| 1 | B & B Resources, Inc | Somerset, KY 42501 | Oil & Gas Operator | Dec 2019 |
| 2 | B B R Oil Corporation | Norman, OK 73069 | Oil & Gas Operator | Feb 2025 |
| 3 | B P Energy | | Oil & Gas Operator | Apr 2015 |
| 4 | Baccarat Oil LTD | Denver, CO 80223 | Oil Operator | Jan 2001 |
| 5 | Bakin Oil & Gas Inc | | Oil & Gas Operator | Apr 2020 |
| 6 | Baldridge, Doug | | Oil & Gas Operator | Jul 2018 |
| 7 | Bamsaw Oil Inc | Sapulpa, OK 74067 | Oil Operator | Dec 1993 |
| 8 | Bandolier Energy LLC | | Oil & Gas Operator | Mar 2020 |
| 9 | Bandwheel Production Co LLC | | Oil Operator | Feb 2025 |
| 10 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Feb 2025 |
| 11 | Barbee, Bill J. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1994 |
| 12 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2025 |
| 13 | Barnard, Roy A | Cleveland, OK 74020-4403 | Oil Operator | Feb 2025 |
| 14 | Barnes Exploration Co. | Nashville, TN 37209 | Oil & Gas Operator | Feb 1995 |
| 15 | Barnett James E | Skiatook, OK 74070-0100 | Oil & Gas Operator | May 2013 |
| 16 | Barnett John | Skiatook, OK 74070 | Oil & Gas Operator | Jan 2025 |
| 17 | Becca Oil LLC | Cushing, OK 74023-1347 | Oil & Gas Operator | Feb 2025 |
| 18 | Becktol Linda G | Morris, OK 74445 | Oil & Gas Operator | Feb 2025 |
| 19 | Behlen Incorporated | | Oil Operator | Jun 2001 |
| 20 | Belcor Inc. | Irvine, CA 92714 | Oil & Gas Operator | Nov 2000 |
| 21 | Belport Oil, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Feb 2025 |
| 22 | Benson Mineral Group Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2022 |
| 23 | Benton Energy Corporation | | Oil & Gas Operator | Mar 2024 |
| 24 | Benton Oil & Gas Co | Oxnard, CA 93030 | Oil Operator | Nov 1998 |
| 25 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 26 | Bets Oil & Gas | Pawhuska, OK 74056 | Oil & Gas Operator | Nov 2018 |
| 27 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 28 | Bgi Resources LLC | | Oil & Gas Operator | Feb 2025 |
| 29 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 30 | Big Bend Oil Co | Hominy, OK 74035 | Oil & Gas Operator | Jan 2025 |
| 31 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 32 | Bird Creek Resources Inc | Tulsa, OK 74121 | Oil & Gas Operator | Jul 2022 |
| 33 | Black Dot Oil Inc | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2025 |
| 34 | Black Lava Operating LLC | | Oil & Gas Operator | Feb 2025 |
| 35 | Blackjack Oak Production,LLC | | Oil Operator | Feb 2025 |
| 36 | Blackjack Oil LTD | Denver, CO 80223 | Oil Operator | May 1996 |
| 37 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 38 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 39 | Boje Oil Company LLC | | Oil & Gas Operator | Feb 2025 |
| 40 | Bolen, Michael D | | Oil & Gas Operator | Feb 2025 |
| 41 | Boness, Mona | | Oil Operator | Mar 2015 |
| 42 | Booth John H Inc | Tulsa, OK 74170 | Oil Operator | Sep 2019 |
| 43 | Boradi Petroleum Corporation | Oklahoma City, OK 73102 | Oil Operator | Nov 1998 |
| 44 | Boyle Philip Inc | Norman, OK 73072-6913 | Oil & Gas Operator | Jun 1999 |
| 45 | Boyle Phillip Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 46 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 47 | Braden-Deem Inc | Wichita, KS 67226 | Oil & Gas Operator | Jan 2025 |
| 48 | Brady Brothers | Cushing, OK 74023 | Oil Operator | Apr 2014 |
| 49 | Braley, William R. | Gage, OK 73843 | Oil & Gas Operator | Jul 2004 |
| 50 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Feb 2025 |
| 51 | Bratco Operating Company | Dewey, OK 74029 | Oil & Gas Operator | Mar 2025 |
| 52 | Bright Oil & Gas Inc R E Osage Only | | Oil & Gas Operator | Nov 2012 |
| 53 | Brooks Oil & Gas Inc | Sun Prairie, WI 53590 | Oil & Gas Operator | May 2013 |
| 54 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Jun 2025 |
| 55 | Brown Alan L | Pawhuska, OK 74056 | Oil & Gas Operator | Dec 2024 |
| 56 | Brown Curt Operating Company | Tulsa, OK 74105 | Oil Operator | Nov 1998 |
| 57 | Brown Don J | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2014 |
| 58 | Brown L S | Hominy, OK 74035 | Oil & Gas Operator | Sep 2024 |
| 59 | Brown, Jo Ann Dahl | | Oil & Gas Operator | Jun 2004 |
| 60 | Brown, Perry B | | Oil & Gas Operator | Apr 2024 |
| 61 | Bso Inc | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2025 |
| 62 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 63 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 64 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 65 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | Aug 2024 |
| 66 | Buntin Ronnie | Maramec, OK 74045-4500 | Oil & Gas Operator | Sep 2019 |
| 67 | Burrows, Dewey | | Oil & Gas Operator | Feb 2025 |
| 68 | Butler, Cecil D | | Oil & Gas Operator | Feb 2025 |
| 69 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |