| 1 | B & G Energy Corporation | Dallas, TX 75214 | Oil & Gas Operator | Dec 2024 |
| 2 | B & M Operating Co., Inc. | Houston, TX 77006 | Oil & Gas Operator | Dec 2024 |
| 3 | Bailey Petroleum, Inc. | League City, TX 77573 | Oil & Gas Operator | Dec 2024 |
| 4 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 5 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 6 | Barnhart Co. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 7 | Bataa Oil Inc | Greeley, CO 80634 | Oil & Gas Operator | Oct 2024 |
| 8 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
| 9 | Benchmark Oil & Gas Co. | Houston, TX 77282 | Oil & Gas Operator | Dec 2024 |
| 10 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
| 11 | Bexco Operating, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Dec 2024 |
| 12 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 13 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 14 | Bluegrass Energy Inc | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
| 15 | Bomco USA, Inc. | Sugar Land, TX 77496 | Oil Operator | Dec 2024 |
| 16 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
| 17 | Braman, D. H., Jr. | Victoria, TX 77901 | Oil & Gas Operator | Dec 2008 |
| 18 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 19 | Brandes Petroleum, B.P.C.,Inc. | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
| 20 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2024 |
| 21 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 22 | Brenham Drilling Co. | Brenham, TX 77833 | Oil & Gas Operator | Dec 2024 |
| 23 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
| 24 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
| 25 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
| 26 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 27 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2024 |
| 28 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |