| 801 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |
| 802 | Brown Drilling Company | Mounds, OK 74047-4263 | Oil & Gas Operator | Oct 2020 |
| 803 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 804 | Brown Jeff J Dba Brown Service Co | Enid, OK 73701 | Oil & Gas Operator | Nov 2025 |
| 805 | Brown Jr Roy M | Sasakwa, OK 74867 | Oil Operator | Nov 2016 |
| 806 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 807 | Brown L S | Hominy, OK 74035 | Oil & Gas Operator | Sep 2024 |
| 808 | Brown Tank & Equipment Inc | Blackwell, OK 74631-5600 | Oil Operator | Oct 2000 |
| 809 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 810 | Brown Vernon L & Bonita | Cleveland, OK 74020-4426 | Oil & Gas Operator | Apr 2009 |
| 811 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 812 | Brown, Jo Ann Dahl | | Oil & Gas Operator | Jun 2004 |
| 813 | Brown, Perry B | | Oil & Gas Operator | Apr 2024 |
| 814 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Dec 2025 |
| 815 | Bruce Weldon | Lawton, OK 73501-5707 | Oil & Gas Operator | Mar 2000 |
| 816 | Brundred Petroleum Inc | | Oil & Gas Operator | Nov 1992 |
| 817 | Brunsteter Dick Oil & Gas Inc | Alva, OK 73717-0068 | Oil & Gas Operator | Jul 2006 |
| 818 | Bryant D G And Company | Midlothian, TX 76065-3628 | Oil & Gas Operator | Jul 2025 |
| 819 | Bryant Expl And Prod Co Inc | Elk City, OK 73648-0827 | Oil & Gas Operator | Apr 2014 |
| 820 | Bryant Joe | Helena, OK 73741 | Oil & Gas Operator | Apr 1998 |
| 821 | BS&W Solutions LLC | | Oil Operator | Jun 2014 |
| 822 | Bso Inc | Cleveland, OK 74020 | Oil & Gas Operator | Oct 2025 |
| 823 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 824 | Buccaneer Petroleum Inc | Tonkawa, OK 74653-2513 | Oil & Gas Operator | Jan 2013 |
| 825 | Buchanan Wayman W | San Antonio, TX 78212 | Oil & Gas Operator | Sep 1990 |
| 826 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 827 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 828 | Buck Enterprises LLC | Oklahoma City, OK 73150-6111 | Oil Operator | Oct 2025 |
| 829 | Buck Exploration | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1991 |
| 830 | Buck Production Co LLC | Bristow, OK 74010 | Oil & Gas Operator | Sep 2023 |
| 831 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Dec 2025 |
| 832 | Buds Oil Company | Sperry, OK 74073 | Oil & Gas Operator | Dec 2025 |
| 833 | Buffalo Oil & Gas LLC | Oxford, KS 67119 | Oil & Gas Operator | Sep 2025 |
| 834 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2025 |
| 835 | Buffum & Baker Inc | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1998 |
| 836 | Bulinski Richard | Wetumka, OK 74883-0056 | Oil & Gas Operator | Jan 2004 |
| 837 | Bull Ring Energy LLC | Oklahoma City, OK 73118 | Gas Operator | Oct 2025 |
| 838 | Bullard Bros Production Co Inc | Comanche, OK 73529-0637 | Oil Operator | Mar 2015 |
| 839 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 840 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | Jul 2025 |
| 841 | Bullards Oilfield Service Inc | Ardmore, OK 73401-3646 | Oil Operator | Sep 1999 |
| 842 | Bulldog Disposal Inc | Laverne, OK 73848 | Oil Operator | Apr 2014 |
| 843 | Bulldog Operating Company LLC | Shreveport, LA 71101-3680 | Oil & Gas Operator | Jun 2015 |
| 844 | Bulldog Production Inc | Seminole, OK 74868 | Oil Operator | Nov 2024 |
| 845 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Oct 2025 |
| 846 | Buntin Ronnie | Maramec, OK 74045-4500 | Oil & Gas Operator | Sep 2019 |
| 847 | Bunyard Jerry L | Stroud, OK 74079 | Oil & Gas Operator | Oct 2024 |
| 848 | Buray Energy International LLC | Evansville, IN 47711-5369 | Gas Operator | Jun 2013 |
| 849 | Burchfield Lawrence & VIrginia | Morris, OK 74445-2814 | Gas Operator | Aug 2018 |
| 850 | Burchfield Margaret S Dba Nu-Hope Oil Company | Earlsboro, OK 74840 | Oil & Gas Operator | Oct 2025 |
| 851 | Burk George E | Mannford, OK 74044-0593 | Oil & Gas Operator | Oct 2015 |
| 852 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2025 |
| 853 | Burkan Oil Company | Tulsa, OK 74137 | Oil & Gas Operator | Dec 1995 |
| 854 | Burkhart Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2002 |
| 855 | Burleson Production LLC | Frederick, OK 73542 | Oil & Gas Operator | Oct 2025 |
| 856 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 857 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2025 |
| 858 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 859 | Burns Eugene | Davis, OK 73030-3112 | Oil Operator | Mar 2006 |
| 860 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 861 | Burrows, Dewey | | Oil & Gas Operator | Oct 2025 |
| 862 | Burt Esther M | Sperry, OK 74073 | Oil Operator | Apr 2025 |
| 863 | Burt James & Charles Maybee | Sperry, OK 74073-8001 | Oil & Gas Operator | Nov 2014 |
| 864 | Burton Oil Properties | Ratliff City, OK 73081 | Oil & Gas Operator | Oct 2025 |
| 865 | Busey Naman | Elmore City, OK 73433-9583 | Oil & Gas Operator | Nov 2025 |
| 866 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 867 | Butkin Oil Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2023 |
| 868 | Butler & Haseloff | Vernon, TX 76384 | Oil Operator | Jul 1993 |
| 869 | Butler B F | Hobart, OK 73651 | Oil Operator | Apr 2014 |
| 870 | Butler Petroleum Corp | Norman, OK 73069-7111 | Oil & Gas Operator | Dec 1998 |
| 871 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 872 | Butler, Cecil D | | Oil & Gas Operator | Oct 2025 |
| 873 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Oct 2025 |
| 874 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 875 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 876 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 877 | Buttram Operating Company LLC | Heath, TX 75032-1931 | Oil & Gas Operator | Sep 2025 |
| 878 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 879 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 880 | BVD Inc | Yates Center, KS 66783-0194 | Oil & Gas Operator | Nov 2025 |
| 881 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 882 | BWB Resources Inc | Colorado Springs, CO 80908-7204 | Oil & Gas Operator | Jan 2016 |
| 883 | Byars Bill Inc | Okmulgee, OK 74447-0850 | Oil & Gas Operator | Apr 2015 |
| 884 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Dec 2025 |
| 885 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Oct 2025 |
| 886 | C & A Oil Company | Edmond, OK 73013-9413 | Oil & Gas Operator | Mar 2015 |
| 887 | C & B Energy Resources | Bartlesville, OK 74006 | Oil & Gas Operator | Mar 2015 |
| 888 | C & B Production | Ben Bolt, TX 78342 | Oil & Gas Operator | Dec 2025 |
| 889 | C & C Oil Co. | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 890 | C & C Productions LLC | Muskogeee, OK 74402 | Oil & Gas Operator | Oct 2025 |
| 891 | C & C Tank Service LLC | | Oil & Gas Operator | Sep 2022 |
| 892 | C & C Tank Truck Service Inc | Holdenville, OK 74848 | Oil Operator | Feb 2012 |
| 893 | C & D Drilling Company | Hennepin, OK 73046 | Oil & Gas Operator | Mar 2007 |
| 894 | C & D Supply | Cherokee, OK 73728-5817 | Oil & Gas Operator | Oct 2025 |
| 895 | C & D Supply LLC | Cherokee, OK 73728-5817 | Oil & Gas Operator | Nov 2025 |
| 896 | C & G Energy Inc | | Oil & Gas Operator | Jun 1996 |
| 897 | C & H Oil Company | Ratliff City, OK 73481-0130 | Oil & Gas Operator | Apr 2015 |
| 898 | C & J Exploration LLC | Colorado Springs, CO 80920-3946 | Oil & Gas Operator | Oct 2022 |
| 899 | C & J Trucks LLC | Seminole, OK 74868-5406 | Oil & Gas Operator | Dec 2025 |
| 900 | C & L Drilling Company | Ada, OK 74821-1252 | Oil & Gas Operator | Jan 2014 |