| 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 | B & M Oil & Gas LLC | Bartlesville, OK 74006-5702 | Oil Operator | Jun 2025 |
| 5 | B & S Oil Company | Kermit, TX 79745 | Oil & Gas Operator | Jun 2025 |
| 6 | B & S Production | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 7 | Bacon Ted L | Afton, OK 74331-5518 | Oil Operator | Nov 2005 |
| 8 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 9 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jun 2025 |
| 10 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Jun 2025 |
| 11 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 12 | Barby Energy Corporation | Woodward, OK 73802-1660 | Oil & Gas Operator | Jun 2025 |
| 13 | Beard English & Martin | Bartlesville, OK 74003 | Oil Operator | Nov 2005 |
| 14 | Bechel Oil, LLC. | Maiden Rock, WI 54750 | Oil Operator | Feb 2022 |
| 15 | Bellco Materials Inc | Fayetteville, AR 72703 | Oil Operator | Mar 2015 |
| 16 | Belport Oil, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Jun 2025 |
| 17 | BFS Petroleum Company | Skiatook, OK 74070-3998 | Oil & Gas Operator | Jan 2004 |
| 18 | Bishop 3B Production LLC | Dewey, OK 74029-2140 | Oil Operator | Apr 2024 |
| 19 | Blackrock Energy LLC | Wagoner, OK 74467 | Oil Operator | Apr 2025 |
| 20 | Boland Investment Company | Turpin, OK 73950-0375 | Oil & Gas Operator | Jan 2013 |
| 21 | Brandie Oil, LLC | Nowata, OK 74048 | Oil Operator | Jun 2025 |
| 22 | Bratco Inc | Dewey, OK 74029-0279 | Oil & Gas Operator | Jun 2025 |
| 23 | Bratco Operating Company | Dewey, OK 74029 | Oil & Gas Operator | Jul 2025 |
| 24 | Brchan Ventures LLC | Bartlesville, OK 74006-0281 | Oil Operator | Dec 2021 |
| 25 | Browder & Ratcliff | Dewey, OK 74029 | Oil Operator | Aug 2000 |
| 26 | Buck Creek Associates | Bartlesville, OK 74006 | Oil & Gas Operator | May 2013 |
| 27 | Buck Creek Associates LLC | Bartlesville, OK 74005-2091 | Oil Operator | Sep 2009 |
| 28 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Jun 2025 |
| 29 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 30 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |