| 801 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 802 | Bell And Gault Drilling Inc | | Oil & Gas Operator | Apr 2001 |
| 803 | Bell Brothers | | Oil Operator | Sep 2025 |
| 804 | Bell Cynthia L & William A | Greenville, PA 16125-8428 | Gas Operator | Dec 2025 |
| 805 | Bell Drilling & Prod Co | Logan, OH 43138 | Oil & Gas Operator | Dec 1997 |
| 806 | Bell Energy | Kermit, TX 79745 | Oil & Gas Operator | Feb 2026 |
| 807 | Bell Jack | Beggs, OK 74421-2107 | Oil & Gas Operator | Apr 2020 |
| 808 | Bell John E & Sons | Bremen, OH 43107 | Oil & Gas Operator | Dec 1998 |
| 809 | Bell Oil | Junction City, OH 43748 | Oil & Gas Operator | Dec 2024 |
| 810 | Bell Oil Company | | Oil & Gas Operator | Oct 1985 |
| 811 | Bell Resources Inc | Billings, MT 59104 | Oil & Gas Operator | Jun 2016 |
| 812 | Bell Supply Co | Kilgore, TX 75662 | Oil & Gas Operator | Jan 2013 |
| 813 | Bell, Cody, Jr. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 814 | Bell, Johnny Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 815 | Bell, Kelly Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1995 |
| 816 | Bell, O. M. | Merkel, TX 79536 | Oil & Gas Operator | Mar 2008 |
| 817 | Bell, Robert | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 818 | Bellah & Mathiews | Woodson, TX 76491 | Oil & Gas Operator | Feb 2026 |
| 819 | Bellah Oil, Inc. | Seymour, TX 76380 | Oil & Gas Operator | Dec 2012 |
| 820 | Bellaire Oil Co | | Oil & Gas Operator | Dec 2025 |
| 821 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 822 | Bellco, LLC | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 823 | Belle Exploration, Inc. | | Oil & Gas Operator | Jun 2021 |
| 824 | Belle Oil, Inc. | | Oil & Gas Operator | Dec 2025 |
| 825 | Bellevue Resources Inc | Lakewood, CO 80235 | Oil & Gas Operator | Feb 2009 |
| 826 | Bellmyer, Fred L | Caney, KS 67333 | Oil Operator | May 1997 |
| 827 | Bellnorth Petrol | | Oil Operator | Aug 1986 |
| 828 | Bellomo, David And Leah | Amherst, NY 14228 | Gas Operator | Dec 2024 |
| 829 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Feb 2026 |
| 830 | Bellows, Dewey Oper. Co., LTD. | Refugio, TX 78377 | Oil & Gas Operator | Jul 2013 |
| 831 | Bellows, Richard | Three Rivers, TX 78071 | Oil & Gas Operator | Nov 2008 |
| 832 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 833 | Belmac, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Nov 1998 |
| 834 | Belmar Oil & Gas, Inc. | Milano, TX 76556 | Oil & Gas Operator | Feb 2026 |
| 835 | Belnorth Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Feb 1991 |
| 836 | Below Ground Level LLC | Sand Springs, OK 74063 | Oil & Gas Operator | Feb 2026 |
| 837 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2025 |
| 838 | Belridge Energy Resources Inc. | | Oil & Gas Operator | Dec 2025 |
| 839 | Belter Inc. | Seymour, TX 76380 | Oil Operator | Dec 2025 |
| 840 | Belvan Corp. | Midland, TX 79701 | Oil & Gas Operator | Jun 1998 |
| 841 | Belvoir Energy Inc. | University Heights, OH 44118-3818 | Oil & Gas Operator | Dec 2017 |
| 842 | Bemco, LLC | Medicine Lodge, KS 67104 | Oil Operator | Aug 2025 |
| 843 | Ben Carroll | | Oil Operator | Dec 1985 |
| 844 | Ben-Co Operating Co., LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 845 | Benatty Corp., The | Cambridge, OH 43725-1002 | Oil & Gas Operator | Dec 1996 |
| 846 | Bench Oil | Duncan, OK 73533 | Oil Operator | Apr 2014 |
| 847 | Benchley Donald C | | Oil Operator | Jul 2012 |
| 848 | Benchley Donald P And Benchley Jeffrey P | | Oil Operator | Dec 2020 |
| 849 | Benchmark Crude Inc | Tulsa, OK 74105-5920 | Oil & Gas Operator | Sep 2015 |
| 850 | Benchmark Energy LLC | Pratt, KS 67124 | Oil & Gas Operator | Sep 2023 |
| 851 | Benchmark Oil & | | Oil Operator | Dec 1996 |
| 852 | Benchmark Oil & Gas Co. | Houston, TX 77282 | Oil & Gas Operator | Feb 2026 |
| 853 | Benchmark Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 854 | Benchmark Production, LLC | Midland, TX 79701 | Oil Operator | May 2006 |
| 855 | Benchmark Resources Group LTD | Sapulpa, OK 74066-3238 | Oil & Gas Operator | Dec 2000 |
| 856 | Benchmark Texas Petroleum, LLC. | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 857 | Benco Energy Inc | Tionesta, PA 16353-5851 | Oil & Gas Operator | Dec 2002 |
| 858 | Benco Operating, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 859 | Bend Petroleum Corp. | Muenster, TX 76252 | Oil & Gas Operator | Nov 2023 |
| 860 | Bendorf Services & Supply Co | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 861 | Bendorf, Otto Trust | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2000 |
| 862 | Benedum Interests | Pittsburgh, PA 15222-1794 | Gas Operator | Dec 2003 |
| 863 | Benedum Paul G Jr | Pittsburgh, PA 15222 | Oil & Gas Operator | Dec 1998 |
| 864 | Benedum-Trees Oil Company | Chicago, IL 60673 | Oil & Gas Operator | Dec 2005 |
| 865 | Benelli Oil LLC | | Oil Operator | Dec 2024 |
| 866 | Bengal Oil & Gas, Inc. | | Gas Operator | Mar 2006 |
| 867 | Bengal Petroleum USA, LLC | Austin, TX 78767 | Oil Operator | Feb 2026 |
| 868 | Bengalia Land And Cattle Company | Tulsa, OK 74152 | Oil & Gas Operator | Aug 2025 |
| 869 | Bengston Oil, LLC | Windom, KS 67491 | Oil Operator | Aug 2024 |
| 870 | Bengtson, Earl L. | Salina, KS 67401 | Oil Operator | Mar 2007 |
| 871 | Benjamin Smeltzer Company | Newport, OH 45768 | Oil & Gas Operator | Dec 2024 |
| 872 | Benn Oil & Gas | Perryton, TX 79070 | Oil & Gas Operator | Jun 2005 |
| 873 | Bennd Oil Company | Adams, TN 37010-8002 | Oil Operator | Oct 2025 |
| 874 | Bennett & Schult | | Oil Operator | Jul 1995 |
| 875 | Bennett & Schulte Oil Co., A General Partnership | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 876 | Bennett Oil | Dale, TX 78616 | Oil & Gas Operator | Sep 2000 |
| 877 | Bennett Oil Comp | | Oil Operator | Mar 1992 |
| 878 | Bennett Oil Company, LLC | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 879 | Bennett Petroleum Corporation | Denver, CO 80203 | Oil Operator | Jun 1985 |
| 880 | Bennett Petroleum Inc. | | Oil & Gas Operator | Dec 2025 |
| 881 | Bennett Production Corporation | Bowie, TX 76230 | Oil & Gas Operator | Apr 2024 |
| 882 | Bennett Resources, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 883 | Bennett, Doyle | | Gas Operator | Dec 1998 |
| 884 | Bennett, M. Brad Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2005 |
| 885 | Bennett, M. Brad LP | Midland, TX 79710 | Oil & Gas Operator | Jan 2006 |
| 886 | Bennett, M. Troy, Jr. | Freer, TX 78357 | Oil & Gas Operator | Feb 2026 |
| 887 | Bennett, Mills Estate | Houston, TX 77057 | Oil & Gas Operator | Sep 1995 |
| 888 | Bennett, R. C., Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 889 | Benson & Schoen Oil Co., Inc. | Abilene, TX 79602 | Oil & Gas Operator | Apr 2012 |
| 890 | Benson Energy LLC | Smethport, PA 16749-5316 | Oil & Gas Operator | Dec 2025 |
| 891 | Benson Mineral G | | Oil & Gas Operator | Dec 1995 |
| 892 | Benson Mineral Group, Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2022 |
| 893 | Benson Operating LLC | The Colony, TX 75056-3578 | Oil & Gas Operator | Dec 2025 |
| 894 | Benson-McCown & Company | Amarillo, TX 79114 | Oil & Gas Operator | Jul 2016 |
| 895 | Benson-Montin-Greer DRL | Farmington, NM 87402 | Oil & Gas Operator | Jan 2026 |
| 896 | Benson-Montin-Greer DRLG Corp | Farmington, NM 87402 | Oil & Gas Operator | Jan 2026 |
| 897 | Benson-Wyatt Oil Co. Inc. | Austin, TX 78767 | Oil & Gas Operator | Jul 2003 |
| 898 | Bensun Energy, LLC | Grandview, TX 76050 | Oil Operator | Aug 2020 |
| 899 | Bent Oak Energy Interests, LLC | Houston, TX 77024 | Oil Operator | Oct 2014 |
| 900 | Bent Tree Energy Resource Inc | Shawnee, OK 74802 | Oil & Gas Operator | Sep 2014 |