| 1 | B & L Operating | | Oil Operator | Oct 2015 |
| 2 | B & M Drilling Company | | Oil Operator | May 2021 |
| 3 | B & S Production | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2022 |
| 4 | B & W Oil Company | Artesia, NM 88210 | Oil & Gas Operator | Mar 2023 |
| 5 | Bagby Energy LLC | Fort Smith, AR 72913 | Gas Operator | Apr 2010 |
| 6 | Barnette & Sons, Inc | Dubach, LA 71235 | Oil & Gas Operator | Jul 2024 |
| 7 | Bates Oil Company | Norphlet, AR 71759 | Oil Operator | Jan 2020 |
| 8 | Bay Oaks Resources LLC | Fort Smith, AR 72913-3129 | Gas Operator | Feb 2018 |
| 9 | Beasley & Estes Construction Co., Inc. | Lewisville, AR 71845 | Oil Operator | Jul 2024 |
| 10 | Bech Oil & Gas | Lowell, AR 72745 | Gas Operator | Jun 2024 |
| 11 | Beebe Exploration Co, LLC | El Dorado, AR 71730 | Oil Operator | Jul 2024 |
| 12 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Nov 2024 |
| 13 | Berg, Laney & Brown Company | Camden, AR 71701 | Oil Operator | Jul 2024 |
| 14 | Betsy Production Company, Inc. | Magnolia, AR 71753 | Oil & Gas Operator | Sep 2024 |
| 15 | BHP Billiton Petroleum (Fayetteville), LLC | | Gas Operator | Feb 2019 |
| 16 | Big Heart Oil Company, LLC | Smackover, AR 71762 | Oil Operator | Jul 2024 |
| 17 | Blackbeard Operating East, LLC | Midland, TX 79701-4532 | Oil & Gas Operator | Dec 2020 |
| 18 | Blanco Oil Company | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2010 |
| 19 | Blue Steel Investments, LLC | Edmond, OK 73013 | Oil Operator | Jul 2024 |
| 20 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2021 |
| 21 | Bonanza Creek Energy Resources, LLC | | Oil & Gas Operator | Jul 2024 |
| 22 | Bonds Company Production LLC | Stephens, AR 71764 | Oil Operator | Jul 2024 |
| 23 | Bowman & Cains Exploration, LLC | | Gas Operator | Sep 2020 |
| 24 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2024 |
| 25 | Bravo Natural Resources, Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 26 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 27 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2017 |
| 28 | Brown, B J | Tulsa, OK 74133 | Gas Operator | Feb 2008 |
| 29 | Buck, Inc | | Oil Operator | Jan 2012 |
| 30 | Burdine, David | Magnolia, AR 71753 | Oil Operator | Mar 2024 |
| 31 | Burdine, E M | | Oil & Gas Operator | Feb 2023 |