| 2101 | Broken Arrow Petroleum Company | | Gas Operator | May 2013 |
| 2102 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Jul 2025 |
| 2103 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Jul 2025 |
| 2104 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 2105 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 2106 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2024 |
| 2107 | Bronco Oil & Gas Co | Casper, WY 82602 | Oil & Gas Operator | Oct 1987 |
| 2108 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 2109 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 2110 | Bronco Resources Inc. | | Oil Operator | Dec 1984 |
| 2111 | Bronson, Joshua C. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2112 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 2113 | Brooken Production Company LLC | Tulsa, OK 74170-1354 | Gas Operator | Apr 2025 |
| 2114 | Brooklyn Union Expl. Co., Inc. | | Oil & Gas Operator | Jul 1994 |
| 2115 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 2116 | Brooks And Lee | | Oil & Gas Operator | Dec 1994 |
| 2117 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 2118 | Brooks Energy Company | Tulsa, OK 74114-3304 | Oil & Gas Operator | Jul 2008 |
| 2119 | Brooks Exploration, Inc. | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 2120 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 2121 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Jul 2025 |
| 2122 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Jul 2025 |
| 2123 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 2124 | Brooks Range Petroleum | | Oil & Gas Operator | Nov 2019 |
| 2125 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 2126 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 2127 | Brooks, Ron Corporation | Hutchinson, KS 67502 | Gas Operator | Apr 1999 |
| 2128 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 2129 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Jul 2025 |
| 2130 | Brookston Resources, Inc | Newburgh, IN 47630 | Oil Operator | Dec 2023 |
| 2131 | Brookwater Energy Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 2132 | Brookwood Oil Company | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2002 |
| 2133 | Broschat Engineering & Management Services, Inc. | | Oil & Gas Operator | May 2017 |
| 2134 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 2135 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2025 |
| 2136 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2025 |
| 2137 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 2138 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Jul 2025 |
| 2139 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 2140 | Broughton Brothers Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 2141 | Broughton Foods Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 2010 |
| 2142 | Broughton Oil | | Oil Operator | Nov 1985 |
| 2143 | Broughton Operating Corp. | Pittsburgh, PA 15219 | Oil & Gas Operator | Nov 2000 |
| 2144 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 2145 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 2146 | Brower Oil & Gas Inc | Jenks, OK 74037 | Oil & Gas Operator | Nov 2022 |
| 2147 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2025 |
| 2148 | Brown & Bickerstaff | | Oil & Gas Operator | Oct 1991 |
| 2149 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Jul 2025 |
| 2150 | Brown & Brown Of Pawnee Inc | Pawnee, OK 74058-9702 | Oil Operator | Jan 2013 |
| 2151 | Brown & Brown Production Inc | Ratliff City, OK 73481 | Oil & Gas Operator | Apr 2025 |
| 2152 | Brown & Fox | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2003 |
| 2153 | Brown & McKenzie, Inc. | | Oil & Gas Operator | May 1984 |
| 2154 | Brown & Payne Oil DRLG, Inc | Hawesville, KY 42348 | Oil Operator | Dec 2023 |
| 2155 | Brown Alan L | Pawhuska, OK 74056 | Oil & Gas Operator | Mar 2025 |
| 2156 | Brown B J | Tulsa, OK 74133 | Gas Operator | Jan 2007 |
| 2157 | Brown Brothers | Texhoma, OK 73949 | Oil & Gas Operator | Apr 2025 |
| 2158 | Brown Curt Operating Company | Tulsa, OK 74105 | Oil Operator | Nov 1998 |
| 2159 | Brown Don J | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2014 |
| 2160 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |
| 2161 | Brown Doug & Larita | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2024 |
| 2162 | Brown Drilling Company | Mounds, OK 74047-4263 | Oil & Gas Operator | Oct 2020 |
| 2163 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 2164 | Brown Gene Compa | | Oil Operator | Sep 1995 |
| 2165 | Brown Gregory L Co Inc | Houston, TX 77056 | Oil & Gas Operator | Dec 1991 |
| 2166 | Brown Industrial Gas, Inc. | Tulsa, OK 74103 | Gas Operator | Sep 2013 |
| 2167 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
| 2168 | Brown Jeff J Dba Brown Service Co | Enid, OK 73701 | Oil & Gas Operator | May 2025 |
| 2169 | Brown Jr Roy M | Sasakwa, OK 74867 | Oil Operator | Nov 2016 |
| 2170 | Brown Kenny Ente | | Oil Operator | Jul 1995 |
| 2171 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 2172 | Brown L S | Hominy, OK 74035 | Oil & Gas Operator | Sep 2024 |
| 2173 | Brown Oil & Gas Co. | Mexia, TX 76667 | Oil & Gas Operator | Jul 2025 |
| 2174 | Brown Oil & Gas LLC | | Oil & Gas Operator | Apr 2025 |
| 2175 | Brown Oil Properties | | Oil Operator | Nov 1983 |
| 2176 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 2177 | Brown Operating & MGMT Corp. | | Oil & Gas Operator | Feb 1991 |
| 2178 | Brown Operating Inc | Casper, WY 82602 | Oil & Gas Operator | May 2019 |
| 2179 | Brown Phillip H Jr. Corporatio | Lowell, OH 45744 | Oil & Gas Operator | Dec 2002 |
| 2180 | Brown Shirley | Buffalo, WY 82834 | Oil & Gas Operator | Oct 2010 |
| 2181 | Brown Tank & Equipment Inc | Blackwell, OK 74631-5600 | Oil Operator | Oct 2000 |
| 2182 | Brown Tom Constr | | Oil Operator | Dec 1995 |
| 2183 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 2184 | Brown Vernon L & Bonita | Cleveland, OK 74020-4426 | Oil & Gas Operator | Apr 2009 |
| 2185 | Brown VIola E. | Plainville, KS 67663 | Oil Operator | May 2014 |
| 2186 | Brown, Al A. | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 2187 | Brown, Buddy | Livingston, TX 77351 | Oil & Gas Operator | Jul 2025 |
| 2188 | Brown, C. Douglas, LLC | Dallas, TX 75209 | Oil & Gas Operator | Dec 2005 |
| 2189 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 2190 | Brown, Darryl | Graham, TX 76450 | Oil Operator | Dec 1995 |
| 2191 | Brown, Darryl Operating L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 2192 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 2193 | Brown, Edward L. | | Oil Operator | Sep 1980 |
| 2194 | Brown, Frank | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 2195 | Brown, Gene Company | Plainville, KS 67663 | Oil Operator | May 1996 |
| 2196 | Brown, Geo. R Partnership,LP,The | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 2197 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 2198 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 2199 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 2200 | Brown, J. Burns Operating Co. | Havre, MT 59501 | Oil & Gas Operator | May 2025 |