| 1 | B & B SWD LLC | | Oil Operator | Mar 2024 |
| 2 | B & B Tool Company Inc | Lindsay, OK 73052-0729 | Oil & Gas Operator | Mar 2024 |
| 3 | B & H Oil Co. | Oklahoma City, OK 73108 | Oil & Gas Operator | Jan 2024 |
| 4 | B & W Operating, L.L.C. | Oklahoma City, OK 73116 | Oil & Gas Operator | Mar 2024 |
| 5 | Balco Energy Inc | Duncan, OK 73534-2086 | Oil & Gas Operator | Mar 2024 |
| 6 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Feb 2024 |
| 7 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | May 2024 |
| 8 | Bargo Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2014 |
| 9 | Barnes Producing Company LLC | | Oil Operator | Mar 2024 |
| 10 | Barta Enterprises | Oklahoma City, OK 73162-1728 | Oil & Gas Operator | Feb 2024 |
| 11 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | May 2024 |
| 12 | Basin Operating Services LLC | | Oil & Gas Operator | Feb 2024 |
| 13 | Bayou Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jan 2015 |
| 14 | Bays Exploration Inc | Oklahoma City, OK 73116-9004 | Oil & Gas Operator | Feb 2024 |
| 15 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2024 |
| 16 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | May 2024 |
| 17 | Bce-Mach LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2024 |
| 18 | BD Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 19 | Beach Operating Company | Tulsa, OK 74136-5577 | Oil & Gas Operator | Mar 2013 |
| 20 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 21 | Beaver Creek Energy LLC | | Oil Operator | Mar 2024 |
| 22 | Becker Oil Corporation | Ponca City, OK 74602 | Oil & Gas Operator | Feb 2024 |
| 23 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
| 24 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 25 | Below Ground Level LLC | Sand Springs, OK 74063 | Oil & Gas Operator | May 2024 |
| 26 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Apr 2024 |
| 27 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | May 2024 |
| 28 | Bestmark Production Inc | Yukon, OK 73099 | Oil & Gas Operator | Mar 2011 |
| 29 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 30 | Biffle SR Bob | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 31 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 32 | Billy Judd Investment Company | Ardmore, OK 73401-1095 | Oil & Gas Operator | Feb 2024 |
| 33 | Bingman Lois Lemons | Healdton, OK 73438-0328 | Oil Operator | Sep 1996 |
| 34 | Black Mesa Energy LLC | | Oil & Gas Operator | Mar 2024 |
| 35 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2024 |
| 36 | Blakemore Oil & Gas In Okla | Allen, TX 75002-5008 | Oil Operator | Aug 2013 |
| 37 | Blue Cedar Energy LLC | | Oil & Gas Operator | Mar 2024 |
| 38 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2024 |
| 39 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | May 2024 |
| 40 | Bluebonnet Oil LLC | | Oil & Gas Operator | Mar 2024 |
| 41 | Bluemark Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Feb 2024 |
| 42 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 43 | Bo-MC Operating Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Mar 2018 |
| 44 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 45 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Mar 2024 |
| 46 | Bolin R L Properties LP | Wichita Falls, TX 76308-2829 | Oil & Gas Operator | Mar 2024 |
| 47 | Bomber Energy LLC | | Oil & Gas Operator | Mar 2024 |
| 48 | Borinquen Oil Company | Tussy, OK 73088 | Oil Operator | Nov 2001 |
| 49 | Boswell Energy Corp. | Oklahoma City, OK 73114-7401 | Oil & Gas Operator | Nov 2004 |
| 50 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2024 |
| 51 | BP Explorationinc/Ofb See #17756 | | Oil & Gas Operator | Apr 2015 |
| 52 | Bradmar Petroleum Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 53 | Brady Energy Investments LLC | | Oil & Gas Operator | Feb 2024 |
| 54 | Brady William H | Healdton, OK 73438-0788 | Oil & Gas Operator | Jan 2024 |
| 55 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 56 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2024 |
| 57 | Brenneis Energy | Duncan, OK 73533-5415 | Oil & Gas Operator | Feb 2024 |
| 58 | Brenneis Oil Company | Norman, OK 73072-3963 | Oil & Gas Operator | Aug 2012 |
| 59 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 60 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 61 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 62 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 63 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 64 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 65 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | May 2024 |
| 66 | Brown & Brown Production Inc | Ratliff City, OK 73481-0248 | Oil & Gas Operator | Feb 2024 |
| 67 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 68 | Bud Oil, Inc. | Duncan, OK 73534 | Oil & Gas Operator | May 2024 |
| 69 | Bullard Bros Production Co Inc | Comanche, OK 73529-0637 | Oil Operator | Mar 2015 |
| 70 | Bullard Don W | Ardmore, OK 73401-3646 | Oil & Gas Operator | Dec 2019 |
| 71 | Bullard Oil Company LLC | Tuttle, OK 73089-8375 | Oil Operator | Mar 2024 |
| 72 | Bunyard Jerry L | Stroud, OK 74079-9705 | Oil & Gas Operator | Feb 2024 |
| 73 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 74 | Butkin Oil Company LLC | Duncan, OK 73534-2090 | Oil & Gas Operator | Mar 2023 |
| 75 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |