| 2101 | Briggs Operating Co | | Oil & Gas Operator | Nov 1998 |
| 2102 | Briggs Properties, L.L.C. | | Oil Operator | Mar 2015 |
| 2103 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 2104 | Brigham Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Feb 2026 |
| 2105 | Brigham Resources Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Jun 2017 |
| 2106 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 2107 | Bright & Schiff | | Oil & Gas Operator | Dec 1977 |
| 2108 | Bright Hawk Operating Company | Spring, TX 77388 | Oil & Gas Operator | Feb 2026 |
| 2109 | Bright Horizon Resources LLC | Tulsa, OK 74136-4220 | Oil & Gas Operator | Sep 2016 |
| 2110 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 2111 | Bright North Explorations LTD. | Canada, 00100 | Oil & Gas Operator | Feb 2026 |
| 2112 | Bright Oil & Gas Inc R E Osage Only | | Oil & Gas Operator | Nov 2012 |
| 2113 | Bright Oil Company | Cumming, GA 30028 | Oil & Gas Operator | Feb 2026 |
| 2114 | Bright Rock Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
| 2115 | Bright Well Oil & Gas Co | Armagh, PA 15920-0229 | Gas Operator | Dec 2023 |
| 2116 | Bright, Wayne E. | Independence, KS 67301 | Oil & Gas Operator | Sep 2025 |
| 2117 | Brightman Family Trust | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 2118 | Brightman, Tom | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 2119 | Brighton Energy, L.L.C. | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 2120 | Brightriver Energy Co | Katy, TX 77494 | Oil & Gas Operator | Feb 2026 |
| 2121 | Brightspot Operating LLC | Katy, TX 77494 | Oil & Gas Operator | Feb 2026 |
| 2122 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 2123 | Brilex LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2024 |
| 2124 | Briley Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 2125 | Brill Dorothy L | Jenks, OK 74037 | Oil & Gas Operator | Apr 2020 |
| 2126 | Brim, Jim | Brownwood, TX 76801 | Oil & Gas Operator | Feb 2026 |
| 2127 | Brindle/Thomas | | Oil & Gas Operator | Dec 2023 |
| 2128 | Brinker Enterprises, LLC | Glen Elder, KS 67446 | Oil Operator | Sep 2025 |
| 2129 | Brinker Henry Milton | Delmont, PA 15626-1208 | Oil & Gas Operator | Dec 2020 |
| 2130 | Brinkerhoff Drilling Co | | Oil & Gas Operator | Jul 1975 |
| 2131 | Brinkerhoff, Bob | Houston, TX 77257 | Gas Operator | Feb 1994 |
| 2132 | Brinkley, Amy M. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 2133 | Brinkoeter Gas & Oil | Converse, TX 78109 | Oil & Gas Operator | Aug 2004 |
| 2134 | Brisco, W. M. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2003 |
| 2135 | Briscoe Land Development Inc | Geary, OK 73040 | Oil Operator | May 2013 |
| 2136 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 2137 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 2138 | Briscoe Petroleum, LLC | Sheridan, WY 82801 | Oil & Gas Operator | Jan 2026 |
| 2139 | Briscoe R D Inc | Sheridan, WY 82801-7103 | Gas Operator | Mar 2015 |
| 2140 | Briscoe, Glenn D. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2002 |
| 2141 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 2142 | Bristol Exploration, Inc. | | Oil & Gas Operator | Jul 1991 |
| 2143 | Bristol Resource | | Oil & Gas Operator | Jan 1995 |
| 2144 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 2145 | Bristow Resources Inc | Bristow, OK 74010-0659 | Oil & Gas Operator | Nov 2025 |
| 2146 | Briswell Co | Warren, OH 44484 | Oil & Gas Operator | Dec 2024 |
| 2147 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Feb 2026 |
| 2148 | Brite Liquids, LLC | Cheyenne Wells, CO 80810 | Oil & Gas Operator | Dec 2011 |
| 2149 | British-Borneo Exploration Inc | | Oil & Gas Operator | Dec 1999 |
| 2150 | Britlind Oil LLC | | Oil & Gas Operator | Dec 2020 |
| 2151 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Feb 2026 |
| 2152 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 2153 | Britt Oil Company LLC | Shawnee, OK 74801-9613 | Oil & Gas Operator | Dec 2025 |
| 2154 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 2155 | Brittany Energy LLC | San Antonio, TX 78209 | Oil & Gas Operator | May 2019 |
| 2156 | Brittany Oil Co. | | Oil & Gas Operator | Dec 2022 |
| 2157 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Feb 2026 |
| 2158 | Britton, Jerald C. | Graham, TX 76450 | Oil & Gas Operator | Jul 2021 |
| 2159 | Brix Operating LLC | | Gas Operator | Apr 2021 |
| 2160 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 2161 | Brknco LLC | | Oil & Gas Operator | Dec 2025 |
| 2162 | Broad Oak Energy II, LLC | Irving, TX 75063 | Oil & Gas Operator | Mar 2018 |
| 2163 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 2164 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2165 | Broad Street Financial Co. | | Oil & Gas Operator | Nov 1998 |
| 2166 | Broad Street Serv LLC | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2167 | Broadhead, Walter | Grand Junction, CO 81502 | Oil & Gas Operator | Mar 2005 |
| 2168 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 2169 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Feb 2026 |
| 2170 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 2171 | Brock Acres Farm | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2172 | Brock Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Jun 1986 |
| 2173 | Brock Exploration Corp | New Orleans, LA 70112-1707 | Oil & Gas Operator | Jan 1999 |
| 2174 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 2175 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 2176 | Brock Petroleum Corporation | | Oil & Gas Operator | Sep 1984 |
| 2177 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 2178 | Brock SR Kirby L | Stillwater, OK 74074-7206 | Oil Operator | Mar 2013 |
| 2179 | Brock, J. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 2180 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 2181 | Brock, Leo Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 2182 | Brocklebank, Terry K. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2183 | Broco Oil, LP | | Oil & Gas Operator | Nov 2024 |
| 2184 | Brocon Inc | Healdton, OK 73438 | Oil & Gas Operator | May 2020 |
| 2185 | Broderick, Stanton M. And Linda A. | Irving, NY 14081 | Gas Operator | Dec 2024 |
| 2186 | Brody Oil & Gas Services, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Feb 2026 |
| 2187 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 2188 | Brogdon--A&K Leases | | Oil & Gas Operator | Dec 2001 |
| 2189 | Broken Arrow Petroleum Company | | Gas Operator | May 2013 |
| 2190 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Feb 2026 |
| 2191 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Feb 2026 |
| 2192 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 2193 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 2194 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2024 |
| 2195 | Bronco Energy | | Oil & Gas Operator | Oct 1983 |
| 2196 | Bronco Oil & Gas Co | Casper, WY 82602 | Oil & Gas Operator | Oct 1987 |
| 2197 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 2198 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 2199 | Bronco Resources Inc. | | Oil Operator | Dec 1984 |
| 2200 | Bronco Z Production | San Antonio, TX 78217 | Oil & Gas Operator | Jul 1998 |