| 1 | B & B SWD LLC | | Oil Operator | Jan 2024 |
| 2 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Apr 2024 |
| 3 | Bateman'S Bay Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Dec 2023 |
| 4 | Baytech Inc | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 5 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 6 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2023 |
| 7 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 8 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 9 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 10 | Boone And Boone Oil Co | Perry, OK 73077 | Oil & Gas Operator | Mar 2008 |
| 11 | Boswell Energy Corp. | Oklahoma City, OK 73114-7401 | Oil & Gas Operator | Nov 2004 |
| 12 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |
| 13 | Bracken Operating, L.L.C. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2024 |
| 14 | Bracksieck Lloyd H | Boulder, CO 80303 | Oil & Gas Operator | Feb 2019 |
| 15 | Bravo Natural Resources, Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 16 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2023 |
| 17 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 18 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 19 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 20 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 21 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 22 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |