| 1 | A T Oil | Bartlesville, OK 74003 | Oil Operator | Mar 1996 |
| 2 | A X & P Incorpor | | Oil Operator | Sep 1996 |
| 3 | A X & P, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2015 |
| 4 | A-1 Well Service | Coffeyville, KS 67337-9578 | Oil & Gas Operator | Mar 2021 |
| 5 | A. R. & R., LTD. | Bartlesville, OK 74006 | Oil & Gas Operator | Sep 2025 |
| 6 | Acl Production, LLC | Independence, KS 67301 | Oil Operator | Sep 2017 |
| 7 | Adr Operating, Inc. | Independence, KS 67301 | Oil & Gas Operator | Sep 2013 |
| 8 | Aesir Energy | | Oil Operator | Oct 2007 |
| 9 | Alexander, Gary M. | Peru, KS 67360 | Oil Operator | Mar 2025 |
| 10 | Allam WM Robt Jr | | Oil Operator | Aug 1993 |
| 11 | Allenergy, Inc. | Grove, OK 74345 | Oil & Gas Operator | Jul 2012 |
| 12 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Oct 2025 |
| 13 | Aquila Resources | Burkesville, KY 42717 | Oil & Gas Operator | Dec 2022 |
| 14 | Argas Incorporat | | Oil & Gas Operator | Aug 1995 |
| 15 | Asg Holdings LLC | Colorado Springs, CO 80907 | Oil Operator | Nov 2009 |
| 16 | Ashford, Jerry | Caney, KS 67333 | Oil Operator | Aug 1992 |
| 17 | B & B Drilling Co. | Milano, TX 76556 | Oil & Gas Operator | Jul 2015 |
| 18 | B & B Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Sep 2025 |
| 19 | B & B Oil, LLC | Havana, KS 67347 | Oil Operator | Sep 2025 |
| 20 | B & H Drilling, A General Partnership | Moline, KS 67353 | Oil Operator | Nov 2009 |
| 21 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Dec 2025 |
| 22 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 23 | Bar CT Ranch, LP | Caney, KS 67333 | Oil Operator | Sep 2025 |
| 24 | Barnes, Cordell W. | Caney, KS 67333 | Oil Operator | Dec 1986 |
| 25 | Bayless, Dennis L. | Havana, KS 67347 | Gas Operator | Jul 2009 |
| 26 | Bellmyer, Fred L | Caney, KS 67333 | Oil Operator | May 1997 |
| 27 | Benson Mineral G | | Oil & Gas Operator | Dec 1995 |
| 28 | Benson Mineral Group, Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2022 |
| 29 | Big Jack Oil & G | | Oil Operator | Sep 1986 |
| 30 | Biron Incorporat | | Oil Operator | Aug 1989 |
| 31 | Bishop Oil & Exp | | Oil Operator | Dec 1988 |
| 32 | Black Star Petro | | Oil Operator | Jul 1995 |
| 33 | Black Star Petroleum Corp. | Oceanside, NY 11572 | Oil Operator | Oct 1997 |
| 34 | Boeckman, Robert | Independence, KS 67301 | Oil Operator | Aug 2004 |
| 35 | Bollinger Limite | | Oil & Gas Operator | Jul 1989 |
| 36 | Bollinger, LTD. | Savonburg, KS 66772 | Gas Operator | May 2002 |
| 37 | Boots, H. E. | Independence, KS 67301 | Oil Operator | Apr 1993 |
| 38 | Boyd, Daniel P. | Overland Park, KS 66214 | Oil Operator | Mar 1989 |
| 39 | BPG Capital, LLC | Frisco, TX 75034 | Oil Operator | Jul 2018 |
| 40 | Bright, Wayne E. | Independence, KS 67301 | Oil & Gas Operator | Sep 2025 |
| 41 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 42 | Buffalo Operating Corporation | Westminister, CO 80234 | Oil & Gas Operator | Dec 2001 |
| 43 | Burk Lease | Cherryvale, KS 67335 | Oil & Gas Operator | Mar 1994 |
| 44 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 45 | C & G Oil Compan | | Oil & Gas Operator | Dec 1989 |
| 46 | Carroll Energy, LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2023 |
| 47 | Carroll Oil Prod | | Oil Operator | Jan 1986 |
| 48 | Carroll T L Ente | | Gas Operator | Aug 1989 |
| 49 | Cep Mid-Continent LLC | Skiatook, OK 74070 | Oil & Gas Operator | Oct 2025 |
| 50 | Chase, Glen Drilling | Chanute, KS 66720 | Oil Operator | Jul 1996 |
| 51 | Cherryvale Gas Co. | Cherryvale, KS 67335 | Oil Operator | Jan 2002 |
| 52 | Chipmunk'S Oil & Gas Lease Oper., Inc. | Copan, OK 74022 | Oil Operator | Dec 1996 |
| 53 | Chris Melander Drilling | | Oil Operator | Jun 2015 |
| 54 | Claibourn, Darrel R. | Neodesha, KS 66757 | Oil Operator | Oct 2011 |
| 55 | Clark Energy, LLC | Chanute, KS 66720 | Oil & Gas Operator | Jun 2022 |
| 56 | Clausing, Garry | Coffeyville, KS 67337 | Oil Operator | Apr 2024 |
| 57 | Cleaver Loraine | | Oil Operator | Dec 1996 |
| 58 | Cleaver, Loraine G. (Deceased) Estate | Iola, KS 66749 | Oil Operator | Nov 2009 |
| 59 | Clubine, Jim L. | Independence, KS 67301 | Oil Operator | Aug 2025 |
| 60 | CMX, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 61 | Collins Oil Co. | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2024 |
| 62 | Collins Oil Comp | | Oil Operator | Apr 1995 |
| 63 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Sep 2025 |
| 64 | Colt Energy Inco | | Oil & Gas Operator | Dec 1996 |
| 65 | Condry Oil Compa | | Oil Operator | May 1992 |
| 66 | Cooke, Donald E./Lee Wanda | Coffeyville, KS 67331 | Oil Operator | Dec 2001 |
| 67 | Cornell Rich M - | | Oil & Gas Operator | May 1993 |
| 68 | Criteria Petrole | | Oil Operator | Sep 1996 |
| 69 | Cunningham Crude, A General Partnership | Independence, KS 67301 | Oil Operator | Sep 2025 |
| 70 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 71 | Da Co Petroleum, Inc. | Wann, OK 74083 | Gas Operator | Apr 2003 |
| 72 | Da Company Petro | | Gas Operator | Jun 1995 |
| 73 | Darco Petroleum Inc | Bartlesville, OK 74005 | Oil & Gas Operator | Dec 2020 |
| 74 | Dart Cherokee Basin Operating Co., LLC | Mason, MI 48854 | Oil & Gas Operator | Sep 2025 |
| 75 | Davis Drilling & | | Oil Operator | Jul 1989 |
| 76 | Davis Oil Compan | | Oil Operator | Jul 1988 |
| 77 | Davis Operating Company | Elysian Field, TX 75642 | Oil & Gas Operator | Dec 2025 |
| 78 | Deer Run Oil Lease, LLC | Caney, KS 67333 | Oil Operator | Jul 2025 |
| 79 | Delozier, Orval & Stevens, Floyd, A General Partnership | Dewey, OK 74029 | Oil Operator | Nov 2009 |
| 80 | Denny, Arthur Gene | Independence, KS 67301 | Oil Operator | Oct 1996 |
| 81 | DNB Drilling, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2001 |
| 82 | Donke Oil & Gas, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Mar 2018 |
| 83 | Donna Lee Oil Co | Independence, KS 67301 | Oil & Gas Operator | Apr 2014 |
| 84 | Double Ten Petro | | Oil Operator | Jul 1994 |
| 85 | DRL Operating In | | Oil Operator | Sep 1986 |
| 86 | Dwarf Oil Company | | Oil & Gas Operator | Mar 2025 |
| 87 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Nov 2025 |
| 88 | Earth Scientists | | Oil Operator | Jan 1986 |
| 89 | Eastern Petroleu | | Oil & Gas Operator | Oct 1993 |
| 90 | Elk City Oil Field Service | Elk City, KS 67344 | Oil Operator | Oct 1996 |
| 91 | Elmore Farm | | Oil Operator | Sep 2009 |
| 92 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 93 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 94 | Energyquest Management, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2021 |
| 95 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 96 | Equinox Oil Company Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2019 |
| 97 | Fair Seas Enterp | | Oil & Gas Operator | Jun 1988 |
| 98 | Fidelity Energy, Inc. | Houston, TX 77055 | Oil & Gas Operator | Dec 2009 |
| 99 | Finney Drilling Company | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 100 | Finney Oil Company | | Oil & Gas Operator | Sep 2025 |