| 1901 | Braden-Deem Inco | | Oil & Gas Operator | Nov 1994 |
| 1902 | Bradford Oil Company | Denver, CO 80249 | Oil & Gas Operator | Jan 2026 |
| 1903 | Bradford Oil LLC | | Oil Operator | Jan 2025 |
| 1904 | Bradford Pipe | | Oil Operator | Dec 1983 |
| 1905 | Bradley & Bradley Oil, A General Partnership | Dexter, KS 67038 | Oil Operator | Sep 2009 |
| 1906 | Bradley Jr Jack C | Casper, WY 82601 | Oil & Gas Operator | Apr 2009 |
| 1907 | Bradley McInroe Dba Big Al Oil & Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 2022 |
| 1908 | Bradley Muhl And Associates | | Oil & Gas Operator | Dec 1993 |
| 1909 | Bradley Oil Company | Edmond, OK 73013 | Oil Operator | Sep 2025 |
| 1910 | Bradley Oil Corp | Oklahoma City, OK 73106 | Oil & Gas Operator | Mar 2004 |
| 1911 | Bradley Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 1912 | Bradley SR Jack C | Newcastle, WY 82701 | Oil Operator | Jun 2010 |
| 1913 | Bradley, Charles E | | Oil Operator | Dec 2023 |
| 1914 | Bradley, Charles E & Spurlock, Burl W Dba Bradley | Prestonsburg, KY 41653 | Gas Operator | Dec 2023 |
| 1915 | Bradley, Charles E Dba Bradco Oil Co | Prestonsburg, KY 41653 | Gas Operator | Dec 2023 |
| 1916 | Bradley, Charles R Dba Basin Energy Co | Prestonsburg, KY 41653 | Oil & Gas Operator | Dec 2023 |
| 1917 | Bradley, John W. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 1918 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 1919 | Bradoil, Inc. | | Gas Operator | Feb 1991 |
| 1920 | Bradshaw Carolyn G | Sterling, OK 73567 | Gas Operator | Dec 2017 |
| 1921 | Brady Brothers | Cushing, OK 74023 | Oil Operator | Apr 2014 |
| 1922 | Brady Company LLC (The) | Cushing, OK 74023 | Oil & Gas Operator | Dec 2025 |
| 1923 | Brady Energy Investments LLC | Healdton, OK 73438-0788 | Oil & Gas Operator | Nov 2025 |
| 1924 | Brady Fred D | Cleveland, OK 74020 | Oil & Gas Operator | Mar 1997 |
| 1925 | Brady Oil Company Inc | Sasakwa, OK 74867-9723 | Oil Operator | Jun 2017 |
| 1926 | Brady Production | Saskawa, OK 74867-9723 | Oil & Gas Operator | Aug 2019 |
| 1927 | Brady Resources, Inc. | Bridgeport, WV 26330-1320 | Oil & Gas Operator | Dec 2008 |
| 1928 | Brady Warnie E | Sasakwa, OK 74867 | Oil Operator | Mar 2004 |
| 1929 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | Mar 2025 |
| 1930 | Brady, W. Production, Inc. | Midland, TX 79708 | Oil & Gas Operator | Feb 2026 |
| 1931 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 1932 | Brahaney Drilling Company, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2015 |
| 1933 | Brahman Oil & Gas, LLC | Houston, TX 77063 | Oil & Gas Operator | Feb 2026 |
| 1934 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 1935 | Brainstorm Energy, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Oct 2025 |
| 1936 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Feb 2026 |
| 1937 | Brake Inc. | | Oil & Gas Operator | Sep 2017 |
| 1938 | Bralex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 1939 | Braley, William R. | Gage, OK 73843 | Oil & Gas Operator | Jul 2004 |
| 1940 | Bralko Energy Inc | Rock Creek, OH 44084 | Oil & Gas Operator | Dec 1987 |
| 1941 | Bralorne International, Inc. | | Oil Operator | Jan 1987 |
| 1942 | Braman Working Interests LP | Victoria, TX 77902 | Oil & Gas Operator | Jun 2015 |
| 1943 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 1944 | Bramble Oil Company | Wichita, KS 67206 | Oil & Gas Operator | Mar 2007 |
| 1945 | Bramlett Corporation | Medford, OK 73759 | Oil & Gas Operator | Dec 2025 |
| 1946 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 1947 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 1948 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 1949 | Brammer-Keystone Energy, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 1950 | Bramwell Petrole | | Oil & Gas Operator | Dec 1995 |
| 1951 | Bramwell Petroleum, Inc. | Zenda, KS 67159 | Oil & Gas Operator | Sep 2025 |
| 1952 | Brana Corp | Albuquerque, NM 87102 | Gas Operator | Nov 1994 |
| 1953 | Branch Investment Corporation | | Oil & Gas Operator | Jan 2025 |
| 1954 | Branch John D | Warren, PA 16365-8356 | Oil & Gas Operator | Dec 2025 |
| 1955 | Branch Oil & Gas | Shelby, MT 59474-0766 | Oil & Gas Operator | Jul 2010 |
| 1956 | Branch Production | | Oil Operator | Dec 2017 |
| 1957 | Branch Productions | Graham, TX 76450 | Oil & Gas Operator | May 2019 |
| 1958 | Branch, Jerry L. | | Oil & Gas Operator | Jul 1999 |
| 1959 | Brand Oil & Gas Inc | Oklahoma City, OK 73165-8911 | Oil & Gas Operator | May 2013 |
| 1960 | Brandenburg R P | Oklahoma City, OK 73139 | Oil & Gas Operator | Jun 2006 |
| 1961 | Brander, Sam H. | San Antonio, TX 78264 | Oil & Gas Operator | Feb 2026 |
| 1962 | Brandes Petroleum, B.P.C.,Inc. | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |
| 1963 | Brandli Oil Inc | | Oil Operator | Jan 2026 |
| 1964 | Brandon Energy, Inc. | Bullard, TX 75757 | Oil & Gas Operator | Nov 2007 |
| 1965 | Brandon Oil Company | Sunburst, MT 59482 | Oil & Gas Operator | Feb 2023 |
| 1966 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 1967 | Brandt Production Company, Inc. | Wichita, KS 67230 | Oil Operator | Jan 2003 |
| 1968 | Brandt, Bodie | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 1969 | Brange | | Oil & Gas Operator | Oct 2009 |
| 1970 | Brangus Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1971 | Branham Oil & Gas | Nowata, OK 74048-9630 | Oil & Gas Operator | Oct 2020 |
| 1972 | Branney Operating Co Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 1995 |
| 1973 | Brannon Oil & Gas Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2013 |
| 1974 | Branson Production Company | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Aug 2002 |
| 1975 | Branstetter Olin R | Ponca City, OK 74601-3432 | Oil Operator | Jul 2001 |
| 1976 | Brant Energy LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 1977 | Branta Production Company LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2026 |
| 1978 | Brasel R Gene | Middleport, OH 45760 | Oil & Gas Operator | Dec 2015 |
| 1979 | Brashear Production Service, Inc | Longview, TX 75602 | Oil & Gas Operator | Mar 2008 |
| 1980 | Brask-Dumont Ranch, Inc. | Houston, TX 77255 | Oil & Gas Operator | Feb 2026 |
| 1981 | Brass Oil | | Oil Operator | Aug 2025 |
| 1982 | Brasseaux Oil Company | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2008 |
| 1983 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Nov 2025 |
| 1984 | Bratco Operating Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Dec 2025 |
| 1985 | Bratton Energy | Danville, OH 43014 | Oil & Gas Operator | Dec 2024 |
| 1986 | Braun, John | Victoria, KS 67671 | Oil Operator | Oct 2019 |
| 1987 | Bravo Arkoma LLC | Tulsa, OK 74103-3100 | Oil & Gas Operator | Nov 2025 |
| 1988 | Bravo Natural Gas, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2012 |
| 1989 | Bravo Natural Resources, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 1990 | Bravo Operating Company | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1995 |
| 1991 | Brawand H William | Wilcox, PA 15870-0373 | Oil & Gas Operator | Dec 2025 |
| 1992 | Brawley Petroleum Corporation | Lubbock, TX 79424 | Gas Operator | Aug 2017 |
| 1993 | Braxton Oil And Gas Corp. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2021 |
| 1994 | Bray Drilling Co., Inc. | | Oil Operator | Feb 1982 |
| 1995 | Bray-Conn Resources, LLC | Wichita Falls, TX 76307 | Oil Operator | Dec 2011 |
| 1996 | Brayton Oil Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Dec 1994 |
| 1997 | Brayton Operating Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Sep 2009 |
| 1998 | Brayton-Hodges Petroleum Inc. | | Oil & Gas Operator | Dec 2025 |
| 1999 | Brazos Geological Consulting LTD. Co. | College Sta, TX 77840 | Oil Operator | Feb 2026 |
| 2000 | Brazos Oil Co. | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Feb 2008 |