| 601 | Bon Wier Producing Company | Monroe, LA 71207 | Oil & Gas Operator | Feb 2002 |
| 602 | Bonanza Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2000 |
| 603 | Bond Operating Company | Dallas, TX 75219 | Oil & Gas Operator | Jan 2025 |
| 604 | Boney Enterprises Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2026 |
| 605 | Bonfire Operating LLC | Cresson, TX 76035 | Oil & Gas Operator | Apr 2026 |
| 606 | Boni Oil Incorporated | Nacogdoches, TX 75961 | Oil & Gas Operator | Apr 2026 |
| 607 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 608 | Boo-Row Pipe & Supply, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jan 2007 |
| 609 | Booher Engineering, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Apr 2026 |
| 610 | Boondocks Solutions LLC | Tomball, TX 77375 | Oil & Gas Operator | Apr 2026 |
| 611 | Boone & Moore Oil Co. | Lubbock, TX 79453 | Oil & Gas Operator | Mar 1995 |
| 612 | Boone Ranch 8, Inc. | Graham, TX 76450 | Oil Operator | Apr 2026 |
| 613 | Boothe Oil Company | Batson, TX 77519 | Oil & Gas Operator | Feb 2014 |
| 614 | Boothe, H. E., Jr. | Liberty, TX 77575 | Oil & Gas Operator | Dec 1996 |
| 615 | Bootstrap Exploration, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2021 |
| 616 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 617 | Bordas Oil & Gas Company | Harper, TX 78631 | Oil Operator | Apr 2026 |
| 618 | Borden, Inc. | Columbus, OH 43215 | Oil & Gas Operator | May 1990 |
| 619 | Borden, Roland Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2026 |
| 620 | Borderline Operating Corp. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 621 | Borders, Delbert L. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2019 |
| 622 | Bordertown Energy Resources, LLC | Bryan, TX 77802 | Oil & Gas Operator | Apr 2026 |
| 623 | Borean Oil Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Oct 2013 |
| 624 | Borger Resources 2 LLC | Borger, TX 79007 | Oil & Gas Operator | Apr 2026 |
| 625 | Borger Resources 3 LLC | Borger, TX 79007 | Oil & Gas Operator | Apr 2026 |
| 626 | Borger Resources 4 LLC | Borger, TX 79007 | Oil & Gas Operator | Apr 2026 |
| 627 | Bosco Petroleum LLC | Muenster, TX 76252 | Oil Operator | Apr 2026 |
| 628 | Bosque Oil Company | Anderson, SC 29625 | Oil & Gas Operator | Apr 2026 |
| 629 | Bosque Texas Oil LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 630 | Boss Expl & Prod Corporation | Dallas, TX 75201 | Oil & Gas Operator | Apr 2008 |
| 631 | Boss Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 632 | Boss Services, L.L.C. | Ira, TX 79527 | Oil & Gas Operator | Aug 2019 |
| 633 | Botasch Operating, LLC | Dilley, TX 78017 | Oil & Gas Operator | Apr 2026 |
| 634 | Boundary Ventures, Inc. | Columbus, TX 78934 | Oil Operator | Apr 2026 |
| 635 | Bounty Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2005 |
| 636 | Bowerman Energy Company | Arlington, TX 76004 | Oil & Gas Operator | Dec 2006 |
| 637 | Bowerman Exploration, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Jan 2009 |
| 638 | Bowerman Investments Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2026 |
| 639 | Bowerman Oil & Gas, Inc. | Arlington, TX 76003 | Oil & Gas Operator | Apr 2026 |
| 640 | Bowers Oil & Gas, Inc. | Grand Junction, CO 81505-1097 | Oil & Gas Operator | Nov 2022 |
| 641 | Bowie Operating Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Mar 2011 |
| 642 | Bowles Energy, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 643 | Bowles Properties, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 1998 |
| 644 | Bowman, Fred Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2014 |
| 645 | Boyd & McWilliams Energy Group | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 646 | Boyd & McWilliams Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 647 | Boyd, Clyde Oil & Gas | Graham, TX 76450 | Oil & Gas Operator | Jan 2004 |
| 648 | Boyd, D. K. Oil And Gas Co.,Inc. | Midland, TX 79703 | Oil & Gas Operator | Apr 2026 |
| 649 | Boyd, Dee Well Service | Vernon, TX 76385 | Oil & Gas Operator | Mar 2023 |
| 650 | Boydston & Moore | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 651 | Boydston Operating | Graham, TX 76450 | Oil & Gas Operator | Nov 2006 |
| 652 | Boykin, Ross Oil Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Dec 2016 |
| 653 | Boyle, W. T. | Graham, TX 76450 | Oil & Gas Operator | Dec 2006 |
| 654 | Boyles, L. S. | Del Rio, TX 78840 | Oil & Gas Operator | Apr 2026 |
| 655 | Bozeman, John F. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2005 |
| 656 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 657 | BP Exploration | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 658 | BP Operating Company, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2022 |
| 659 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Apr 2026 |
| 660 | Bpa Oilfield Services | Coleman, TX 76834 | Oil & Gas Operator | Apr 2026 |
| 661 | BPL Exploration, LTD. | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Jan 2012 |
| 662 | BPS Co. | Monahans, TX 79756 | Oil & Gas Operator | Nov 2000 |
| 663 | BPX Operating Company | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 664 | Bra-De Oil & Gas Inc. | Montague, TX 76251 | Oil & Gas Operator | Jun 2016 |
| 665 | Bra-De Oil & Gas Operating, LLC | Montague, TX 76251 | Oil & Gas Operator | Apr 2026 |
| 666 | Bra-De Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2005 |
| 667 | Brac Oil | La Vernia, TX 78121 | Oil Operator | Apr 2026 |
| 668 | Bracken Energy Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2015 |
| 669 | Bracken Operating, L.L.C. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 670 | Bracken Production Company | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 671 | Bradberry Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2013 |
| 672 | Braden Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2011 |
| 673 | Braden-Deem Inc | Wichita, KS 67226 | Oil & Gas Operator | Jan 2026 |
| 674 | Bradley Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Apr 2026 |
| 675 | Bradley, John W. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 676 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 677 | Brady, W. Production, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2026 |
| 678 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 679 | Brahaney Drilling Company, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2015 |
| 680 | Brahman Oil & Gas, LLC | Houston, TX 77063 | Oil & Gas Operator | Apr 2026 |
| 681 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 682 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Apr 2026 |
| 683 | Bralex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Apr 2026 |
| 684 | Braley, William R. | Gage, OK 73843 | Oil & Gas Operator | Jul 2004 |
| 685 | Braman Working Interests LP | Victoria, TX 77902 | Oil & Gas Operator | Jun 2015 |
| 686 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 687 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2026 |
| 688 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Apr 2026 |
| 689 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 690 | Brammer-Keystone Energy, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 691 | Branch Productions | Graham, TX 76450 | Oil & Gas Operator | May 2019 |
| 692 | Brander, Sam H. | San Antonio, TX 78264 | Oil & Gas Operator | Apr 2026 |
| 693 | Brandes Petroleum, B.P.C.,Inc. | Dallas, TX 75240 | Oil & Gas Operator | Apr 2026 |
| 694 | Brandon Energy, Inc. | Bullard, TX 75757 | Oil & Gas Operator | Nov 2007 |
| 695 | Brandt, Bodie | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2026 |
| 696 | Brangus Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 697 | Brannon Oil & Gas Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2013 |
| 698 | Branta Production Company LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2026 |
| 699 | Brashear Production Service, Inc | Longview, TX 75602 | Oil & Gas Operator | Mar 2008 |
| 700 | Brask-Dumont Ranch, Inc. | Houston, TX 77255 | Oil & Gas Operator | Apr 2026 |