| 801 | Bahr Oil & Gas | Shalimar, FL 32579 | Oil & Gas Operator | Apr 2024 |
| 802 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2024 |
| 803 | Bailey Petroleum, Inc. | League City, TX 77573 | Oil & Gas Operator | Apr 2024 |
| 804 | Bailey, L. J. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2003 |
| 805 | Bair'S Lease Service, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 806 | Baird Oil Company Inc | Lewisville, TX 75067 | Oil & Gas Operator | Apr 2024 |
| 807 | Baja Production | Dallas, TX 75202 | Oil & Gas Operator | Apr 2024 |
| 808 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Apr 2024 |
| 809 | Baker Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 1999 |
| 810 | Baker Resources | San Angelo, TX 76902 | Oil & Gas Operator | Aug 2021 |
| 811 | Baker Resources, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2024 |
| 812 | Baker, Brent Oil & Gas, Inc. | Oklahoma City, OK 73149 | Oil & Gas Operator | Apr 2024 |
| 813 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Apr 2024 |
| 814 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
| 815 | Bald Eagle Operating Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2024 |
| 816 | Baldwin And Baldwin Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1993 |
| 817 | Bales, D. F. & M. L. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 818 | Ball Producing Co. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2024 |
| 819 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 820 | Ballou Enterprises, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jan 1997 |
| 821 | Baltic Royalty Corp. | Dallas, TX 75209 | Oil & Gas Operator | Mar 2008 |
| 822 | Bam Operating, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2014 |
| 823 | Bam Permian Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 824 | Bam Production Company | Granbury, TX 76048 | Oil & Gas Operator | Aug 2003 |
| 825 | Bammert, H. L. | Weesatche, TX 77993 | Oil & Gas Operator | Sep 2013 |
| 826 | Banam Corporation | Midland, TX 79702 | Oil & Gas Operator | Nov 2013 |
| 827 | Bancroft Venture LLC | Kerens, TX 75144 | Oil Operator | Apr 2024 |
| 828 | Bandera Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Jan 2017 |
| 829 | Bandera Oil & Gas Inc | Fulshear, TX 77441 | Oil & Gas Operator | Apr 2024 |
| 830 | Bandera Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2018 |
| 831 | Banding M R Inc | Gillette, WY 82717 | Oil & Gas Operator | Feb 2024 |
| 832 | Bankhead E & P LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 2024 |
| 833 | Bankhead Operating Corp. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 834 | Banks, R. C. | Midland, TX 79702 | Oil & Gas Operator | Apr 2016 |
| 835 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Jan 2024 |
| 836 | Banner Operating, LLC | Austin, TX 78735 | Oil & Gas Operator | Apr 2024 |
| 837 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
| 838 | Banquet Production, LLC | Woodson, TX 76491 | Oil Operator | Apr 2024 |
| 839 | Bar D Energy, LLC | Lubbock, TX 79423 | Oil & Gas Operator | Apr 2024 |
| 840 | Bar H Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1997 |
| 841 | Bar L Producers | Fritch, TX 79036 | Oil & Gas Operator | Apr 2024 |
| 842 | Bar Operating Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2004 |
| 843 | Bar V Energy LLC | Poteet, TX 78065 | Oil Operator | Apr 2024 |
| 844 | Bar-Mac Investments Inc. | Brenham, TX 77834 | Oil & Gas Operator | Jun 2017 |
| 845 | Bara Corporation | Flower Mound, TX 75027 | Oil & Gas Operator | Apr 2004 |
| 846 | Barbee, Bill J. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1994 |
| 847 | Barbee, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 848 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Apr 2024 |
| 849 | Barber, B. S. | Kilgore, TX 75662 | Oil & Gas Operator | Nov 1998 |
| 850 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 2024 |
| 851 | Barden/Bass O & G Expl. Co. Inc. | Terrell, TX 75160 | Oil & Gas Operator | Mar 2008 |
| 852 | Barger Petroleum Co. | Irving, TX 75061 | Oil & Gas Operator | Jan 2019 |
| 853 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 854 | Barj Oil Co. | Brownfield, TX 79316 | Oil & Gas Operator | Apr 2024 |
| 855 | Barker Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Mar 2010 |
| 856 | Barker Production Co., LP | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2024 |
| 857 | Barker, Rodney | Shamrock, TX 79079 | Oil & Gas Operator | Aug 2012 |
| 858 | Barnes Exploration Co. | Nashville, TN 37209 | Oil & Gas Operator | Feb 1995 |
| 859 | Barnes Mineral Production, LTD. | Hallettsville, TX 77964 | Oil & Gas Operator | Apr 2024 |
| 860 | Barnes Oil & Gas LLC | Nashville, TN 37221 | Oil & Gas Operator | Jun 2017 |
| 861 | Barnes, Jerry B. | Gainesville, TX 76241 | Oil & Gas Operator | Oct 2006 |
| 862 | Barnes, K. A. | Somerset, TX 78069 | Oil & Gas Operator | Jan 2013 |
| 863 | Barnes, Larry Petroleum, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Jul 1996 |
| 864 | Barnett Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 865 | Barnett Oil Investments, Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Mar 1999 |
| 866 | Barnett Operating, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 1999 |
| 867 | Barnett, G. | Graham, TX 76450 | Oil Operator | Apr 2024 |
| 868 | Barnhart Co LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 869 | Barnhart Co. | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 870 | Barnhill, Monte | Muenster, TX 76252 | Oil Operator | Apr 2024 |
| 871 | Baron Energy Inc. | San Marcos, TX 78666 | Oil & Gas Operator | Apr 2024 |
| 872 | Baron Energy LTD. | Midland, TX 79702 | Oil & Gas Operator | Oct 2005 |
| 873 | Baron Exploration Company | Edmond, OK 73034 | Oil & Gas Operator | Apr 2024 |
| 874 | Barrett Brothers Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2020 |
| 875 | Barrett Brothers Oil And Gas | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1995 |
| 876 | Barrett Oil Co. | White Oak, TX 75693 | Oil & Gas Operator | Jan 2022 |
| 877 | Barrett Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 878 | Barrier Resources LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Aug 2003 |
| 879 | Barrington Resources Inc. | Santa Anna, TX 76878 | Oil Operator | Apr 2024 |
| 880 | Barron Operating LLC | Midland, TX 79703 | Oil & Gas Operator | Jun 2011 |
| 881 | Barron Petroleum LLC | San Antonio, TX 78205 | Oil & Gas Operator | Apr 2024 |
| 882 | Barrow Petroleum LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 883 | Barrow-Shaver Resources Co. | Tyler, TX 75703 | Oil & Gas Operator | Apr 2024 |
| 884 | Barry Rock Oil Co. Inc. | Plain Dealing, LA 71064 | Oil & Gas Operator | Dec 2023 |
| 885 | Barton Oil Co. | Baird, TX 79504 | Oil Operator | Jun 2004 |
| 886 | Barton, Howard | Archer City, TX 76351 | Gas Operator | Apr 2024 |
| 887 | Basa Resources Inc | Dallas, TX 75254 | Oil & Gas Operator | Apr 2024 |
| 888 | Basal Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Apr 2024 |
| 889 | Base Petroleum | Houston, TX 77096 | Oil & Gas Operator | Jul 1994 |
| 890 | Baseline Oil & Gas Corp. | Houston, TX 77267 | Oil & Gas Operator | Oct 2010 |
| 891 | Basic Earth Science Systems, Inc. | Austin, TX 78714 | Oil & Gas Operator | Apr 2010 |
| 892 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Apr 2024 |
| 893 | Basin Oil & Gas Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
| 894 | Basin Operating Inc. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 895 | Basin Well Service Of Odessa,Inc | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
| 896 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
| 897 | Bass Operating Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 1999 |
| 898 | Bass Petroleum | Austin, TX 78720 | Oil & Gas Operator | Aug 2004 |
| 899 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Apr 2024 |
| 900 | Bastrop Energy Group | San Antonio, TX 78231 | Oil & Gas Operator | Apr 2024 |