| 1 | 3 G Oil Co. | | Oil Operator | Dec 2025 |
| 2 | 325 Energy Operations, LLC | | Oil Operator | Dec 2025 |
| 3 | 5 K Oil LLC | Toronto, KS 66777 | Oil Operator | Nov 2025 |
| 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 | Adair E H Oil Co | | Oil & Gas Operator | Aug 1994 |
| 7 | Alco DRLG. Co. | Freer, TX 78357 | Oil & Gas Operator | Apr 2026 |
| 8 | Armada Operating, LLC | Dallas, TX 75254 | Oil Operator | Aug 2015 |
| 9 | Armadilla Oil & Gas, LLC | Madison, KS 66860 | Oil Operator | Nov 2025 |
| 10 | Ashlock True | | Oil Operator | Nov 1987 |
| 11 | Ashlock, Beryl Roderick | Virgil, KS 66870 | Oil Operator | Dec 2019 |
| 12 | Ashlock, Edd | Neal, KS 66863 | Oil Operator | Dec 1986 |
| 13 | Aztec Oil Operating LLC | El Dorado, KS 67042 | Oil & Gas Operator | Dec 2025 |
| 14 | B & B Oil % Willie Booth | El Dorado, KS 67042 | Oil Operator | Oct 2001 |
| 15 | B & L Oil | Sardis, OH 43946 | Oil & Gas Operator | Dec 2025 |
| 16 | B & L Oil Compan | | Oil Operator | Jun 1988 |
| 17 | Barnard Oil Operations | | Oil Operator | Dec 2025 |
| 18 | Barnard Wells Co | | Oil Operator | Nov 2000 |
| 19 | Bear Petroleum | | Oil & Gas Operator | Dec 1996 |
| 20 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Dec 2025 |
| 21 | Berentz Drilling | | Oil Operator | Jul 1995 |
| 22 | Berentz Drilling Co., Inc. | Wichita, KS 67278 | Oil Operator | Dec 2025 |
| 23 | Bird & Hanley | | Oil Operator | Dec 1993 |
| 24 | Black Gold Well Service, Inc. | Towanda, KS 67144 | Oil Operator | Dec 2019 |
| 25 | BMF Oil LLC | Hamilton, KS 66853 | Oil Operator | Dec 2019 |
| 26 | Boden Oil Compan | | Oil Operator | Jan 1985 |
| 27 | Bonanza Energy Corp | Benedict, KS 66714 | Oil & Gas Operator | Jul 2003 |
| 28 | Booth Oil Compan | | Oil Operator | Aug 1992 |
| 29 | Brake Inc. | | Oil & Gas Operator | Sep 2017 |
| 30 | Brougher Oil, Inc. | Wichita, KS 67212 | Oil & Gas Operator | Apr 2002 |
| 31 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 32 | Broyles, Gerald Earl | Eureka, KS 67045 | Oil Operator | Apr 1996 |
| 33 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 34 | C & G Drilling, Inc | Eureka, KS 67045 | Oil Operator | Dec 2025 |
| 35 | C W Oil Producer | | Oil Operator | Oct 1998 |
| 36 | C3oil, LLC | New Strawn, KS 66839 | Oil Operator | Dec 2025 |
| 37 | Carlin Oil & Gas | | Oil Operator | Jan 1994 |
| 38 | Carroll Energy, LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2023 |
| 39 | Catt Drilling Co. | Holyrood, KS 67450 | Oil Operator | Aug 1989 |
| 40 | CJ Oil Inc | Madison, KS 66860 | Oil Operator | Dec 2025 |
| 41 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Dec 2025 |
| 42 | Cox, Wayne D. | Eureka, KS 67045 | Oil Operator | Sep 1991 |
| 43 | Crane Edward | | Oil Operator | Feb 1995 |
| 44 | Cross Bar Energy, LLC | Wichita, KS 67206 | Oil Operator | Dec 2025 |
| 45 | Crossfield Larry | | Oil & Gas Operator | Sep 1993 |
| 46 | Crude Producers | | Oil & Gas Operator | Sep 1988 |
| 47 | Curry Oil | | Oil Operator | May 2005 |
| 48 | Curry, Gregg | Madison, KS 66860 | Oil Operator | Dec 2025 |
| 49 | Daystar Petroleum Inc | Eureka, KS 67045 | Oil & Gas Operator | Dec 2025 |
| 50 | DBD Oil, LLC | Emporia, KS 66801 | Oil Operator | Dec 2025 |
| 51 | Denchfield, Fred | Neal, KS 66863 | Oil Operator | Dec 1997 |
| 52 | Dimick Production, LLC | Hamilton, KS 66853 | Oil Operator | Dec 2025 |
| 53 | Dixie Oil, LLC | Hamilton, KS 66853 | Oil Operator | Nov 2025 |
| 54 | Dunne Equities Operating, Inc. | Houston, TX 77057 | Oil & Gas Operator | Aug 2022 |
| 55 | Elliott Phillip | | Oil Operator | Feb 1992 |
| 56 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Oct 2024 |
| 57 | Evans Oil Inc. | Lebo, KS 66856 | Oil Operator | Dec 2025 |
| 58 | Evenson Oil Oper | | Oil Operator | Nov 1991 |
| 59 | F & S Oil | | Oil Operator | Dec 2021 |
| 60 | F.E.W. Oil Co. | Oceanside, CA 92058 | Oil Operator | Oct 2012 |
| 61 | Farthing Don Oil | | Oil & Gas Operator | Jun 1994 |
| 62 | Flintstone Energy, LLC | El Dorado, KS 67042 | Oil Operator | Jun 2020 |
| 63 | Flowers Production Co., Inc. | El Dorado, KS 67042 | Oil Operator | Jul 2009 |
| 64 | Forbes Harold G | | Oil Operator | Dec 1984 |
| 65 | Forbes, Patrick T. | Eureka, KS 67045 | Oil Operator | Dec 2025 |
| 66 | French & Winters | | Oil Operator | Feb 1994 |
| 67 | Gaines, Franklin D. | Augusta, KS 67010 | Oil Operator | Sep 2001 |
| 68 | Galemore Oil Com | | Oil Operator | May 1991 |
| 69 | Glacier Petroleu | | Oil & Gas Operator | Nov 1995 |
| 70 | Glacier Petroleum Co Inc | Emporia, KS 66801 | Oil & Gas Operator | Dec 2025 |
| 71 | Greenwood Resources L.L.C. | Pratt, KS 67124 | Oil Operator | Dec 2025 |
| 72 | H & H Oil Company | | Oil & Gas Operator | Dec 2025 |
| 73 | Haas John L | | Oil Operator | Dec 2009 |
| 74 | Haas Petroleum LLC | Prairie VIllage, KS 66208 | Oil Operator | Dec 2025 |
| 75 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 76 | Hall Richard A | | Oil Operator | Sep 1993 |
| 77 | Hall, Michael Wayne | Toronto, KS 66777 | Oil Operator | Dec 2009 |
| 78 | Hawkins Oil, L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2025 |
| 79 | Hedrick, Thomasine | Severy, KS 67137 | Oil Operator | May 2011 |
| 80 | Hensley Oil Company LLC | Arkansas City, KS 67005 | Oil Operator | Dec 2025 |
| 81 | HG Oil Holdings, LLC | Hoisington, KS 67544 | Oil & Gas Operator | Dec 2025 |
| 82 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 83 | Horst Oil, LLC | Pittsburg, MO 65724 | Oil Operator | Dec 2009 |
| 84 | Huber Oil Company, A General Partnership | Madison, KS 66860 | Oil & Gas Operator | Dec 2025 |
| 85 | Igwt, Inc. | Rose Hill, KS 67133 | Oil & Gas Operator | Dec 2025 |
| 86 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Dec 2025 |
| 87 | J M K Incorporat | | Oil & Gas Operator | Dec 1996 |
| 88 | Jackman & Jackma | | Oil Operator | Jan 1986 |
| 89 | Jackson Brothers | | Oil Operator | Dec 1996 |
| 90 | Jackson Brothers, L.L.C. | Eureka, KS 67045 | Oil Operator | Dec 2025 |
| 91 | Jackson John J | | Oil Operator | Nov 1993 |
| 92 | Jacobsen Michael | | Oil Operator | Dec 1996 |
| 93 | Jay Boy Oil Inco | | Oil & Gas Operator | May 1992 |
| 94 | Jim Snyder, Inc. | Hamilton, KS 66853 | Oil Operator | Dec 2025 |
| 95 | JJP Energy, LLC | Fredonia, KS 66736 | Oil Operator | Dec 2009 |
| 96 | John Henry Oil LLC | Eureka, KS 67045 | Oil Operator | Nov 2017 |
| 97 | Jones, William S. | Emporia, KS 66801 | Oil Operator | Oct 1987 |
| 98 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Dec 2025 |
| 99 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 100 | K-3 Energy Corpo | | Oil Operator | May 1988 |