| 1 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Mar 2025 |
| 2 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 3 | Basa Resources, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Mar 2025 |
| 4 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
| 5 | Baylor Operating, LLC | Austin, TX 78766 | Oil & Gas Operator | Mar 2025 |
| 6 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 7 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 8 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
| 9 | Bennett, R. C., Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 10 | Big Star Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2017 |
| 11 | Black Gold Energy LLC | Jenks, OK 74037 | Oil Operator | Jun 2024 |
| 12 | Black River Operating LLC | Keller, TX 76248 | Oil & Gas Operator | Mar 2025 |
| 13 | Blackmun Family Partners, L.P. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2025 |
| 14 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 15 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Mar 2025 |
| 16 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Mar 2025 |
| 17 | Bolding Energy, LLC | Sterling City, TX 76951 | Oil & Gas Operator | Mar 2025 |
| 18 | Bosque Texas Oil LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2025 |
| 19 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Mar 2025 |
| 20 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 21 | Breitling Operating Corporation | Dallas, TX 75201 | Oil & Gas Operator | Aug 2016 |
| 22 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 23 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Mar 2025 |
| 24 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 25 | Burgundy Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 26 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2025 |
| 27 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 28 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 29 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 30 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Mar 2025 |