| 1801 | B & E Oil Corporation | | Oil Operator | Sep 1985 |
| 1802 | B & E Resources LLC | Beverly, OH 45715 | Oil & Gas Operator | Dec 2024 |
| 1803 | B & F Enterprises | Ada, OK 74820 | Oil & Gas Operator | Feb 2002 |
| 1804 | B & F Oil Enterprises | | Oil Operator | Dec 1998 |
| 1805 | B & F Operating Company, Inc. | | Oil & Gas Operator | Mar 1995 |
| 1806 | B & G Energy Corporation | Dallas, TX 75214 | Oil & Gas Operator | Apr 2026 |
| 1807 | B & G Oil | Graham, TX 76450 | Oil & Gas Operator | Mar 2015 |
| 1808 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 1809 | B & G Oil Compan | | Oil Operator | Aug 1994 |
| 1810 | B & G Oil Company | | Oil & Gas Operator | Oct 2007 |
| 1811 | B & H Drilling, A General Partnership | Moline, KS 67353 | Oil Operator | Nov 2009 |
| 1812 | B & H Exploration Company | Talala, OK 74080 | Oil & Gas Operator | Dec 2000 |
| 1813 | B & H Oil Company | Oklahoma City, OK 73108 | Oil & Gas Operator | Jan 2025 |
| 1814 | B & H Oilfield Services | Midland, TX 79702 | Oil & Gas Operator | Jul 1996 |
| 1815 | B & J Developers | | Oil Operator | Oct 1995 |
| 1816 | B & J Developers Inc | Bartlesville, OK 74006-3403 | Oil & Gas Operator | Feb 2020 |
| 1817 | B & J Drilling Co | Danville, OH 43014 | Oil & Gas Operator | Dec 2025 |
| 1818 | B & K Drilling Co | Warren, OH 44481 | Oil & Gas Operator | Dec 1994 |
| 1819 | B & K Oil & Gas Co Inc | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 1820 | B & K Operating Co., Inc. | | Oil Operator | Mar 2000 |
| 1821 | B & K Partnership | Burleson, TX 76028 | Oil Operator | Aug 2025 |
| 1822 | B & L | | Oil Operator | Apr 2016 |
| 1823 | B & L Minerals, Inc. | Houston, TX 77036 | Oil & Gas Operator | Aug 2003 |
| 1824 | B & L Oil | Sardis, OH 43946 | Oil & Gas Operator | Dec 2025 |
| 1825 | B & L Oil Compan | | Oil Operator | Jun 1988 |
| 1826 | B & L Pump & Supply Company | | Oil & Gas Operator | Dec 2025 |
| 1827 | B & M Energy | Midland, TX 79705 | Oil & Gas Operator | Jul 2003 |
| 1828 | B & M Oil & Gas LLC | Bartlesville, OK 74006-5702 | Oil Operator | Feb 2026 |
| 1829 | B & M Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Dec 2011 |
| 1830 | B & M Oil Co.. A General Partner | Eldorado, KS 67042 | Oil Operator | Dec 2025 |
| 1831 | B & M Oilfield Service, Inc. | | Oil Operator | Mar 1999 |
| 1832 | B & M Operating Co., Inc. | Houston, TX 77006 | Oil & Gas Operator | Apr 2026 |
| 1833 | B & M Resources Inc. | | Oil Operator | Apr 1997 |
| 1834 | B & N Coal Inc | Dexter City, OH 45727 | Oil & Gas Operator | Dec 2025 |
| 1835 | B & N Gas Company, LLC | Marion, KS 66861 | Gas Operator | Dec 2023 |
| 1836 | B & N Oil, LLC | | Oil Operator | Nov 2025 |
| 1837 | B & N Trucking | Quitman, TX 75783 | Oil & Gas Operator | May 1996 |
| 1838 | B & O Drilling Inc | Ada, OK 74820-8065 | Oil & Gas Operator | Sep 2014 |
| 1839 | B & R Oil | Holdenville, OK 74848-4634 | Oil Operator | Mar 2015 |
| 1840 | B & R Oil, Inc. | Odessa, TX 79768 | Oil & Gas Operator | Dec 2024 |
| 1841 | B & R Operating Service | | Oil Operator | Jan 1990 |
| 1842 | B & R Operating, LLC | San Angelo, TX 76903 | Oil & Gas Operator | Jan 2007 |
| 1843 | B & R Production LLC | Paden, OK 74860 | Oil & Gas Operator | Jan 2026 |
| 1844 | B & R Resources, LLC | Solon, OH 44139-2360 | Oil & Gas Operator | Dec 2014 |
| 1845 | B & S Oil | | Oil Operator | Jun 2008 |
| 1846 | B & S Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Mar 2022 |
| 1847 | B & S Operating Co. | | Oil Operator | Jun 1996 |
| 1848 | B & S Production | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 1849 | B & S Resources LLC | Choctaw, OK 73020 | Oil Operator | Feb 2026 |
| 1850 | B & S Salvage | Post, TX 79356 | Oil & Gas Operator | Apr 2026 |
| 1851 | B & T Operating Co. | Dawson, TX 76639 | Oil & Gas Operator | Apr 2026 |
| 1852 | B & V Oil Company | | Oil Operator | Jul 2002 |
| 1853 | B & V Rocking S, LLC | Holliday, TX 76366 | Oil Operator | Apr 2026 |
| 1854 | B & W Exploration Inc. | | Oil & Gas Operator | Dec 2000 |
| 1855 | B & W Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Jan 2005 |
| 1856 | B & W Oil Inc. | Wellington, KS 67152 | Oil Operator | Apr 2000 |
| 1857 | B & W Operating, L.L.C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Feb 2026 |
| 1858 | B & W Production | Bristow, OK 74010 | Oil Operator | May 1994 |
| 1859 | B & W Southern Petroleum | The Woodlands, TX 77381 | Oil & Gas Operator | Aug 2009 |
| 1860 | B A C O, LTD. | Hardin, TX 77561 | Oil & Gas Operator | Apr 2003 |
| 1861 | B And C Oil Inc | | Oil & Gas Operator | Mar 2012 |
| 1862 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Apr 2026 |
| 1863 | B And M Production | Burkburnett, TX 76354 | Oil Operator | Apr 2026 |
| 1864 | B B & B Oil Co | Tulsa, OK 74114 | Oil & Gas Operator | Mar 2014 |
| 1865 | B B Energy Corp | Pequannock, NJ 07440 | Oil & Gas Operator | Dec 1994 |
| 1866 | B B R Oil Corporation | Norman, OK 73069 | Oil & Gas Operator | Feb 2026 |
| 1867 | B Bernard Lankford | Weatherford, TX 76086 | Oil & Gas Operator | Sep 1994 |
| 1868 | B C & D Oil & Gas Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Apr 2026 |
| 1869 | B D Deans LLC | | Oil & Gas Operator | May 2009 |
| 1870 | B D K Oil Company | | Oil & Gas Operator | Aug 2000 |
| 1871 | B D Production Co., Inc. | Corpus Christ, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 1872 | B E C Oil Compan | | Oil Operator | May 1986 |
| 1873 | B E Enterprises, Inc | | Oil Operator | Dec 2024 |
| 1874 | B H & C Operating Company, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 1875 | B H & T Oil Company Inc | Purcell, OK 73080-3010 | Oil & Gas Operator | Dec 2000 |
| 1876 | B H R Petroleum Inc | | Oil & Gas Operator | Apr 2006 |
| 1877 | B J Inc | Crossville, TN 38555 | Oil & Gas Operator | Dec 1984 |
| 1878 | B J Oil & Gas LLC | Woodsfield, OH 43793 | Oil Operator | Dec 2025 |
| 1879 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Apr 2026 |
| 1880 | B J Resources, L.L.C. | Athens, TX 75751 | Oil & Gas Operator | Apr 2026 |
| 1881 | B K Energy, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Oct 2006 |
| 1882 | B K L Incorporated | Morton, TX 79346 | Oil & Gas Operator | Jun 2002 |
| 1883 | B L Oil And Gas | Loco Hills, NM 88255 | Oil & Gas Operator | Aug 2010 |
| 1884 | B L S W Pleasure Corp., Inc | | Oil Operator | Mar 1990 |
| 1885 | B M & S Oil | | Oil Operator | Apr 1986 |
| 1886 | B M Energy, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2022 |
| 1887 | B M Oil, Inc. | | Oil & Gas Operator | May 2019 |
| 1888 | B P Energy | | Oil & Gas Operator | Apr 2015 |
| 1889 | B P Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Nov 2007 |
| 1890 | B R Polk Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2026 |
| 1891 | B R Smith Disposal Co | | Oil & Gas Operator | Jun 2021 |
| 1892 | B S &B Oil & Gas | | Oil Operator | Dec 1992 |
| 1893 | B&B Oil Rental Tools, Inc. | | Oil Operator | Sep 1994 |
| 1894 | B&E Exploration, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Sep 2009 |
| 1895 | B&L Exploration, L.L.C. | Metairie, LA 70001 | Oil & Gas Operator | Apr 2026 |
| 1896 | B&L Operating Co. | Price, TX 75687 | Oil & Gas Operator | Apr 2026 |
| 1897 | B&L Resources, L.L.C. | Metairie, LA 70001 | Oil & Gas Operator | Apr 2026 |
| 1898 | B-3 Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 1899 | B-B Production | Ira, TX 79527 | Oil & Gas Operator | Apr 2026 |
| 1900 | B-C Steel, LLC | Yates Center, KS 66783 | Oil & Gas Operator | Nov 2015 |