| 1 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 2 | B & H Exploration Company | Talala, OK 74080 | Oil & Gas Operator | Dec 2000 |
| 3 | B & J Developers Inc | Bartlesville, OK 74006-3403 | Oil & Gas Operator | Feb 2020 |
| 4 | Bailey C A | Nowata, OK 74048-0206 | Oil Operator | Aug 1999 |
| 5 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 6 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 7 | Be Anadarko LLC | Wimberley, TX 78676-4418 | Oil & Gas Operator | Jan 2024 |
| 8 | Bear Productions Inc | Kinta, OK 74552 | Oil & Gas Operator | Jan 2026 |
| 9 | Belport Oil Inc | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2026 |
| 10 | Big Sky Oil Company | Nowata, OK 74048-0187 | Oil & Gas Operator | Mar 2015 |
| 11 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Mar 2022 |
| 12 | BLR Energy LLC | Pawhuska, OK 74056 | Oil Operator | Feb 2026 |
| 13 | Bollinger M A | Chanute, KS 66720 | Oil Operator | Jun 2023 |
| 14 | Bollinger Oil Company | Tulsa, OK 74105 | Oil Operator | Aug 2018 |
| 15 | Bowman Charles A | Nowata, OK 74048 | Oil Operator | Aug 2004 |
| 16 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 17 | Brahman Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 18 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Jan 2026 |
| 19 | Bratco Operating Company Inc | Dewey, OK 74029 | Oil & Gas Operator | Feb 2026 |
| 20 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 21 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 22 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 23 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Feb 2026 |
| 24 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |