| 1 | B & B Oil | Lyons, KS 67554 | Oil & Gas Operator | Feb 2024 |
| 2 | B & H Oil Co. | Oklahoma City, OK 73108 | Oil & Gas Operator | Jan 2024 |
| 3 | B & K Partnership | Burleson, TX 76028 | Oil Operator | Apr 2024 |
| 4 | B & W Operating, L.L.C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jul 2024 |
| 5 | B B R Oil Corporation | Norman, OK 73069 | Oil & Gas Operator | Jun 2024 |
| 6 | B H & T Oil Company Inc | Purcell, OK 73080-3010 | Oil & Gas Operator | Dec 2000 |
| 7 | B R Polk Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2024 |
| 8 | B. & L. Oil Company | Seguin, TX 78155 | Oil & Gas Operator | Sep 2024 |
| 9 | Baca Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2000 |
| 10 | Bakin Oil And Gas | Peru, KS 67360 | Oil & Gas Operator | Apr 2020 |
| 11 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Jun 2024 |
| 12 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Sep 2024 |
| 13 | Bargo Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2014 |
| 14 | Barnes Producing Company LLC | Ardmore, OK 73401-8882 | Oil Operator | May 2024 |
| 15 | Barr Energy LLC | Oklahoma City, OK 73111-8129 | Oil Operator | Jun 2010 |
| 16 | Barrett Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 17 | Baruch-Foster Corporation | Oklahoma City, OK 73126-6770 | Oil & Gas Operator | Feb 2001 |
| 18 | Bayou Oil LLC | Ardmore, OK 73401-4726 | Oil & Gas Operator | May 2024 |
| 19 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Sep 2024 |
| 20 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jul 2024 |
| 21 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 22 | Belco Development Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 1994 |
| 23 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 24 | Bend Petroleum Corp | Muenster, TX 76252 | Oil & Gas Operator | Nov 2023 |
| 25 | Bentley & Laing | Wichita Falls, TX 76302 | Oil & Gas Operator | Feb 2002 |
| 26 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Aug 2024 |
| 27 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Sep 2024 |
| 28 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 29 | Biggs, Laura L | | Oil & Gas Operator | Jul 2019 |
| 30 | Billy Judd Investment Company | Ardmore, OK 73401-1095 | Oil & Gas Operator | Jul 2024 |
| 31 | Black Lava Operating LLC | Irving, TX 75039 | Oil & Gas Operator | Jun 2024 |
| 32 | Black Mesa Energy LLC | Tulsa, OK 74103-4334 | Oil & Gas Operator | Jun 2024 |
| 33 | Blackwell Exploration & Development LLC | Dallas, TX 75252-5637 | Oil & Gas Operator | Jan 2024 |
| 34 | Blue Cedar Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Jul 2024 |
| 35 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Sep 2024 |
| 36 | Bluemark Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Jun 2024 |
| 37 | BNK Petroleum (Us) Inc | Thousand Oaks, CA 91320-1272 | Oil & Gas Operator | Jun 2024 |
| 38 | Bo-MC Operating Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Mar 2018 |
| 39 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 40 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Jul 2024 |
| 41 | Bossa Alan Dba The Land Company | Ringling, OK 73456-2088 | Oil & Gas Operator | Aug 2023 |
| 42 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2024 |
| 43 | BP Explorationinc/Ofb See #17756 | | Oil & Gas Operator | Apr 2015 |
| 44 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 45 | Brady Energy Investments LLC | Healdton, OK 73438-0788 | Oil & Gas Operator | Jun 2024 |
| 46 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | May 2024 |
| 47 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 48 | Bravo Natural Resources, Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
| 49 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2024 |
| 50 | Brenneis Energy | Duncan, OK 73533-5415 | Oil & Gas Operator | Jun 2024 |
| 51 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Jun 2024 |
| 52 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 53 | Brocon Inc | Healdton, OK 73438 | Oil & Gas Operator | May 2020 |
| 54 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Sep 2024 |
| 55 | Brown & Brown Production Inc | Ratliff City, OK 73481 | Oil & Gas Operator | Jun 2024 |
| 56 | Brown Vernon L & Bonita | Cleveland, OK 74020-4426 | Oil & Gas Operator | Apr 2009 |
| 57 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Sep 2024 |
| 58 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 59 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | Jul 2024 |
| 60 | Bullards Oilfield Service Inc | Ardmore, OK 73401-3646 | Oil Operator | Sep 1999 |
| 61 | Burrows Leroy And Barbara | Okemah, OK 74859 | Oil & Gas Operator | Jun 2024 |
| 62 | Burton Oil Properties | Ratliff City, OK 73081 | Oil & Gas Operator | Jun 2024 |
| 63 | Busey Naman | Elmore City, OK 73433-9583 | Oil & Gas Operator | Jun 2024 |
| 64 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 65 | Butkin Oil Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2023 |
| 66 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |