| 1 | 3 B Energy, Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2012 |
| 2 | A X & P Incorpor | | Oil Operator | Sep 1996 |
| 3 | A X & P, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2015 |
| 4 | Abderhalden, R. R. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 5 | Ace Energy LLC | Leawood, KS 66211 | Oil & Gas Operator | Jan 2026 |
| 6 | Adm Industrial O | | Oil Operator | Nov 1989 |
| 7 | Admiral Bay (USA) Inc. | Centennial, CO 80112 | Gas Operator | Jun 2011 |
| 8 | Adr Operating, Inc. | Independence, KS 67301 | Oil & Gas Operator | Sep 2013 |
| 9 | American Energy Resources, LLC | Belton, MO 64012 | Oil Operator | Dec 2019 |
| 10 | Associated Petro | | Oil & Gas Operator | Aug 1994 |
| 11 | Austin Robert L | Stafford, KS 67578 | Oil & Gas Operator | Dec 1999 |
| 12 | Austin, Robert E. | Miami, OK 74354 | Oil Operator | Dec 1995 |
| 13 | B-P Ent. | Arlington, TX 76015 | Oil Operator | Jul 1996 |
| 14 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil Operator | Dec 2009 |
| 15 | Bailey, Albian W., Jr. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 16 | Bailey, Gene M. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 17 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 18 | Barnes, Cordell W. | Caney, KS 67333 | Oil Operator | Dec 1986 |
| 19 | Beacon Explorati | | Oil Operator | Apr 1987 |
| 20 | Berco Oil Co., A General Partnership | Buffalo, KS 66717 | Oil & Gas Operator | Dec 2025 |
| 21 | Berky Resources | | Oil & Gas Operator | Sep 1994 |
| 22 | Bill Gallagher Enterprises LLC | Newport Beach, CA 92663 | Gas Operator | Jan 2016 |
| 23 | Biron Incorporat | | Oil Operator | Aug 1989 |
| 24 | Bishop Oil & Exp | | Oil Operator | Dec 1988 |
| 25 | Blackhawk Oil Co | Ottawa, KS 66067 | Oil & Gas Operator | Jan 2011 |
| 26 | Blue Jay Operating, LLC | Fort Worth, TX 76107 | Gas Operator | Dec 2009 |
| 27 | Blue Mountain Company, Inc. | Wichita, KS 67212 | Oil Operator | Feb 1999 |
| 28 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 29 | Bluejacket Operating, LLC | | Oil Operator | Dec 2025 |
| 30 | Bollinger Oil Company | Tulsa, OK 74105 | Oil Operator | Aug 2018 |
| 31 | Bonanza Energy C | | Oil & Gas Operator | Sep 1995 |
| 32 | Bonanza Energy Corp | Benedict, KS 66714 | Oil & Gas Operator | Jul 2003 |
| 33 | Bridwell, Kayla & Gary | Independence, KS 67301 | Oil & Gas Operator | Dec 2009 |
| 34 | Caravel Energy O | | Oil & Gas Operator | Feb 1987 |
| 35 | Carlin Oil & Gas | | Oil Operator | Jan 1994 |
| 36 | Carroll Energy, LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2023 |
| 37 | Cep Mid-Continent LLC | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2026 |
| 38 | Chase, Michael | Chanute, KS 66720 | Oil Operator | Mar 1999 |
| 39 | Cherokee Basin Pipeline LLC | Mason, MI 48854 | Gas Operator | Dec 2025 |
| 40 | Cherokee Wells LLC | Fredonia, KS 66736 | Oil & Gas Operator | Dec 2025 |
| 41 | Cherokeenrg LLC | Neodesha, KS 66757 | Oil & Gas Operator | Dec 2019 |
| 42 | Chooch Incorpora | | Gas Operator | Dec 1994 |
| 43 | CK Oil | | Oil Operator | Aug 2025 |
| 44 | Clear Creek Exploration LLC | Fredonia, KS 66736 | Gas Operator | Apr 2011 |
| 45 | Cleaver, Loraine G. (Deceased) Estate | Iola, KS 66749 | Oil Operator | Nov 2009 |
| 46 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Dec 2025 |
| 47 | Cornell Rich M - | | Oil & Gas Operator | May 1993 |
| 48 | Cowboy Oil & Gas | Bristow, OK 74010-0057 | Oil & Gas Operator | Jul 2018 |
| 49 | CTR 247 LLC | Peru, KS 67360 | Oil Operator | Dec 2025 |
| 50 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 51 | Dakota Production Co., Inc. | Neodesha, KS 66757 | Gas Operator | Dec 2025 |
| 52 | Dart Cherokee Basin Operating Co., LLC | Mason, MI 48854 | Oil & Gas Operator | Dec 2025 |
| 53 | Davis Drilling & | | Oil Operator | Jul 1989 |
| 54 | Davis Oil Compan | | Oil Operator | Jul 1988 |
| 55 | Davis, Michael G. | Wichita, KS 67212 | Oil & Gas Operator | Jul 1988 |
| 56 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Apr 2026 |
| 57 | Denova | | Oil Operator | Jan 1989 |
| 58 | Dorado Gas Resources LLC | Centennial, CO 80112 | Oil & Gas Operator | Jul 2009 |
| 59 | Double Eagle Exploration Inc | Windthorst, TX 76389 | Oil Operator | Dec 2025 |
| 60 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Dec 2025 |
| 61 | E O R Petroleum | | Oil Operator | Oct 1987 |
| 62 | Eads Operating C | | Oil Operator | Jun 1990 |
| 63 | Eby Oil Co. | | Oil Operator | Sep 2017 |
| 64 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Oct 2024 |
| 65 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 66 | Erbe, Dwayne E. (Estate) | Neodesha, KS 66757 | Oil Operator | Jul 2025 |
| 67 | Exodus Gas & Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 68 | F E W Oil Compan | | Oil Operator | Jul 1993 |
| 69 | Fair Banks Enterprises | Chanute, KS 66720 | Oil Operator | Mar 2013 |
| 70 | Farrar Oilwell S | | Oil & Gas Operator | Jul 1986 |
| 71 | Finley Oil Compa | | Oil Operator | Oct 1992 |
| 72 | Franklin Calvin | | Oil Operator | Aug 1995 |
| 73 | Fuller Oil | Iola, KS 66749 | Oil Operator | Jun 2001 |
| 74 | G & N Well Service, A General Partnership | Thayer, KS 66776 | Gas Operator | Dec 2025 |
| 75 | G M Enterprises | Chanute, KS 66720 | Oil Operator | Jan 1987 |
| 76 | Galemore Oil Co. | | Oil Operator | May 2025 |
| 77 | Galemore Oil Com | | Oil Operator | May 1991 |
| 78 | Galemore, John E. | Chanute, KS 66720 | Oil Operator | Sep 2001 |
| 79 | Gateway Resources USA Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 2026 |
| 80 | Geo Oil & Gas Service, A General Partnership | Iola, KS 66749 | Oil & Gas Operator | Dec 2019 |
| 81 | Graybol-Patton C | | Oil & Gas Operator | Oct 1991 |
| 82 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 83 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 84 | Gressel Production, LLC | South Haven, KS 67140 | Oil & Gas Operator | Dec 2025 |
| 85 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 86 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 87 | Hackley Okla Inc | | Oil & Gas Operator | Aug 1992 |
| 88 | Hall Oil Company | Humboldt, KS 66748 | Oil Operator | Nov 2009 |
| 89 | Heat Can Oil, LLC | Chanute, KS 66720 | Oil Operator | Jun 2009 |
| 90 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 91 | Housel, Robert E. | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2003 |
| 92 | Independence Energy LLC | | Oil Operator | Dec 2025 |
| 93 | J E B Oil Resear | | Oil & Gas Operator | Nov 1993 |
| 94 | J-V Oil, LLC | Chanute, KS 66720 | Oil & Gas Operator | Dec 2025 |
| 95 | J.E.B. Oil Research, Inc. | Neodesha, KS 66757 | Gas Operator | Sep 2003 |
| 96 | Johnson Dozer Service | Thayer, KS 66776 | Oil Operator | Dec 2009 |
| 97 | K.C. Energy | Kansas City, MO 64111 | Oil Operator | Apr 1986 |
| 98 | Kamc Oil & Gas LLC | Queen Creek, AZ 85142 | Oil Operator | Jan 2011 |
| 99 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 100 | Kansas Oil, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2009 |