| 2001 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 2002 | Bristol Resource | | Oil & Gas Operator | Jan 1995 |
| 2003 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 2004 | Bristow Resources Inc | Bristow, OK 74010-0659 | Oil & Gas Operator | Dec 2023 |
| 2005 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Apr 2024 |
| 2006 | Brite Liquids, LLC | Cheyenne Wells, CO 80810 | Oil & Gas Operator | Dec 2011 |
| 2007 | British-Borneo Exploration Inc | | Oil & Gas Operator | Dec 1999 |
| 2008 | Britlind Oil LLC | | Oil & Gas Operator | Dec 2020 |
| 2009 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2024 |
| 2010 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 2011 | Britt Oil Company LLC | Shawnee, OK 74801-9613 | Oil & Gas Operator | Jan 2024 |
| 2012 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 2013 | Brittany Energy LLC | San Antonio, TX 78209-0127 | Oil & Gas Operator | May 2019 |
| 2014 | Brittany Oil Co. | | Oil & Gas Operator | Dec 2022 |
| 2015 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
| 2016 | Brix Operating LLC | | Gas Operator | Apr 2021 |
| 2017 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 2018 | Brknco LLC | | Oil & Gas Operator | Dec 2023 |
| 2019 | Broad Oak Energy II, LLC | Irving, TX 75063 | Oil & Gas Operator | Mar 2018 |
| 2020 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 2021 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2022 | Broad Street Financial Co. | | Oil & Gas Operator | Nov 1998 |
| 2023 | Broad Street Serv LLC | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2024 | Broadhead, Walter | Grand Junction, CO 81502 | Oil & Gas Operator | Mar 2005 |
| 2025 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 2026 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Apr 2024 |
| 2027 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 2028 | Brock Acres Farm | Canandaigua, NY 14424 | Gas Operator | Dec 2022 |
| 2029 | Brock Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 1986 |
| 2030 | Brock Exploration Corporation | New Orleans, LA 70112-1707 | Oil & Gas Operator | Jan 1999 |
| 2031 | Brock Hydrocarbons Inc | | Oil & Gas Operator | Nov 1998 |
| 2032 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 2033 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 2034 | Brock Petroleum Corporation | | Oil & Gas Operator | Sep 1984 |
| 2035 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 2036 | Brock SR Kirby L | Stillwater, OK 74074-7206 | Oil Operator | Mar 2013 |
| 2037 | Brock, J. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 2038 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 2039 | Brocklebank, Terry K. | Canandaigua, NY 14424 | Gas Operator | Dec 2022 |
| 2040 | Broco Oil, LP | | Oil Operator | Dec 2023 |
| 2041 | Brocon Inc | Healdton, OK 73438-0853 | Oil & Gas Operator | May 2020 |
| 2042 | Broderick, Stanton M. And Linda A. | Irving, NY 14081 | Gas Operator | Dec 2022 |
| 2043 | Brody Oil & Gas Services, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 2044 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 2045 | Brogdon--A&K Leases | | Oil & Gas Operator | Dec 2001 |
| 2046 | Broken Feather Energy LLC | | Oil Operator | Dec 2023 |
| 2047 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Apr 2024 |
| 2048 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Apr 2024 |
| 2049 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2017 |
| 2050 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 2051 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2023 |
| 2052 | Bronco Oil & Gas Co | Casper, WY 82602 | Oil & Gas Operator | Oct 1987 |
| 2053 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2024 |
| 2054 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 2055 | Bronco Resources Inc. | | Oil Operator | Dec 1984 |
| 2056 | Bronson, Joshua C. | Canandaigua, NY 14424 | Gas Operator | Dec 2022 |
| 2057 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 2058 | Brooklyn Union Expl. Co., Inc. | | Oil & Gas Operator | Jul 1994 |
| 2059 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 2060 | Brooks And Lee | | Oil & Gas Operator | Dec 1994 |
| 2061 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 2062 | Brooks Energy Company | Tulsa, OK 74114-3304 | Oil & Gas Operator | Jul 2008 |
| 2063 | Brooks Exploration, Inc. | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 2064 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 2065 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Apr 2024 |
| 2066 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Apr 2024 |
| 2067 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 2068 | Brooks Range Petroleum | | Oil & Gas Operator | Nov 2019 |
| 2069 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 2070 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 2071 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 2072 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Apr 2024 |
| 2073 | Brookston Resources, Inc | Newburgh, IN 47630 | Oil Operator | Dec 2022 |
| 2074 | Brookwater Energy Services, LLC | | Oil & Gas Operator | Jan 2024 |
| 2075 | Brookwood Oil Company | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2002 |
| 2076 | Broschat Engineering & Management Services, Inc. | | Oil & Gas Operator | May 2017 |
| 2077 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 2078 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2024 |
| 2079 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2024 |
| 2080 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 2081 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Apr 2024 |
| 2082 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 2083 | Broughton Brothers Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 2084 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 2085 | Broughton Oil | | Oil Operator | Nov 1985 |
| 2086 | Broughton Operating Corp. | Pittsburgh, PA 15219 | Oil & Gas Operator | Nov 2000 |
| 2087 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 2088 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 2089 | Brower Oil & Gas Inc | Jenks, OK 74037 | Oil & Gas Operator | Nov 2022 |
| 2090 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2024 |
| 2091 | Brown & Bickerstaff | | Oil & Gas Operator | Oct 1991 |
| 2092 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Apr 2024 |
| 2093 | Brown & Brown Of Pawnee Inc | Pawnee, OK 74058-9702 | Oil Operator | Jan 2013 |
| 2094 | Brown & Brown Production Inc | Ratliff City, OK 73481-0248 | Oil & Gas Operator | Dec 2023 |
| 2095 | Brown & Fox | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2003 |
| 2096 | Brown & McKenzie, Inc. | | Oil & Gas Operator | May 1984 |
| 2097 | Brown & Payne Oil DRLG, Inc | Hawesville, KY 42348 | Oil Operator | Dec 2022 |
| 2098 | Brown Alan L | Pawhuska, OK 74056-0123 | Oil & Gas Operator | Dec 2023 |
| 2099 | Brown Curt Operating Company | Tulsa, OK 74105 | Oil Operator | Nov 1998 |
| 2100 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |