| 3901 | Brittany Energy LLC | San Antonio, TX 78209 | Oil & Gas Operator | May 2019 |
| 3902 | Brittany Oil Co. | | Oil & Gas Operator | Dec 2022 |
| 3903 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Dec 2025 |
| 3904 | Brix Operating LLC | | Gas Operator | Apr 2021 |
| 3905 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 3906 | Brknco LLC | | Oil & Gas Operator | Dec 2025 |
| 3907 | Broad Oak Energy II, LLC | Irving, TX 75063 | Oil & Gas Operator | Mar 2018 |
| 3908 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 3909 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 3910 | Broad Street Financial Co. | | Oil & Gas Operator | Nov 1998 |
| 3911 | Broad Street Serv LLC | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 3912 | Broadhead, Walter | Grand Junction, CO 81502 | Oil & Gas Operator | Mar 2005 |
| 3913 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 3914 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Dec 2025 |
| 3915 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 3916 | Brock Acres Farm | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 3917 | Brock Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Jun 1986 |
| 3918 | Brock Exploration Corp | New Orleans, LA 70112-1707 | Oil & Gas Operator | Jan 1999 |
| 3919 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 3920 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 3921 | Brock Petroleum Corporation | | Oil & Gas Operator | Sep 1984 |
| 3922 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 3923 | Brock SR Kirby L | Stillwater, OK 74074-7206 | Oil Operator | Mar 2013 |
| 3924 | Brock, J. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 3925 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 3926 | Brock, Leo Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 2025 |
| 3927 | Brocklebank, Terry K. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 3928 | Broco Oil, LP | | Oil & Gas Operator | Nov 2024 |
| 3929 | Brocon Inc | Healdton, OK 73438 | Oil & Gas Operator | May 2020 |
| 3930 | Broderick, Stanton M. And Linda A. | Irving, NY 14081 | Gas Operator | Dec 2024 |
| 3931 | Brody Oil & Gas Services, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 3932 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 3933 | Brogdon--A&K Leases | | Oil & Gas Operator | Dec 2001 |
| 3934 | Broken Arrow Petroleum Company | | Gas Operator | May 2013 |
| 3935 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Dec 2025 |
| 3936 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Dec 2025 |
| 3937 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 3938 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 3939 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2024 |
| 3940 | Bronco Oil & Gas Co | Casper, WY 82602 | Oil & Gas Operator | Oct 1987 |
| 3941 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 3942 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 3943 | Bronco Resources Inc. | | Oil Operator | Dec 1984 |
| 3944 | Bronco Z Production | San Antonio, TX 78217 | Oil & Gas Operator | Jul 1998 |
| 3945 | Bronson, Joshua C. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 3946 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 3947 | Brooken Production Company LLC | Tulsa, OK 74170-1354 | Gas Operator | Jul 2025 |
| 3948 | Brooklyn Union Expl. Co., Inc. | | Oil & Gas Operator | Jul 1994 |
| 3949 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 3950 | Brooks And Lee | | Oil & Gas Operator | Dec 1994 |
| 3951 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 3952 | Brooks Energy Company | Tulsa, OK 74114-3304 | Oil & Gas Operator | Jul 2008 |
| 3953 | Brooks Exploration Inc | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 3954 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 3955 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Dec 2025 |
| 3956 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Dec 2025 |
| 3957 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 3958 | Brooks Range Petroleum | | Oil & Gas Operator | Nov 2019 |
| 3959 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 3960 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 3961 | Brooks, Ron Corporation | Hutchinson, KS 67502 | Gas Operator | Apr 1999 |
| 3962 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 3963 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 2025 |
| 3964 | Brookston Resources, Inc | Newburgh, IN 47630 | Oil Operator | Dec 2023 |
| 3965 | Brookwater Energy Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 3966 | Brookwood Oil Company | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2002 |
| 3967 | Broschat Engineering & Management Services, Inc. | | Oil & Gas Operator | May 2017 |
| 3968 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 3969 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Dec 2025 |
| 3970 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Dec 2025 |
| 3971 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 3972 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Dec 2025 |
| 3973 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 3974 | Broughton Brothers Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 3975 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 3976 | Broughton Oil | | Oil Operator | Nov 1985 |
| 3977 | Broughton Operating Corp. | Pittsburgh, PA 15219 | Oil & Gas Operator | Nov 2000 |
| 3978 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 3979 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 3980 | Brower Oil & Gas Inc | Jenks, OK 74037 | Oil & Gas Operator | Nov 2022 |
| 3981 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2025 |
| 3982 | Brown & Bickerstaff | | Oil & Gas Operator | Oct 1991 |
| 3983 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2025 |
| 3984 | Brown & Brown Of Pawnee Inc | Pawnee, OK 74058-9702 | Oil Operator | Jan 2013 |
| 3985 | Brown & Brown Production Inc | Ratliff City, OK 73481 | Oil & Gas Operator | Aug 2025 |
| 3986 | Brown & Fox | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2003 |
| 3987 | Brown & McKenzie, Inc. | | Oil & Gas Operator | May 1984 |
| 3988 | Brown & Payne Oil DRLG, Inc | Hawesville, KY 42348 | Oil Operator | Dec 2023 |
| 3989 | Brown Alan L | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2025 |
| 3990 | Brown B J | Tulsa, OK 74133 | Gas Operator | Jan 2007 |
| 3991 | Brown Curt Operating Company | Tulsa, OK 74105 | Oil Operator | Nov 1998 |
| 3992 | Brown Don J | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2014 |
| 3993 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |
| 3994 | Brown Doug & Larita | Newcastle, WY 82701 | Oil & Gas Operator | Jun 2025 |
| 3995 | Brown Drilling Company | Mounds, OK 74047-4263 | Oil & Gas Operator | Oct 2020 |
| 3996 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 3997 | Brown Gene Compa | | Oil Operator | Sep 1995 |
| 3998 | Brown Gregory L Co Inc | Houston, TX 77056 | Oil & Gas Operator | Dec 1991 |
| 3999 | Brown Industrial Gas, Inc. | Tulsa, OK 74103 | Gas Operator | Sep 2013 |
| 4000 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |