| 2601 | Butler Larry | Bladensburg, OH 43005 | Oil & Gas Operator | Dec 2019 |
| 2602 | Butler Oil Co | Casper, WY 82602 | Oil & Gas Operator | Dec 1996 |
| 2603 | Butler Petroleum Corp | Norman, OK 73069-7111 | Oil & Gas Operator | Dec 1998 |
| 2604 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 2605 | Butler, C. D. | Grandfalls, TX 79742 | Oil & Gas Operator | Dec 2004 |
| 2606 | Butler, Cecil D | | Oil & Gas Operator | Oct 2025 |
| 2607 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 2608 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 2609 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 2610 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Oct 2025 |
| 2611 | Buttes Gas & Oil Co | | Oil & Gas Operator | Dec 2009 |
| 2612 | Buttes Res Co | | Oil Operator | Dec 2023 |
| 2613 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 2614 | Buttonwood Petro | | Oil & Gas Operator | Aug 1994 |
| 2615 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 2616 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 2617 | Buttram Operating Company LLC | Heath, TX 75032-1931 | Oil & Gas Operator | Sep 2025 |
| 2618 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 2619 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 2620 | BVD Inc | Yates Center, KS 66783-0194 | Oil & Gas Operator | Nov 2025 |
| 2621 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 2622 | BW Oil LLC | Hamel, MN 55340 | Oil Operator | Jun 2015 |
| 2623 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 2624 | BWB Resources Inc | Colorado Springs, CO 80908-7204 | Oil & Gas Operator | Jan 2016 |
| 2625 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Sep 2025 |
| 2626 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Feb 2026 |
| 2627 | Byargeon & Sons Oil Co. | | Oil Operator | Nov 2000 |
| 2628 | Byars Bill Inc | Okmulgee, OK 74447-0850 | Oil & Gas Operator | Apr 2015 |
| 2629 | Byars Oil & Gas, Inc. | | Oil & Gas Operator | Dec 1988 |
| 2630 | Bye, April & Scott | Kevin, MT 59454 | Oil & Gas Operator | Sep 2025 |
| 2631 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 2632 | Byers, R.D. | Vernon, TX 76384 | Oil & Gas Operator | Feb 1998 |
| 2633 | Bykowicz, Francis J. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 2634 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 2635 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Feb 2026 |
| 2636 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Oct 2025 |
| 2637 | Bynum Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2003 |
| 2638 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 2639 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Feb 2026 |
| 2640 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |
| 2641 | Byron Oil Industries Inc | Ballwin, MO 63011 | Oil & Gas Operator | Apr 2019 |
| 2642 | Byron Ruple | | Oil Operator | Jan 2025 |
| 2643 | Bytex Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2019 |