| 1 | B & D Oil Inc | Bristow, OK 74010-2801 | Oil & Gas Operator | Feb 2017 |
| 2 | B & G Oil & Gas Co | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2000 |
| 3 | B & W Production | Bristow, OK 74010 | Oil Operator | May 1994 |
| 4 | B P Energy | | Oil & Gas Operator | Apr 2015 |
| 5 | Baber Oil Co., LLC | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2025 |
| 6 | Baca Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2000 |
| 7 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 8 | Bailey David A | Mounds, OK 74047 | Oil & Gas Operator | Mar 2025 |
| 9 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Apr 2025 |
| 10 | Bailey Petroleum Corporation | Oklahoma City, OK 73159-7652 | Oil & Gas Operator | Feb 2004 |
| 11 | Bailey Richard Leon | Paden, OK 74860-7152 | Oil & Gas Operator | Mar 2025 |
| 12 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Mar 2025 |
| 13 | Baldridge, Doug | | Oil & Gas Operator | Jul 2018 |
| 14 | Bamsaw Oil Inc | Sapulpa, OK 74067 | Oil Operator | Dec 1993 |
| 15 | Bank Oil Services | Muskogee, OK 74403-4025 | Oil & Gas Operator | Mar 2020 |
| 16 | Bannon Operating Inc | Houston, TX 77068 | Oil & Gas Operator | Sep 2003 |
| 17 | Barden/Bass Oil & Gas Exploration Company Inc | Terrell, TX 75160-3143 | Oil Operator | Mar 2025 |
| 18 | Barnes Darrell | Drumright, OK 74030-5879 | Oil & Gas Operator | Mar 2025 |
| 19 | Barnett Darrell | Bristow, OK 74010-4926 | Oil Operator | Jan 2019 |
| 20 | Barnett James E | Skiatook, OK 74070-0100 | Oil & Gas Operator | May 2013 |
| 21 | Barta Enterprises | Oklahoma City, OK 73162-1728 | Oil & Gas Operator | Mar 2025 |
| 22 | Barton Edward Lee | Mounds, OK 74047-4177 | Oil Operator | Mar 2025 |
| 23 | Baruch-Foster Corporation | Oklahoma City, OK 73126-6770 | Oil & Gas Operator | Feb 2001 |
| 24 | Baugh Allan L | Drumright, OK 74030-5914 | Oil & Gas Operator | Apr 2025 |
| 25 | BD Operating LLC | Artesia, NM 88210 | Oil & Gas Operator | Apr 2025 |
| 26 | Beach Operating Company | Tulsa, OK 74136-5577 | Oil & Gas Operator | Mar 2013 |
| 27 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
| 28 | Becca Oil LLC | Cushing, OK 74023-1347 | Oil & Gas Operator | Mar 2025 |
| 29 | Bell Supply Co | Kilgore, TX 75662 | Oil & Gas Operator | Jan 2013 |
| 30 | Below Ground Level LLC | Sand Springs, OK 74063 | Oil & Gas Operator | Jun 2025 |
| 31 | Benchmark Crude Inc | Tulsa, OK 74105-5920 | Oil & Gas Operator | Sep 2015 |
| 32 | Ber-Mor Oil Inc | Perry, OK 73077-1212 | Oil & Gas Operator | Jul 2015 |
| 33 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 34 | Berry Operating Company | Stillwater, OK 74076-0518 | Oil & Gas Operator | Dec 2016 |
| 35 | Berry, Thomas N. & Co. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2012 |
| 36 | Bertschinger Oil Company | Oklahoma City, OK 73116-6534 | Oil & Gas Operator | Nov 2015 |
| 37 | Bestmark Production Inc | Yukon, OK 73099 | Oil & Gas Operator | Mar 2011 |
| 38 | Big Four Leasing & Operating Inc | Cushing, OK 74023 | Oil & Gas Operator | Mar 2025 |
| 39 | Big Four Petroleum Company | Cushing, OK 74023 | Oil & Gas Operator | Nov 2004 |
| 40 | Bilbe Operating Company | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2003 |
| 41 | Bingman J Brian | Sapulpa, OK 74066-1108 | Oil & Gas Operator | May 2013 |
| 42 | Bird Creek Oil Company | Tulsa, OK 74126 | Oil & Gas Operator | Dec 2000 |
| 43 | Bison Petroleum Inc | Tulsa, OK 74137 | Oil & Gas Operator | Nov 2004 |
| 44 | BK Exploration Corp | Tulsa, OK 74152-009 | Oil & Gas Operator | Mar 2021 |
| 45 | Black Gold Energy LLC | Jenks, OK 74037 | Oil Operator | Jun 2024 |
| 46 | Blackcat Oil Company | Glencoe, OK 74032 | Oil & Gas Operator | Mar 2025 |
| 47 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2025 |
| 48 | Blackstock Petroleum Co | Tulsa, OK 74136-4940 | Oil & Gas Operator | Oct 1994 |
| 49 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2025 |
| 50 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 51 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Apr 2025 |
| 52 | Bluebonnet Oil LLC | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Apr 2025 |
| 53 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 54 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Mar 2025 |
| 55 | Bogo Energy Corporation | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Apr 2025 |
| 56 | Bond Drilling Company | Marietta, OK 73448-0372 | Oil & Gas Operator | Apr 2017 |
| 57 | Boone Operating Inc | Oklahoma City, OK 73118-6014 | Oil & Gas Operator | Mar 2025 |
| 58 | Booth John H Inc | Tulsa, OK 74170 | Oil Operator | Sep 2019 |
| 59 | Bracksieck Lloyd H | Boulder, CO 80303 | Oil & Gas Operator | Feb 2019 |
| 60 | Bradco Oil Inc | Cleveland, OK 74020-3520 | Oil Operator | Jun 2023 |
| 61 | Braden-Deem Inc | Wichita, KS 67226 | Oil & Gas Operator | Jan 2025 |
| 62 | Brady Brothers | Cushing, OK 74023 | Oil Operator | Apr 2014 |
| 63 | Brady Company LLC (The) | Cushing, OK 74023 | Oil & Gas Operator | Feb 2025 |
| 64 | Brady Fred D | Cleveland, OK 74020 | Oil & Gas Operator | Mar 1997 |
| 65 | Brammer Supply Inc | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2014 |
| 66 | Brewer Carroll L | Edmond, OK 73003-0010 | Oil & Gas Operator | Mar 2025 |
| 67 | Brichacek Jerry Lee | Drumright, OK 74030-9777 | Oil & Gas Operator | Jan 2020 |
| 68 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 69 | Bristow Resources Inc | Bristow, OK 74010-0659 | Oil & Gas Operator | Mar 2025 |
| 70 | Bronco Petroleum Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 71 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 72 | Brown Dorla M Trust | Tulsa, OK 74133-2926 | Oil & Gas Operator | Dec 2021 |
| 73 | Brown Gary E | Tecumseh, OK 74873-0355 | Oil & Gas Operator | Aug 2015 |
| 74 | Brown Vernon L & Bonita | Cleveland, OK 74020-4426 | Oil & Gas Operator | Apr 2009 |
| 75 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 76 | Bso Inc | Cleveland, OK 74020 | Oil & Gas Operator | Apr 2025 |
| 77 | Buccaneer Petroleum Inc | Tonkawa, OK 74653-2513 | Oil & Gas Operator | Jan 2013 |
| 78 | Bud'S Oil Company Inc. | Sperry, OK 74073 | Oil & Gas Operator | Dec 2025 |
| 79 | Burchfield Margaret S Dba Nu-Hope Oil Company | Earlsboro, OK 74840 | Oil & Gas Operator | Mar 2025 |
| 80 | Burk George E | Mannford, OK 74044-0593 | Oil & Gas Operator | Oct 2015 |
| 81 | Burkan Oil Company | Tulsa, OK 74137 | Oil & Gas Operator | Dec 1995 |
| 82 | Burt James & Charles Maybee | Sperry, OK 74073-8001 | Oil & Gas Operator | Nov 2014 |