| 1801 | BPX (KCS Resources), LLC | | Oil & Gas Operator | Feb 2022 |
| 1802 | BPX Operating Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 1803 | BR Corporation | Independence, KS 67301 | Gas Operator | Feb 2003 |
| 1804 | Bra-De Oil & Gas Inc. | Montague, TX 76251 | Oil & Gas Operator | Jun 2016 |
| 1805 | Bra-De Oil & Gas Operating, LLC | Montague, TX 76251 | Oil & Gas Operator | Jun 2025 |
| 1806 | Bra-De Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2005 |
| 1807 | Brac Oil | La Vernia, TX 78121 | Oil Operator | Jun 2025 |
| 1808 | Brackeen Line Cleaning, Inc. | Claflin, KS 67525 | Oil Operator | Feb 2025 |
| 1809 | Bracken Energy Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2015 |
| 1810 | Bracken Operating, L.L.C. | Perryton, TX 79070 | Oil & Gas Operator | Jun 2025 |
| 1811 | Bracken Production Company | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 1812 | Bracksieck Lloyd H | Boulder, CO 80303 | Oil & Gas Operator | Feb 2019 |
| 1813 | Brad Acree Pet. Consultants | | Oil & Gas Operator | Apr 1986 |
| 1814 | Bradberry Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2013 |
| 1815 | Bradco Oil & Gas Company | | Oil & Gas Operator | Dec 1980 |
| 1816 | Bradco Oil Inc | Cleveland, OK 74020-3520 | Oil Operator | Jun 2023 |
| 1817 | Braden Companies Inc | Edmond, OK 73013-3671 | Oil & Gas Operator | Mar 2025 |
| 1818 | Braden Development Co | Marietta, OH 45750 | Oil & Gas Operator | Dec 1990 |
| 1819 | Braden Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2011 |
| 1820 | Braden Oil | | Oil & Gas Operator | Mar 2007 |
| 1821 | Braden Oil Compa | | Gas Operator | Jul 1992 |
| 1822 | Braden Petroleum | | Oil Operator | Oct 1988 |
| 1823 | Braden Petroleum & Well Plugging Company | | Oil Operator | Dec 2009 |
| 1824 | Braden Petroleum Company | Augusta, KS 67010 | Oil Operator | Apr 2008 |
| 1825 | Braden-Deem Inc | Wichita, KS 67226 | Oil & Gas Operator | Jan 2025 |
| 1826 | Braden-Deem Inco | | Oil & Gas Operator | Nov 1994 |
| 1827 | Bradford Oil Company | Denver, CO 80249 | Oil & Gas Operator | Apr 2025 |
| 1828 | Bradford Oil LLC | | Oil Operator | Jan 2025 |
| 1829 | Bradford Pipe | | Oil Operator | Dec 1983 |
| 1830 | Bradley & Bradley Oil, A General Partnership | Dexter, KS 67038 | Oil Operator | Sep 2009 |
| 1831 | Bradley Jr Jack C | Casper, WY 82601 | Oil & Gas Operator | Apr 2009 |
| 1832 | Bradley McInroe Dba Big Al Oil & Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 2022 |
| 1833 | Bradley Muhl And Associates | | Oil & Gas Operator | Dec 1993 |
| 1834 | Bradley Oil Company | Edmond, OK 73013 | Oil Operator | Feb 2025 |
| 1835 | Bradley Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Jun 2025 |
| 1836 | Bradley SR Jack C | Newcastle, WY 82701 | Oil Operator | Jun 2010 |
| 1837 | Bradley, Charles E | | Oil Operator | Dec 2023 |
| 1838 | Bradley, Charles E & Spurlock, Burl W Dba Bradley | Prestonsburg, KY 41653 | Gas Operator | Dec 2023 |
| 1839 | Bradley, Charles E Dba Bradco Oil Co | Prestonsburg, KY 41653 | Gas Operator | Dec 2023 |
| 1840 | Bradley, Charles R Dba Basin Energy Co | Prestonsburg, KY 41653 | Oil & Gas Operator | Dec 2023 |
| 1841 | Bradley, John W. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2025 |
| 1842 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 1843 | Bradoil, Inc. | | Gas Operator | Feb 1991 |
| 1844 | Brady Brothers | Cushing, OK 74023 | Oil Operator | Apr 2014 |
| 1845 | Brady Company LLC (The) | Cushing, OK 74023 | Oil & Gas Operator | Feb 2025 |
| 1846 | Brady Energy Investments LLC | Healdton, OK 73438-0788 | Oil & Gas Operator | Feb 2025 |
| 1847 | Brady Fred D | Cleveland, OK 74020 | Oil & Gas Operator | Mar 1997 |
| 1848 | Brady Oil Company Inc | Sasakwa, OK 74867-9723 | Oil Operator | Jun 2017 |
| 1849 | Brady Production | Saskawa, OK 74867-9723 | Oil & Gas Operator | Aug 2019 |
| 1850 | Brady Resources, Inc. | Bridgeport, WV 26330-1320-1320 | Oil & Gas Operator | Dec 2008 |
| 1851 | Brady Warnie E | Sasakwa, OK 74867 | Oil Operator | Mar 2004 |
| 1852 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | Mar 2025 |
| 1853 | Brady, W. Production, Inc. | Midland, TX 79708 | Oil & Gas Operator | Jun 2025 |
| 1854 | Brahaney Drilling Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2014 |
| 1855 | Brahaney Drilling Company, LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2015 |
| 1856 | Brahman Oil & Gas, LLC | Houston, TX 77063 | Oil & Gas Operator | Jun 2025 |
| 1857 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 1858 | Brainstorm Energy, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Dec 2024 |
| 1859 | Braka Operating, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Jun 2025 |
| 1860 | Brake Inc. | | Oil & Gas Operator | Sep 2017 |
| 1861 | Bralex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Jun 2025 |
| 1862 | Braley, William R. | Gage, OK 73843 | Oil & Gas Operator | Jul 2004 |
| 1863 | Bralorne International, Inc. | | Oil Operator | Jan 1987 |
| 1864 | Braman Working Interests LP | Victoria, TX 77902 | Oil & Gas Operator | Jun 2015 |
| 1865 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 1866 | Bramble Oil Company | Wichita, KS 67206 | Oil & Gas Operator | Mar 2007 |
| 1867 | Bramlett Corporation | Medford, OK 73759 | Oil & Gas Operator | Mar 2025 |
| 1868 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2025 |
| 1869 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Jun 2025 |
| 1870 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 1871 | Brammer-Keystone Energy, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 1872 | Bramwell Petrole | | Oil & Gas Operator | Dec 1995 |
| 1873 | Bramwell Petroleum, Inc. | Zenda, KS 67159 | Oil & Gas Operator | Feb 2025 |
| 1874 | Branch Investment Corporation | | Oil & Gas Operator | Jan 2025 |
| 1875 | Branch John D | Warren, PA 16365-8356 | Oil & Gas Operator | Dec 2023 |
| 1876 | Branch Oil & Gas | Shelby, MT 59474-0766 | Oil & Gas Operator | Jul 2010 |
| 1877 | Branch Production | | Oil Operator | Dec 2017 |
| 1878 | Branch Productions | Graham, TX 76450 | Oil & Gas Operator | May 2019 |
| 1879 | Branch, Jerry L. | | Oil & Gas Operator | Jul 1999 |
| 1880 | Brand Oil & Gas Inc | Oklahoma City, OK 73165-8911 | Oil & Gas Operator | May 2013 |
| 1881 | Brandenburg R P | Oklahoma City, OK 73139 | Oil & Gas Operator | Jun 2006 |
| 1882 | Brander, Sam H. | San Antonio, TX 78264 | Oil & Gas Operator | Jun 2025 |
| 1883 | Brandes Petroleum, B.P.C.,Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2025 |
| 1884 | Brandie Oil, LLC | Nowata, OK 74048 | Oil Operator | Mar 2025 |
| 1885 | Brandli Oil Inc | | Oil Operator | Apr 2025 |
| 1886 | Brandly Oilman Consultants Inc | | Oil & Gas Operator | Mar 2006 |
| 1887 | Brandon Energy, Inc. | Bullard, TX 75757 | Oil & Gas Operator | Nov 2007 |
| 1888 | Brandon Oil Company | Sunburst, MT 59482 | Oil & Gas Operator | Feb 2023 |
| 1889 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 1890 | Brandt Production Company, Inc. | Wichita, KS 67230 | Oil Operator | Jan 2003 |
| 1891 | Brandt, Bodie | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2025 |
| 1892 | Brange | | Oil & Gas Operator | Oct 2009 |
| 1893 | Brangus Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 1894 | Branham Oil & Gas | Nowata, OK 74048-9630 | Oil & Gas Operator | Oct 2020 |
| 1895 | Branney Operating Co Inc | Uniontown, OH 44685 | Oil & Gas Operator | Dec 1995 |
| 1896 | Brannon Oil & Gas Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2013 |
| 1897 | Branson Production Company | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Aug 2002 |
| 1898 | Branstetter Olin R | Ponca City, OK 74601-3432 | Oil Operator | Jul 2001 |
| 1899 | Brant Energy, LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 1900 | Branta Production Company LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2025 |