| 2001 | Brightriver Energy Co | Katy, TX 77494 | Oil & Gas Operator | Jun 2026 |
| 2002 | Brightspot Operating LLC | Katy, TX 77494 | Oil & Gas Operator | Jun 2026 |
| 2003 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 2004 | Brilex LLC | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2025 |
| 2005 | Briley Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Jun 2026 |
| 2006 | Brindle/Thomas | | Oil & Gas Operator | Dec 2023 |
| 2007 | Brinker Enterprises, LLC | Glen Elder, KS 67446 | Oil Operator | Feb 2026 |
| 2008 | Brinker Henry Milton | Delmont, PA 15626-1208 | Oil & Gas Operator | Dec 2020 |
| 2009 | Brinkerhoff Drilling Co | | Oil & Gas Operator | Jul 1975 |
| 2010 | Brinkley, Amy M. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 2011 | Brinkoeter Gas & Oil | Converse, TX 78109 | Oil & Gas Operator | Aug 2004 |
| 2012 | Brisco, W. M. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2003 |
| 2013 | Briscoe Land Development Inc | Geary, OK 73040 | Oil Operator | May 2013 |
| 2014 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 2015 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 2016 | Briscoe Petroleum, LLC | Sheridan, WY 82801 | Oil & Gas Operator | Mar 2026 |
| 2017 | Briscoe R D Inc | Sheridan, WY 82801-7103 | Gas Operator | Mar 2015 |
| 2018 | Briscoe, Glenn D. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2002 |
| 2019 | Brishoma Oil Company | Broken Arrow, OK 74012-4030 | Oil & Gas Operator | Feb 2010 |
| 2020 | Bristol Resource | | Oil & Gas Operator | Jan 1995 |
| 2021 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 2022 | Bristow Resources Inc | Bristow, OK 74010-0659 | Oil & Gas Operator | Feb 2026 |
| 2023 | Briswell Co | Warren, OH 44484 | Oil & Gas Operator | Dec 2025 |
| 2024 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Jun 2026 |
| 2025 | Brite Liquids, LLC | Cheyenne Wells, CO 80810 | Oil & Gas Operator | Dec 2011 |
| 2026 | British-Borneo Exploration Inc | | Oil & Gas Operator | Dec 1999 |
| 2027 | Britlind Oil LLC | | Oil & Gas Operator | Dec 2020 |
| 2028 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 2029 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 2030 | Britt Oil Company LLC | Shawnee, OK 74801-9613 | Oil & Gas Operator | Mar 2026 |
| 2031 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 2032 | Brittany Energy LLC | San Antonio, TX 78209 | Oil & Gas Operator | May 2019 |
| 2033 | Brittany Oil Co. | | Oil & Gas Operator | Dec 2022 |
| 2034 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Jun 2026 |
| 2035 | Brix Operating LLC | | Gas Operator | Apr 2021 |
| 2036 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 2037 | Brknco LLC | | Oil & Gas Operator | Mar 2026 |
| 2038 | Broad Oak Energy II, LLC | Irving, TX 75063 | Oil & Gas Operator | Mar 2018 |
| 2039 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 2040 | Broad Street Energy Company | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2041 | Broad Street Financial Co. | | Oil & Gas Operator | Nov 1998 |
| 2042 | Broad Street Serv LLC | Columbus, OH 43204 | Oil & Gas Operator | Dec 2014 |
| 2043 | Broadhead, Walter | Grand Junction, CO 81502 | Oil & Gas Operator | Mar 2005 |
| 2044 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 2045 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Jun 2026 |
| 2046 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 2047 | Brock Acres Farm | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2048 | Brock Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Jun 1986 |
| 2049 | Brock Exploration Corp | New Orleans, LA 70112-1707 | Oil & Gas Operator | Jan 1999 |
| 2050 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 2051 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 2052 | Brock Petroleum Corporation | | Oil & Gas Operator | Sep 1984 |
| 2053 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 2054 | Brock SR Kirby L | Stillwater, OK 74074-7206 | Oil Operator | Mar 2013 |
| 2055 | Brock, J. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 2056 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 2057 | Brocklebank, Terry K. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2058 | Broco Oil, LP | | Oil & Gas Operator | Nov 2024 |
| 2059 | Brocon Inc | Healdton, OK 73438 | Oil & Gas Operator | May 2020 |
| 2060 | Broderick, Stanton M. And Linda A. | Irving, NY 14081 | Gas Operator | Dec 2024 |
| 2061 | Brody Oil & Gas Services, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Jun 2026 |
| 2062 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 2063 | Brogdon--A&K Leases | | Oil & Gas Operator | Dec 2001 |
| 2064 | Broken Feather Energy LLC | Haskell, OK 74436-2482 | Oil Operator | Feb 2026 |
| 2065 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Jun 2026 |
| 2066 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Jun 2026 |
| 2067 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 2068 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 2069 | Bromley Harold J | Thornville, OH 43076 | Oil Operator | Dec 2025 |
| 2070 | Bronco Oil & Gas Co | Casper, WY 82602 | Oil & Gas Operator | Oct 1987 |
| 2071 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 2072 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 2073 | Bronco Resources Inc. | | Oil Operator | Dec 1984 |
| 2074 | Bronson, Joshua C. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2075 | Brook Valley Oil & Gas Inc | Dayton, OH 45419 | Oil & Gas Operator | Dec 2014 |
| 2076 | Brooken Production Company LLC | Tulsa, OK 74170-1354 | Gas Operator | Mar 2026 |
| 2077 | Brooklyn Union Expl. Co., Inc. | | Oil & Gas Operator | Jul 1994 |
| 2078 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 2079 | Brooks And Lee | | Oil & Gas Operator | Dec 1994 |
| 2080 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 2081 | Brooks Energy Company | Tulsa, OK 74114-3304 | Oil & Gas Operator | Jul 2008 |
| 2082 | Brooks Exploration Inc | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
| 2083 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 2084 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Jun 2026 |
| 2085 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Jun 2026 |
| 2086 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 2087 | Brooks Range Petroleum | | Oil & Gas Operator | Nov 2019 |
| 2088 | Brooks Ron Corpo | | Oil & Gas Operator | Sep 1995 |
| 2089 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 2090 | Brooks, Wanita M. | Moore, OK 73153 | Oil Operator | Jul 2003 |
| 2091 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Jun 2026 |
| 2092 | Brookston Resources, Inc | Newburgh, IN 47630 | Oil Operator | Dec 2023 |
| 2093 | Brookwater Energy Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 2094 | Brookwood Oil Company | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2002 |
| 2095 | Broschat Engineering & Management Services, Inc. | | Oil & Gas Operator | May 2017 |
| 2096 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 2097 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jun 2026 |
| 2098 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Jun 2026 |
| 2099 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 2100 | Brotherton Production Co. | Spokane Valle, WA 99216 | Oil & Gas Operator | Jun 2026 |