| 601 | Intercoast Oil And Gas | Tulsa, OK 74136 | Oil & Gas Operator | Mar 1997 |
| 602 | Intrepid Operating LTD., Co | Hobbs, NM 88241 | Oil & Gas Operator | Nov 2009 |
| 603 | Invito Operating, LLC | McKinney, TX 75070 | Oil & Gas Operator | Sep 2025 |
| 604 | J & G Enterprise LTD., Co. | Artesia, NM 88211 | Oil & Gas Operator | Nov 1997 |
| 605 | J & J Investments, LLC | Loco Hills, NM 88255 | Oil & Gas Operator | Sep 2025 |
| 606 | J & J Service Inc | Lovington, NM 88260 | Oil & Gas Operator | Aug 2025 |
| 607 | J B Martinez | Farmington, NM 87402 | Oil & Gas Operator | Jul 2021 |
| 608 | J C Fisher | Salt Lake City, UT 84117 | Oil & Gas Operator | Feb 2008 |
| 609 | J C Well Service | Farmington, NM 87499 | Oil Operator | Jun 2003 |
| 610 | J C Williamson | Midland, TX 79702 | Oil & Gas Operator | May 2013 |
| 611 | J Cleo Thompson | Odessa, TX 79764 | Oil & Gas Operator | Jul 2017 |
| 612 | J D R LTD | Artesia, NM 88210 | Oil Operator | Aug 2009 |
| 613 | J F McAdams | Hobbs, NM 88240 | Oil Operator | Dec 2011 |
| 614 | J K R Oil And Gas Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Jan 2003 |
| 615 | J M Welch | Roswell, NM 88201 | Oil & Gas Operator | Jul 2002 |
| 616 | J R Cone | Lubbock, TX 79408 | Oil & Gas Operator | Apr 2017 |
| 617 | J R Oil, LTD. Co. | Lubbock, TX 79453 | Oil & Gas Operator | Sep 2025 |
| 618 | J Ray Stewart | Midland, TX 79702 | Oil & Gas Operator | Jan 2008 |
| 619 | J Thomas Development Of NM Inc | Farmington, NM 87499 | Oil & Gas Operator | Dec 2009 |
| 620 | J. M. Huber Corp. | Houston, TX 77079 | Oil & Gas Operator | Sep 2004 |
| 621 | Jack A Cole | Farmington, NM 874990191 | Oil & Gas Operator | Mar 1995 |
| 622 | Jack D Knox | Dallas, TX 75219 | Oil Operator | Jun 2024 |
| 623 | Jack Huff | Midland, TX 79705 | Oil & Gas Operator | Sep 2025 |
| 624 | Jack J. Grynberg | Denver, CO 80202 | Oil & Gas Operator | Oct 2019 |
| 625 | Jack L. Phillips Co. | Gladewater, TX 756471686 | Oil & Gas Operator | Sep 2025 |
| 626 | Jack Markham | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2015 |
| 627 | Jakd Solutions, LLC | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 628 | Jalapeno Corporation | Albuquerque, NM 87103 | Oil & Gas Operator | Dec 2023 |
| 629 | Jam Oil LLC | Roswell, NM 88202 | Oil Operator | Jun 2017 |
| 630 | James L Evans | Eunice, NM 88231 | Oil & Gas Operator | Dec 2001 |
| 631 | James L Ludwick | Farmington, NM 87499 | Gas Operator | Jul 2006 |
| 632 | James N Evans | Eunice, NM 88231 | Oil & Gas Operator | Sep 1997 |
| 633 | Jay Management Company LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 634 | Jerry W Guy & Thurman F Duncan | Hobbs, NM 88241 | Oil & Gas Operator | May 2016 |
| 635 | Jetta Operating Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 636 | Jicarilla Energy Co | Farmington, NM 87401 | Oil & Gas Operator | Aug 2025 |
| 637 | Jilpetco, Inc. | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2025 |
| 638 | Jim Pierce | Artesia, NM 88210 | Oil & Gas Operator | Apr 2022 |
| 639 | Jimmy Roberson Energy Corp. | Texarkana, TX 75503 | Oil & Gas Operator | Sep 2012 |
| 640 | JKM Energy, LLC | Artesia, NM 88210 | Oil & Gas Operator | Feb 2025 |
| 641 | JM Cox Resources LP | Midland, TX 79702 | Oil & Gas Operator | Apr 2019 |
| 642 | JN Expl & Prod LTD Partnership | Billings, MT 59103-0159 | Oil & Gas Operator | Feb 2001 |
| 643 | Joe L Tarver | Lubbock, TX 79423 | Oil & Gas Operator | Mar 2011 |
| 644 | Joe Melton DRLG Co Inc | Midland, TX 79704 | Oil & Gas Operator | Sep 2005 |
| 645 | John A Yates Jr | Artesia, NM 88211 | Oil & Gas Operator | Oct 2018 |
| 646 | John E Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Aug 2022 |
| 647 | John E. McCool | Youngsville, PA 16371 | Oil Operator | Dec 2020 |
| 648 | John H Hendrix Corp | Midland, TX 797023040 | Oil & Gas Operator | Sep 2018 |
| 649 | John L. Cox | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 650 | John R Dorr | Pecos, TX 79772 | Oil & Gas Operator | Oct 2000 |
| 651 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2025 |
| 652 | Jonah Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 653 | Joseph B Gould | Las Vegas, NV 89109 | Oil & Gas Operator | Oct 2002 |
| 654 | Joseph Sanchez Dba J&F Production | Cuba, NM 87013 | Oil Operator | Dec 2019 |
| 655 | Journey Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
| 656 | JPH Oil Producers Dba Jimmy P Hodge | Lovington, NM 88260 | Oil & Gas Operator | Sep 2025 |
| 657 | Jr Cone Operating, LLC | Lubbock, TX 79408 | Oil & Gas Operator | Sep 2025 |
| 658 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 659 | Judah Oil LLC | Artesia, NM 88211 | Oil & Gas Operator | Oct 2025 |
| 660 | Julian Ard | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2002 |
| 661 | Jumbo American Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2010 |
| 662 | Juniper Resources Exploration Company, LLC | Farmington, NM 87402 | Oil & Gas Operator | Aug 2024 |
| 663 | Justice Oil Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1996 |
| 664 | K & R Oil & Gas | Roswell, NM 88201 | Oil Operator | Jul 1995 |
| 665 | K P Kauffman Company Inc | Denver, CO 80203 | Oil & Gas Operator | Oct 2025 |
| 666 | K&M Resources LLC | Artesia, NM 88211 | Oil & Gas Operator | Oct 2025 |
| 667 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2025 |
| 668 | Kash Operating LLC | Maljamar, NM 88264 | Oil Operator | Oct 2024 |
| 669 | Kay Jay Oil Co | Artesia, NM 88210 | Oil & Gas Operator | May 2001 |
| 670 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Oct 2025 |
| 671 | KCS Resources LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2017 |
| 672 | Kelly H Baxter | Austin, TX 78767 | Oil & Gas Operator | Nov 2006 |
| 673 | Kelt Oil & Gas, Inc. | Torrance, CA 90503 | Oil & Gas Operator | Dec 2003 |
| 674 | Kem Ventures, LP | Katy, TX 77450 | Oil & Gas Operator | Oct 2025 |
| 675 | Kenson Operating Company Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
| 676 | Kent Walker | Midland, TX 79708 | Oil & Gas Operator | Sep 1999 |
| 677 | Kern Co. | Houston, TX 77095 | Oil & Gas Operator | Jan 2021 |
| 678 | Kerns Petroleum, Inc. | San Antonio, TX 78257 | Oil & Gas Operator | Sep 2013 |
| 679 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2025 |
| 680 | Kersey & Company | Ellijay, GA 30540 | Oil & Gas Operator | Jan 2023 |
| 681 | Kevin O Butler & Assoc Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 682 | Keystone Energy LLC | Farmington, NM 87499 | Oil & Gas Operator | May 2025 |
| 683 | Kimbell Oil Company Of Texas | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2025 |
| 684 | Kimlar Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 685 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 686 | Kindred Petroleum Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 687 | Kinlaw Oil Corporation | Dallas, TX 75380 | Oil & Gas Operator | Dec 2025 |
| 688 | Kinney Incorporated | Andrews, TX 79714 | Oil & Gas Operator | Dec 2025 |
| 689 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 690 | Knox Industries, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Dec 2025 |
| 691 | Koch Exploration Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 692 | Kratos Operating, LLC | Hobbs, NM 88241 | Oil & Gas Operator | Aug 2025 |
| 693 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 694 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 695 | L B Simmons Energy Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Oct 1996 |
| 696 | L R French Jr | Midland, TX 79701 | Oil & Gas Operator | Aug 2014 |
| 697 | L.E. Jones Operating, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Oct 2025 |
| 698 | La Plata Gathering System Inc | Dallas, TX 75206 | Gas Operator | Nov 2023 |
| 699 | Lan Ma'S Oil And Gas LLC | Sugar Land, TX 77479 | Oil Operator | Sep 2025 |
| 700 | Lance Oil & Gas Company Inc | Kirtland, NM 87417 | Oil & Gas Operator | Mar 2013 |