| 1 | B & B Operating Company | Odessa, TX 79760 | Oil & Gas Operator | Jun 2025 |
| 2 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Jun 2025 |
| 3 | B H & T Oil Company Inc | Purcell, OK 73080-3010 | Oil & Gas Operator | Dec 2000 |
| 4 | B R Polk Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2025 |
| 5 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 6 | Balco Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2025 |
| 7 | Banner Oil & Gas LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | Feb 2025 |
| 8 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2025 |
| 9 | Baron Exploration Company | Edmond, OK 73034 | Oil & Gas Operator | Jun 2025 |
| 10 | Barrett Drilling Company | Shawnee, OK 74802-1345 | Oil & Gas Operator | Jun 2013 |
| 11 | Baruch-Foster Corporation | Oklahoma City, OK 73126-6770 | Oil & Gas Operator | Feb 2001 |
| 12 | BC Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jun 2025 |
| 13 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2025 |
| 14 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2025 |
| 15 | Bear Energy LLC | Drumright, OK 74030-0311 | Oil & Gas Operator | Apr 2022 |
| 16 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 17 | Beasley Oil Company | Oklahoma City, OK 73120 | Oil & Gas Operator | Jun 2020 |
| 18 | Beck Pump & Supply Inc | Hennessey, OK 73742-0175 | Oil & Gas Operator | Nov 2019 |
| 19 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2025 |
| 20 | Bedford Energy Inc | Oklahoma City, OK 73112-4731 | Oil & Gas Operator | Sep 2016 |
| 21 | Bell & Kinley Company LLC | Piedmont, OK 73078-8918 | Oil & Gas Operator | Jul 2021 |
| 22 | Bell Supply Co | Kilgore, TX 75662 | Oil & Gas Operator | Jan 2013 |
| 23 | Belport Oil, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Feb 2025 |
| 24 | Benchmark Resources Group LTD | Sapulpa, OK 74066-3238 | Oil & Gas Operator | Dec 2000 |
| 25 | Benson Operating LLC | The Colony, TX 75056-3578 | Oil & Gas Operator | Feb 2025 |
| 26 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 27 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 28 | Beta Oil Company Inc | Oklahoma City, OK 73157-2958 | Oil & Gas Operator | Dec 2022 |
| 29 | Beta Operating Company, LLC | Houston, TX 77210 | Oil & Gas Operator | Apr 2020 |
| 30 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 31 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Jun 2016 |
| 32 | Big Creek Energy LLC | Kingfisher, OK 73750-3102 | Oil & Gas Operator | Mar 2025 |
| 33 | Billy Matthews Production LLC | Dover, OK 73734 | Oil & Gas Operator | Feb 2025 |
| 34 | Black Lava Operating LLC | | Oil & Gas Operator | Feb 2025 |
| 35 | Blackcat Oil Company | Glencoe, OK 74032 | Oil & Gas Operator | Mar 2025 |
| 36 | Blackfire Operating LLC | Oklahoma City, OK 73116-4223 | Oil & Gas Operator | Mar 2025 |
| 37 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 38 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2025 |
| 39 | Blackwell Gas Company | | Gas Operator | Jun 1997 |
| 40 | Blair Oil Company | Kingfisher, OK 73750-1213 | Oil & Gas Operator | Mar 2025 |
| 41 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2025 |
| 42 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2025 |
| 43 | Blue Quail Oil & Gas Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2004 |
| 44 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Mar 2025 |
| 45 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2025 |
| 46 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Mar 2025 |
| 47 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Feb 2025 |
| 48 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Mar 2025 |
| 49 | Boone And Boone Oil Co | Perry, OK 73077 | Oil & Gas Operator | Mar 2008 |
| 50 | Bossa Alan Dba The Land Company | Ringling, OK 73456-2088 | Oil & Gas Operator | Mar 2025 |
| 51 | Bostick Services Corporation | Crescent, OK 73028 | Oil & Gas Operator | Mar 2025 |
| 52 | Boswell Energy Corp. | Oklahoma City, OK 73114-7401 | Oil & Gas Operator | Nov 2004 |
| 53 | Boyle Philip Inc | Norman, OK 73072-6913 | Oil & Gas Operator | Jun 1999 |
| 54 | Boyle Phillip Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2015 |
| 55 | BP Explorationinc/Ofb See #17756 | | Oil & Gas Operator | Apr 2015 |
| 56 | Braden Companies Inc | Edmond, OK 73013-3671 | Oil & Gas Operator | Mar 2025 |
| 57 | Brady Fred D | Cleveland, OK 74020 | Oil & Gas Operator | Mar 1997 |
| 58 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 59 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2025 |
| 60 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Feb 2025 |
| 61 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
| 62 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
| 63 | BRG Production Company | Tulsa, OK 74136-6338 | Oil & Gas Operator | Mar 2025 |
| 64 | Briscoe Oil Company | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Apr 2014 |
| 65 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 66 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 67 | Bromar Oil Company | Fairview, OK 73737-0006 | Oil & Gas Operator | Apr 2014 |
| 68 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 69 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Jun 2025 |
| 70 | Brown, Perry B | | Oil & Gas Operator | Apr 2024 |
| 71 | Bunyard Jerry L | Stroud, OK 74079 | Oil & Gas Operator | Oct 2024 |
| 72 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 73 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 74 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |