| 1 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Feb 2026 |
| 2 | B & B Tool Company Inc | Lindsay, OK 73052 | Oil & Gas Operator | Nov 2025 |
| 3 | B & S Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Dec 2025 |
| 4 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Feb 2026 |
| 5 | B B R Oil Corporation | Norman, OK 73069 | Oil & Gas Operator | Nov 2025 |
| 6 | Bacon Fred Estate Of | Glenpool, OK 74033-9802 | Oil & Gas Operator | Apr 2020 |
| 7 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 8 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2026 |
| 9 | Barta Enterprises | Oklahoma City, OK 73162-1728 | Oil & Gas Operator | Nov 2025 |
| 10 | Basis Resources Group LLC | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 2025 |
| 11 | Baxter And Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Nov 2025 |
| 12 | Becker Oil Corporation | Ponca City, OK 74602 | Oil & Gas Operator | Nov 2025 |
| 13 | Becsul Energy | Oklahoma City, OK 73127 | Oil Operator | Jan 1992 |
| 14 | Becsul Energy Inc | Oklahoma City, OK 73127-4249 | Oil & Gas Operator | Nov 2025 |
| 15 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 16 | Bent Tree Energy Resource Inc | Shawnee, OK 74802 | Oil & Gas Operator | Sep 2014 |
| 17 | Bentley & Laing | Wichita Falls, TX 76302 | Oil & Gas Operator | Feb 2002 |
| 18 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 19 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 20 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 21 | Bill Weems Oil LLC | Seminole, OK 74868 | Oil & Gas Operator | Nov 2025 |
| 22 | Billy Jack Sharber Operating LLC | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 23 | Bird Oil & Gas Inc | Yukon, OK 73099-2827 | Oil & Gas Operator | Jan 2023 |
| 24 | Birks Robert L Dba Birks Production | Asher, OK 74826-9633 | Oil & Gas Operator | Nov 2025 |
| 25 | Black Lava Operating LLC | | Oil & Gas Operator | Nov 2025 |
| 26 | Blue Quail LTD | Wellston, OK 74881-0660 | Oil & Gas Operator | Jul 2015 |
| 27 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2026 |
| 28 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Nov 2025 |
| 29 | Bluebonnet Oil LLC | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Dec 2025 |
| 30 | Bona Tangent LLC | Tulsa, OK 74133 | Oil & Gas Operator | Nov 2025 |
| 31 | Boone Operating LLC | Oklahoma City, OK 73118-6014 | Oil & Gas Operator | Oct 2025 |
| 32 | Boswell Energy Corporation | Oklahoma City, OK 73114-7401 | Oil & Gas Operator | Nov 2004 |
| 33 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 34 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Feb 2026 |
| 35 | Brand Oil & Gas Inc | Oklahoma City, OK 73165-8911 | Oil & Gas Operator | May 2013 |
| 36 | Branson Production Company | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Aug 2002 |
| 37 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 38 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Dec 2025 |
| 39 | Bridon Energy LLC | Yukon, OK 73099 | Oil & Gas Operator | Dec 2025 |
| 40 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 41 | Britt Oil Company LLC | Shawnee, OK 74801-9613 | Oil & Gas Operator | Dec 2025 |
| 42 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 43 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 44 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 45 | Buccaneer Petroleum Inc | Tonkawa, OK 74653-2513 | Oil & Gas Operator | Jan 2013 |
| 46 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2026 |
| 47 | Bulldog Production Inc | Seminole, OK 74868 | Oil Operator | Nov 2024 |
| 48 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |