kinlaw Oil Corporation | Dallas, TX 75380 | Oil & Gas Operator | Apr 2024 |
| 652 | Kinney Incorporated | Andrews, TX 79714 | Oil & Gas Operator | Apr 2024 |
| 653 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 654 | Knox Industries, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Apr 2024 |
| 655 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 656 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 657 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 658 | L & T Oil Co., Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 659 | L E Jones Operating Inc | Duncan, OK 73534 | Oil & Gas Operator | Feb 2024 |
| 660 | L R French Jr | Midland, TX 79701 | Oil & Gas Operator | Aug 2014 |
| 661 | L. B. Simmons Energy, Inc. | Midland, TX BAD ADDR | Oil & Gas Operator | Oct 1996 |
| 662 | La Plata Gathering System Inc | Dallas, TX 75206 | Gas Operator | Nov 2023 |
| 663 | Lan Ma'S Oil And Gas LLC | Sugar Land, TX 77479 | Oil Operator | Feb 2024 |
| 664 | Lance Oil & Gas Company Inc | Kirtland, NM 87417 | Oil & Gas Operator | Mar 2013 |
| 665 | Lanexco, Inc. | Sealy, TX 77474 | Oil & Gas Operator | Apr 2024 |
| 666 | Lankford Oil Co. | Weatherford, TX 76086 | Oil & Gas Operator | Jul 1999 |
| 667 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2023 |
| 668 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Apr 2024 |
| 669 | Larry Marker Dba Marker Oil | Roswell, NM 88202 | Oil & Gas Operator | Jul 2017 |
| 670 | Las Animas Production Company | Midland, TX 79705 | Oil & Gas Operator | Mar 1995 |
| 671 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2023 |
| 672 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | Feb 2024 |
| 673 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 674 | Layton Enterprises, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2007 |
| 675 | Lbo New Mexico Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 676 | LCX Energy, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2010 |
| 677 | Leaco Operating, LLC | Houston, TX 77056 | Oil Operator | Jan 2024 |
| 678 | Lee M Crane | Bloomfield, NM 87413 | Gas Operator | Feb 2024 |
| 679 | Legacy Reserves Operating LP | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
| 680 | Leigh Operating Co | Dallas, TX 75205 | Oil & Gas Operator | Mar 2008 |
| 681 | Leopoldo P Bustamante | Midland, TX 79710 | Oil & Gas Operator | Apr 2012 |
| 682 | LG&S Oil Company, LLC | Lovington, NM 88260 | Oil Operator | Jan 2024 |
| 683 | LH Operating, LLC | Houston, TX 77098 | Oil & Gas Operator | Jan 2024 |
| 684 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 685 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2023 |
| 686 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Feb 2024 |
| 687 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 688 | Lion Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 689 | Little Oil And Gas, Inc. | Farmington, NM 87499 | Oil & Gas Operator | Aug 2005 |
| 690 | Lively Exploration Company | Houston, TX 77063 | Oil & Gas Operator | Apr 2024 |
| 691 | Lizard Oil & Gas, LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Feb 2017 |
| 692 | Llano Land & Exploration Co | Roswell, NM 88202 | Oil & Gas Operator | Sep 2004 |
| 693 | Llano Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 694 | LLJ Ventures, LLC Dba Marker Oil & Gas | Roswell, NM 88202 | Oil & Gas Operator | Apr 2022 |
| 695 | Lobo Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 696 | Lodestone Operating, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
| 697 | Logos Operating LLC | Farmington, NM 87401 | Oil & Gas Operator | Feb 2024 |
| 698 | Lone Star Oil & Gas, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2022 |
| 699 | Lonestar Petroleum Services, LLC | Artesia, NM 88210 | Oil Operator | Feb 2024 |
| 700 | Long Trust The | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2008 |