| 3701 | Brass Oil | | Oil Operator | Jan 2025 |
| 3702 | Brasseaux Oil Company | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2008 |
| 3703 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Mar 2025 |
| 3704 | Bratco Operating Company | Dewey, OK 74029 | Oil & Gas Operator | Apr 2025 |
| 3705 | Bratton Energy | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 3706 | Braun, John | Victoria, KS 67671 | Oil Operator | Oct 2019 |
| 3707 | Bravo Arkoma LLC | Tulsa, OK 74103-3100 | Oil & Gas Operator | Mar 2025 |
| 3708 | Bravo Natural Gas, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2012 |
| 3709 | Bravo Natural Resources, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 3710 | Bravo Operating Company | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1995 |
| 3711 | Brawand H William | Wilcox, PA 15870-0373 | Oil & Gas Operator | Dec 2024 |
| 3712 | Brawley Petroleum Corporation | Lubbock, TX 79424 | Gas Operator | Aug 2017 |
| 3713 | Braxton Oil And Gas Corp. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2021 |
| 3714 | Bray Drilling Co., Inc. | | Oil Operator | Feb 1982 |
| 3715 | Bray-Conn Resources, LLC | Wichita Falls, TX 76307 | Oil Operator | Dec 2011 |
| 3716 | Brayton Oil Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Dec 1994 |
| 3717 | Brayton Operating Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Sep 2009 |
| 3718 | Brayton-Hodges Petroleum Inc. | | Oil & Gas Operator | Mar 2025 |
| 3719 | Brazos Geological Consulting LT | College Sta, TX 77840 | Oil Operator | Jun 2025 |
| 3720 | Brazos Oil Co. | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Feb 2008 |
| 3721 | Brazos Operating LLC | Midland, TX 79710 | Gas Operator | Jun 2025 |
| 3722 | Brazos Petroleum | | Oil & Gas Operator | Aug 1995 |
| 3723 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 3724 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
| 3725 | Brazos River Exploration LLC | Houston, TX 77008 | Oil & Gas Operator | Oct 2024 |
| 3726 | Brazos River LLC | | Oil & Gas Operator | Apr 2002 |
| 3727 | Brazos Valley Operating, LLC | Austin, TX 78738 | Oil & Gas Operator | Jun 2025 |
| 3728 | Brbco, LLC | | Oil & Gas Operator | Dec 2024 |
| 3729 | BRC Operating Company LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2025 |
| 3730 | Brchan Ventures LLC | Bartlesville, OK 74006-0281 | Oil Operator | Dec 2021 |
| 3731 | Brea Canon Oil Co. | | Oil & Gas Operator | Apr 2025 |
| 3732 | Brea Oil Company Inc. | | Oil & Gas Operator | Oct 2001 |
| 3733 | Breakthrough Ventures, LLC | | Oil Operator | Jan 2025 |
| 3734 | Brecca Oil & Gas Operators, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Mar 2003 |
| 3735 | Brecheisen & Lor | | Oil & Gas Operator | Oct 1995 |
| 3736 | Brecheisen & Spooner | Garnett, KS 66032 | Gas Operator | Aug 2009 |
| 3737 | Brecheisen Oil C | | Oil & Gas Operator | Sep 1993 |
| 3738 | Brechtel Energy Corporation | | Oil & Gas Operator | Sep 2008 |
| 3739 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Mar 2025 |
| 3740 | Breckenridge Corporation | Buckhannon, WV 26201-0000 | Oil & Gas Operator | Dec 2021 |
| 3741 | Breeden Oil | Albany, TX 76430 | Oil & Gas Operator | Apr 2002 |
| 3742 | Breeze Oil, LLC | Nocona, TX 76255 | Oil Operator | Jun 2025 |
| 3743 | Breeze Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 3744 | Breeze, James R. | Nocona, TX 76255 | Oil & Gas Operator | Nov 2017 |
| 3745 | Brehm Asset Management, LLC | Frisco, TX 75035 | Oil Operator | Dec 2024 |
| 3746 | Brehm Exploration, Inc. | | Oil & Gas Operator | Mar 1995 |
| 3747 | Brehm Investment Group Inc | | Oil Operator | Jul 1991 |
| 3748 | Brehm Oil | MT. Vernon, IL 62864 | Oil Operator | Jan 1986 |
| 3749 | Breitburn | | Oil & Gas Operator | Sep 2024 |
| 3750 | Breitburn Energy Company LLC | Lakewood, CO 80227 | Oil Operator | Aug 2011 |
| 3751 | Breitburn Florida, LLC | | Oil & Gas Operator | Dec 2024 |
| 3752 | Breitburn Operating Limited Partnership | | Oil & Gas Operator | Aug 2022 |
| 3753 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 3754 | Breitenbach Family Farms LLC | Bonner Springs, KS 66012 | Oil & Gas Operator | May 2020 |
| 3755 | Breitling Operating Corporation | Dallas, TX 75201 | Oil & Gas Operator | Aug 2016 |
| 3756 | Breland, Leon | | Oil & Gas Operator | Feb 1991 |
| 3757 | Brenda Oil And Gas Company | Pleasant PLNS, AR 72568 | Oil & Gas Operator | May 2006 |
| 3758 | Brenham Drilling Co. | Flatonia, TX 78941 | Oil & Gas Operator | Jun 2025 |
| 3759 | Brennco Gas Transmission, Inc. | Overland Park, KS 66282 | Gas Operator | Apr 2009 |
| 3760 | Brenneis Energy | Duncan, OK 73533-5415 | Oil & Gas Operator | Mar 2025 |
| 3761 | Brenneis Oil Company | Norman, OK 73072-3963 | Oil & Gas Operator | Aug 2012 |
| 3762 | Brent Baker Oil And Gas Inc | Oklahoma City, OK 73149-2932 | Oil & Gas Operator | Apr 2025 |
| 3763 | Brent Boggs Oil & Gas LLC | Ivydale, WV 25113 | Oil & Gas Operator | Nov 2021 |
| 3764 | Brent Exploration | | Oil & Gas Operator | Dec 1993 |
| 3765 | Brent Exploration Inc. | | Oil & Gas Operator | Apr 1983 |
| 3766 | Bretagne, G P | Beattyville, KY 41311 | Oil & Gas Operator | Dec 2023 |
| 3767 | Bretagne, LLC | Beattyville, , K 41311 | Oil Operator | Dec 2023 |
| 3768 | Breton Sound Holdings, LLC | | Oil & Gas Operator | Dec 2024 |
| 3769 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Mar 2025 |
| 3770 | Brewer Hazel R | Oologah, OK 74053-3540 | Oil & Gas Operator | Apr 2017 |
| 3771 | Brewer J E | Seminole, OK 74818-0863 | Oil & Gas Operator | Mar 2014 |
| 3772 | Brewer Natural Resources, LLC | Lexington, WV 40508 | Oil & Gas Operator | Dec 2020 |
| 3773 | Brewer Robert A And Karen A | | Oil Operator | May 2025 |
| 3774 | Brewer, Freddie P. | Paola, KS 66071 | Oil Operator | Nov 2003 |
| 3775 | Brewton And Martin | | Oil Operator | Dec 1997 |
| 3776 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2025 |
| 3777 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 3778 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2025 |
| 3779 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 3780 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Apr 2025 |
| 3781 | Brian C. Register | | Oil & Gas Operator | Jun 2011 |
| 3782 | Brian Energy | Kilgore, TX 75663 | Oil & Gas Operator | May 2013 |
| 3783 | Brian Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2020 |
| 3784 | Briar Energy Corporation | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 3785 | Briar Hill Energy, Inc. | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 3786 | Briar Hollow Energy Company | Portland, TX 78374 | Oil & Gas Operator | Jun 2025 |
| 3787 | Briar Oil & Gas - Oklahoma 1 LLC | Houston, TX 77027-9392 | Oil & Gas Operator | Mar 2025 |
| 3788 | Briarcreek Operating LLC | Graham, TX 76450 | Oil Operator | Jun 2025 |
| 3789 | Briarwood Energy Co | Akron, OH 43334 | Oil & Gas Operator | Dec 1996 |
| 3790 | Bricar Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Nov 1998 |
| 3791 | Brichacek Jerry Lee | Drumright, OK 74030-9777 | Oil & Gas Operator | Jan 2020 |
| 3792 | Brickley Enterprises, LLC | Eldorado, KS 67042 | Oil Operator | Feb 2025 |
| 3793 | Bricktown Energy LLC | Oklahoma City, OK 73112-5468 | Oil & Gas Operator | Mar 2025 |
| 3794 | Brico Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 3795 | Bridas Energy USA, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Aug 2008 |
| 3796 | Bridge Energy LLC | | Oil & Gas Operator | Apr 2025 |
| 3797 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 3798 | Bridge Oil Development | San Antonio, TX 78209-1181-1181 | Oil & Gas Operator | Dec 1986 |
| 3799 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
| 3800 | Bridge Point Carson LLC | | Oil & Gas Operator | Apr 2025 |