| 1 | 4-M Oil | | Oil Operator | Jan 2025 |
| 2 | A & A Well Service | Kincaid, KS 66039 | Oil Operator | Jan 2025 |
| 3 | A X & P Incorpor | | Oil Operator | Sep 1996 |
| 4 | Ace Energy LLC | Leawood, KS 66211 | Oil & Gas Operator | Feb 2025 |
| 5 | Admiral Bay (USA) Inc. | Centennial, CO 80112 | Gas Operator | Jun 2011 |
| 6 | Alco DRLG. Co. | Freer, TX 78357 | Oil & Gas Operator | May 2025 |
| 7 | Arco Oil & Gas C | | Oil & Gas Operator | Dec 1992 |
| 8 | Arcturus Oil Cor | | Oil Operator | Oct 1989 |
| 9 | Austin, Robert L. | Stafford, KS 67578 | Oil & Gas Operator | Dec 1999 |
| 10 | B & S Oil | | Oil Operator | Jun 2008 |
| 11 | Ballard Lance E | | Oil Operator | Dec 1993 |
| 12 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 13 | Banner Oil | | Oil Operator | Nov 2019 |
| 14 | Bauer Oil Investment, LLC | Cleveland, MO 64734 | Oil Operator | Jan 2025 |
| 15 | Bayonet Petroleum LLC | Moran, KS 66755 | Oil Operator | Jan 2025 |
| 16 | Birk Petroleum | | Oil Operator | Jan 2025 |
| 17 | Black Diamond Oi | | Oil Operator | Dec 1996 |
| 18 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 19 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | Jan 2025 |
| 20 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 21 | Bollinger Oil Co | Tulsa, OK 74105 | Oil Operator | Aug 2018 |
| 22 | Bollinger, Jerald | Chanute, KS 66720 | Oil Operator | Dec 2024 |
| 23 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2025 |
| 24 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 25 | Brixey Enterprises | Stilwell, KS 66085 | Oil Operator | Sep 1996 |
| 26 | Brown, Nicholas L. | Iola, KS 66749 | Oil Operator | Apr 2010 |
| 27 | Buckeye Corporat | | Oil Operator | Dec 1996 |
| 28 | Buddie Sallee | Humboldt, KS 66748 | Oil Operator | Dec 2002 |
| 29 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 30 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 31 | Burton Oil Produ | | Oil Operator | Jan 1985 |
| 32 | C & F Ranch LLC | Iola, KS 66749 | Oil Operator | Dec 2024 |
| 33 | C & S Oil | | Oil Operator | Dec 2019 |
| 34 | C & S Well Servi | | Oil & Gas Operator | Nov 1995 |
| 35 | Carlin Oil & Gas | | Oil Operator | Jan 1994 |
| 36 | Carroll Energy, LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2023 |
| 37 | CDC Oil, LLC | Chanute, KS 66720 | Oil Operator | Dec 2024 |
| 38 | Cherokee Valley | | Oil Operator | May 1993 |
| 39 | Citation Energy | | Oil & Gas Operator | Jul 1993 |
| 40 | Cleaver Loraine | | Oil Operator | Dec 1996 |
| 41 | Cleaver, Loraine G. (Deceased) Estate | Iola, KS 66749 | Oil Operator | Nov 2009 |
| 42 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Jan 2025 |
| 43 | Colt Energy Inco | | Oil & Gas Operator | Dec 1996 |
| 44 | Colt Oil Company | Andrews, TX 79714 | Oil & Gas Operator | Feb 1996 |
| 45 | Dakota Production Co., Inc. | Neodesha, KS 66757 | Gas Operator | Jan 2025 |
| 46 | Damson Oil Corpo | | Oil & Gas Operator | May 1994 |
| 47 | Daniels E L Dril | | Oil Operator | Nov 1995 |
| 48 | Daniels Oil Co. | | Oil Operator | Sep 2024 |
| 49 | Daniels Petroleu | | Oil Operator | Jan 1991 |
| 50 | Davis Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Aug 2021 |
| 51 | Davis, Michael G. | Wichita, KS 67212 | Oil & Gas Operator | Jul 1988 |
| 52 | DB Energy, LLC | Baldwin City, KS 66006 | Oil Operator | Jan 2025 |
| 53 | Dietrich Oil Co., A General Partnership | Humboldt, KS 66748 | Oil Operator | Jul 2000 |
| 54 | Don Erbert Oil Company | | Oil Operator | Oct 2013 |
| 55 | Donna Lee Oil Co | Independence, KS 67301 | Oil & Gas Operator | Apr 2014 |
| 56 | Dorado Gas Resources LLC | Centennial, CO 80112 | Oil & Gas Operator | Jul 2009 |
| 57 | Double F Oil Co. | | Oil Operator | Jun 2009 |
| 58 | E K Energy LLC | Colony, KS 66015 | Oil Operator | Jan 2025 |
| 59 | E. L. Daniels Drilling Contractor | | Oil Operator | Feb 2014 |
| 60 | Eads Operating C | | Oil Operator | Jun 1990 |
| 61 | Eagle Resources | | Oil & Gas Operator | Mar 1987 |
| 62 | Easy Street Oil, Inc. | Iola, KS 66749 | Oil Operator | Sep 1999 |
| 63 | Energy-Vest, Inc. | Bull Shoals, AR 72619 | Oil Operator | Sep 2009 |
| 64 | Enerjex Kansas, Inc. | Leawood, KS 66211 | Oil & Gas Operator | Apr 2010 |
| 65 | Ensminger D & J | | Oil Operator | Dec 1994 |
| 66 | Ensminger Energy LLC | Moran, KS 66755 | Oil Operator | Jan 2025 |
| 67 | Ensminger Oil, LLC | Moran, KS 66755 | Oil Operator | Jan 2025 |
| 68 | Ensminger, Donald & Jack, A General Partnership | Moran, KS 66755 | Oil Operator | Jun 2005 |
| 69 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Oct 2024 |
| 70 | Equinox Oil Comp | | Oil Operator | Dec 1996 |
| 71 | Erbert Don Oil C | | Oil Operator | May 1993 |
| 72 | Evans, Glenn A. | Paola, KS 66071 | Oil Operator | Oct 1989 |
| 73 | Evans, Jay - Oil Company | Iola, KS 66749 | Oil Operator | Apr 2001 |
| 74 | Exodus Gas & Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 75 | F E W Oil Compan | | Oil Operator | Jul 1993 |
| 76 | Fair Banks Enterprises | Chanute, KS 66720 | Oil Operator | Mar 2013 |
| 77 | Faith Partners I | | Oil Operator | Feb 1989 |
| 78 | Farmer Dog Oil Co., A General Partnership | Humboldt, KS 66748 | Oil Operator | Jan 2025 |
| 79 | Flint Hills Production Co., Inc. | Gas City, KS 66742 | Oil Operator | Nov 2009 |
| 80 | Galemore Oil Co. | | Oil Operator | Jan 2025 |
| 81 | Galemore Oil Com | | Oil Operator | May 1991 |
| 82 | Gem Oil Company | Albany, TX 76430 | Oil & Gas Operator | Sep 2002 |
| 83 | George, Mark | Leroy, KS 66857 | Oil Operator | Dec 2024 |
| 84 | Gold Energy Corp | Overland Park, KS 66225-6046 | Oil & Gas Operator | Dec 2021 |
| 85 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 86 | Haas John L | | Oil Operator | Dec 2009 |
| 87 | Haas Petroleum, LLC | Prairie VIllage, KS 66208 | Oil Operator | Jan 2025 |
| 88 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 89 | Haul-Pac, Inc. | Hiawatha, KS 66434 | Oil Operator | Dec 2024 |
| 90 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Jan 2025 |
| 91 | Hill Oil And Gas Co., Inc. | Overland Park, KS 66213 | Oil Operator | Mar 2020 |
| 92 | Hillenburg Oil C | | Oil Operator | Apr 1994 |
| 93 | Hodges Oil | | Oil Operator | Dec 2024 |
| 94 | Hoepker, Larry | Humboldt, KS 66748 | Oil Operator | Dec 2024 |
| 95 | Hopewell Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | May 2025 |
| 96 | Hutton Charles N | | Oil Operator | Dec 1994 |
| 97 | Hutton, Charles N., SR. | Iola, KS 66749 | Oil Operator | Nov 2007 |
| 98 | Imperator Investments LLC | Shawnee, KS 66217 | Oil Operator | Aug 2024 |
| 99 | Independence Energy LLC | | Oil Operator | Jan 2025 |
| 100 | Inferno Energy | Yates Center, KS 66783 | Oil Operator | Jan 2025 |