| 1 | B & B SWD LLC | Kingfisher, OK 73750 | Oil Operator | Feb 2026 |
| 2 | B & H Oil Company | Oklahoma City, OK 73108 | Oil & Gas Operator | Jan 2025 |
| 3 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Apr 2026 |
| 4 | B B & B Oil Co | Tulsa, OK 74114 | Oil & Gas Operator | Mar 2014 |
| 5 | B M Energy, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2022 |
| 6 | Bailey Oil Corp | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2025 |
| 7 | Bale Charles R | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2014 |
| 8 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 9 | Barrett Drilling Company | Shawnee, OK 74802-1345 | Oil & Gas Operator | Jun 2013 |
| 10 | Basin Operating Services LLC | Oklahoma City, OK 73106-5615 | Oil & Gas Operator | Jan 2026 |
| 11 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2026 |
| 12 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2026 |
| 13 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2026 |
| 14 | BDB LLC | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2017 |
| 15 | Be Anadarko LLC | Wimberley, TX 78676-4418 | Oil & Gas Operator | Jan 2024 |
| 16 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 17 | Beasley Oil Company | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2020 |
| 18 | Beck Pump & Supply Inc | Hennessey, OK 73742-0175 | Oil & Gas Operator | Nov 2019 |
| 19 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2026 |
| 20 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 21 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 22 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 23 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2026 |
| 24 | Benedum-Trees Oil Company | Chicago, IL 60673 | Oil & Gas Operator | Dec 2005 |
| 25 | Bentley & Laing | Wichita Falls, TX 76302 | Oil & Gas Operator | Feb 2002 |
| 26 | Beta Oil Company Inc | Oklahoma City, OK 73157-2958 | Oil & Gas Operator | Nov 2025 |
| 27 | Beta Operating Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Apr 2020 |
| 28 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 29 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 30 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Feb 2026 |
| 31 | Billy Matthews Production LLC | Dover, OK 73734 | Oil & Gas Operator | Feb 2026 |
| 32 | Bird Oil & Gas Inc | Yukon, OK 73099-2827 | Oil & Gas Operator | Jan 2023 |
| 33 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Mar 2022 |
| 34 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 35 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Apr 2026 |
| 36 | Blackjack Supply Company | Edmond, OK 73013-1144 | Oil & Gas Operator | May 2012 |
| 37 | Blaik Oil Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2009 |
| 38 | Blair Oil Company | Kingfisher, OK 73750-1213 | Oil & Gas Operator | Feb 2026 |
| 39 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2026 |
| 40 | BLB Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Jan 2026 |
| 41 | Blubaugh Ronald D | Tonkawa, OK 74653-0066 | Oil & Gas Operator | Sep 2014 |
| 42 | Blue Cedar Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 43 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2026 |
| 44 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 45 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2026 |
| 46 | Bob & Son Oil Company | Hennessey, OK 73742-0578 | Oil & Gas Operator | Jul 2017 |
| 47 | Bobby L Loftis | Holdenville, OK 74848 | Oil & Gas Operator | Jun 2022 |
| 48 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Jan 2026 |
| 49 | Bogo Energy Corporation | Oklahoma City, OK 73134-1068 | Oil & Gas Operator | Feb 2026 |
| 50 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 51 | BP Explorationinc/Ofb See #17756 | | Oil & Gas Operator | Apr 2015 |
| 52 | Braden Companies Inc | Edmond, OK 73013-3671 | Oil & Gas Operator | Feb 2026 |
| 53 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 54 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 55 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 56 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 57 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Jan 2026 |
| 58 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 59 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 60 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 61 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Feb 2026 |
| 62 | Briar Oil & Gas - Oklahoma 1 LLC | Houston, TX 77027-9392 | Oil & Gas Operator | Jan 2026 |
| 63 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 64 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 65 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 66 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 67 | Brooks E L | Edmond, OK 73034-6882 | Oil & Gas Operator | May 2009 |
| 68 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 69 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2026 |
| 70 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Apr 2026 |
| 71 | Brown Jeff J Dba Brown Service Co | Enid, OK 73701 | Oil & Gas Operator | Feb 2026 |
| 72 | Buck Exploration | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1991 |
| 73 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 74 | Burkhart Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2002 |
| 75 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Apr 2026 |
| 76 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 77 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 78 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 79 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Apr 2026 |