| 1 | B & B SWD LLC | | Oil Operator | Feb 2024 |
| 2 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | May 2024 |
| 3 | B M Energy, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2022 |
| 4 | B R Polk Inc | Oklahoma City, OK 73118-1239 | Oil & Gas Operator | Feb 2024 |
| 5 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Jan 2024 |
| 6 | Barby Energy Corporation | Woodward, OK 73802-1660 | Oil & Gas Operator | Jan 2024 |
| 7 | Basa Resources Inc | Dallas, TX 75254 | Oil & Gas Operator | May 2024 |
| 8 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 9 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Feb 2024 |
| 10 | Beck Pump & Supply Inc | Hennessey, OK 73742-0175 | Oil & Gas Operator | Nov 2019 |
| 11 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Jan 2024 |
| 12 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 13 | Belisle Pete H | Tulsa, OK 74133 | Oil & Gas Operator | Apr 2015 |
| 14 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 15 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | May 2024 |
| 16 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | May 2024 |
| 17 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 18 | Beta Oil Company Inc | Oklahoma City, OK 73157-2958 | Oil & Gas Operator | Dec 2022 |
| 19 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 20 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
| 21 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 22 | Black Dome Energy Corporation | Golden, CO 80401 | Oil & Gas Operator | Dec 2019 |
| 23 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | May 2024 |
| 24 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Jan 2024 |
| 25 | Bluebonnet Oil LLC | | Oil & Gas Operator | Feb 2024 |
| 26 | Bluemark Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2024 |
| 27 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 28 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Feb 2024 |
| 29 | Boone Operating Inc | Oklahoma City, OK 73118-6014 | Oil & Gas Operator | Jan 2024 |
| 30 | Boswell Energy Corp. | Oklahoma City, OK 73114-7401 | Oil & Gas Operator | Nov 2004 |
| 31 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jan 2024 |
| 32 | BP Explorationinc/Ofb See #17756 | | Oil & Gas Operator | Apr 2015 |
| 33 | Bracksieck Lloyd H | Boulder, CO 80303 | Oil & Gas Operator | Feb 2019 |
| 34 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2024 |
| 35 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 36 | BRG Petroleum LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 37 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 38 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Feb 2024 |
| 39 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 40 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 41 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 42 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 43 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 44 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 45 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | May 2024 |
| 46 | Brown Jeff J Dba Brown Service Co | Enid, OK 73702-1604 | Oil & Gas Operator | Feb 2024 |
| 47 | Bso Inc | Cleveland, OK 74020-0597 | Oil & Gas Operator | Feb 2024 |
| 48 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | May 2024 |
| 49 | Buckelew Elise A Cowden | | Oil & Gas Operator | Sep 2022 |
| 50 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | May 2024 |
| 51 | Bulldog Disposal Inc | Laverne, OK 73848-0504 | Oil Operator | Apr 2014 |
| 52 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |