| 1 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Apr 2026 |
| 2 | B & B Tool Company Inc | Lindsay, OK 73052 | Oil & Gas Operator | Jan 2026 |
| 3 | B & C Drilling Company Inc | Holdenville, OK 74848-0961 | Oil & Gas Operator | Mar 2000 |
| 4 | B & F Enterprises | Ada, OK 74820 | Oil & Gas Operator | Feb 2002 |
| 5 | B B R Oil Corporation | Norman, OK 73069 | Oil & Gas Operator | Feb 2026 |
| 6 | Balco Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Feb 2026 |
| 7 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 8 | Barrett Oil Co. | White Oak, TX 75693 | Oil & Gas Operator | Dec 2024 |
| 9 | Baruch Foster Corporation | Oklahoma City, OK 73126-6770 | Oil & Gas Operator | Feb 2001 |
| 10 | Baulch Enterprises | Ada, OK 74820-8623 | Oil Operator | Dec 1999 |
| 11 | Baxter And Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Feb 2026 |
| 12 | Bee Cee Inc | Denton, TX 76206-0689 | Oil & Gas Operator | May 2013 |
| 13 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 14 | Bergen Floyd | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 15 | Bertschinger Oil Company | Oklahoma City, OK 73116-6534 | Oil & Gas Operator | Nov 2015 |
| 16 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 17 | Bickham G C Inc | Ada, OK 74820-8304 | Oil Operator | Jun 2017 |
| 18 | Billy Jack Sharber Operating LLC | Seminole, OK 74868 | Oil & Gas Operator | Jan 2026 |
| 19 | Bobby L Loftis | Holdenville, OK 74848 | Oil & Gas Operator | Jun 2022 |
| 20 | Boje Oil Company LLC | | Oil & Gas Operator | Feb 2026 |
| 21 | Bolen Russell Dba Teresa Energy | Konawa, OK 74849 | Oil Operator | Feb 2026 |
| 22 | Bonita Hydrocarbons Company | Dallas, TX 75229 | Oil & Gas Operator | Jun 2008 |
| 23 | Boyle Philip Inc | Norman, OK 73072-6913 | Oil & Gas Operator | Jun 1999 |
| 24 | Boyle Phillip Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 25 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 26 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 27 | Brown L C Company | Ada, OK 74820-7916 | Oil & Gas Operator | Nov 2021 |
| 28 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2026 |
| 29 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 30 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Feb 2026 |