| 1 | Aegean Petroleum | | Oil Operator | Mar 1982 |
| 2 | Agv Corp. | Attica, KS 67009 | Oil & Gas Operator | Dec 2025 |
| 3 | Aj Oil, Inc. | Springfield, LA 70462 | Oil Operator | Oct 2019 |
| 4 | Altavista Energy, Inc. | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 5 | American Energy | Abilene, TX 79604 | Oil & Gas Operator | Jul 2004 |
| 6 | B & N Oil, LLC | | Oil Operator | Nov 2025 |
| 7 | Ballou Energy | | Oil Operator | Dec 2025 |
| 8 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 9 | Ballou Oil Well Service | | Oil Operator | Dec 2025 |
| 10 | Bauer Oil Investment LLC | Cleveland, MO 64734 | Oil Operator | Dec 2025 |
| 11 | Black-Travis, Inc. | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 12 | Bloomer Well Ser | | Oil Operator | Mar 1995 |
| 13 | Blue Diamond Holdings, LLC | Wellsville, KS 66092 | Oil Operator | Dec 2009 |
| 14 | Bluetop Oil Comp | | Oil Operator | Nov 1995 |
| 15 | Bobcat Oilfield Service, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 16 | Bobcat Oilfield Services, Inc. | | Oil Operator | Dec 2009 |
| 17 | Bogle Dale Drill | | Oil Operator | Jul 1995 |
| 18 | Bogle Oilfield Services, LLC | Wellsville, KS 66092 | Oil Operator | Oct 2017 |
| 19 | Bomber Oil Inc. | Parker, KS 66072 | Oil Operator | Oct 2022 |
| 20 | Brant Energy LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 21 | Brass Oil | | Oil Operator | Dec 2025 |
| 22 | Brewer, Freddie P. | Paola, KS 66071 | Oil Operator | Nov 2003 |
| 23 | Brown Gene Compa | | Oil Operator | Sep 1995 |
| 24 | Burns WM J | | Oil Operator | Jun 1994 |
| 25 | C & R Well Service, A General Partnership | Garnett, KS 66032 | Oil Operator | Dec 2009 |
| 26 | C D Oil | Wellsville, KS 66092 | Oil Operator | Aug 1998 |
| 27 | C F Oil - Frazie | | Oil Operator | Dec 1994 |
| 28 | C. D. Oil, Inc. | Wellsville, KS 66092 | Oil Operator | Dec 2009 |
| 29 | C. F. Oil, A General Partnership | Lake Lotawana, MO 64086 | Oil Operator | Nov 2025 |
| 30 | Captain'S Oil Inc. | Louisburg, KS 66053 | Oil Operator | Sep 2003 |
| 31 | Central States Energy LLC | Scottsdale, AZ 85260 | Gas Operator | Apr 2012 |
| 32 | CHC III Paola Energy, LLC | | Oil Operator | Dec 2025 |
| 33 | Clark Oil, LLC | Wellsville, KS 66092 | Oil Operator | Apr 2022 |
| 34 | Clinton, Orville L., Jr. | Paola, KS 66071 | Oil Operator | Apr 2005 |
| 35 | Cody & Krysti Hunsperger | Osawatomie, KS 66064 | Oil Operator | Mar 2024 |
| 36 | Continental Expl | | Oil Operator | Sep 1991 |
| 37 | Crater, Gary D. | Kansas City, MO 64108 | Oil & Gas Operator | Feb 1988 |
| 38 | Crawford County Production LLC | | Oil Operator | Dec 2025 |
| 39 | Crawford Oil LLC | Paola, KS 66071 | Oil Operator | Dec 2019 |
| 40 | Crude Kin Oil Company, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 41 | D & D Energy | | Oil Operator | Jul 2023 |
| 42 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Dec 2025 |
| 43 | D.K. Rush Oil Co., LLC | El Dorado, KS 67042 | Oil Operator | Dec 2025 |
| 44 | Da Energy, LLC | Lees Summit, MO 64063 | Oil Operator | Dec 2025 |
| 45 | Dale E. Jackson Production Co. | | Oil Operator | Dec 2025 |
| 46 | Diamond B Indust | | Oil Operator | Nov 1996 |
| 47 | Diamond B Miami Flood, LTD. | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 48 | Diamond Star Oil, Inc. | Lacygne, KS 66040 | Oil Operator | Dec 2019 |
| 49 | Doudna, Mark A. | Osawatomie, KS 66064 | Oil Operator | Nov 2009 |
| 50 | Eastern Kansas Operating, LLC | Sun Lakes, AZ 85248 | Oil & Gas Operator | Apr 2018 |
| 51 | Edwards Lease,The | | Oil Operator | Oct 2016 |
| 52 | Enerjex Kansas, Inc. | Leawood, KS 66211 | Oil & Gas Operator | Apr 2010 |
| 53 | Eps Resources Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 2009 |
| 54 | Excel Oil & Gas L.L.C. | Bucyrus, KS 66013 | Oil Operator | Oct 2025 |
| 55 | Flatland Energy, LLC | Gardner, KS 66030 | Oil Operator | Dec 2025 |
| 56 | Four-J Oil Ops | Osawatomie, KS 66064 | Oil Operator | Mar 1998 |
| 57 | Glaze Alva G Dri | | Oil Operator | Apr 1991 |
| 58 | Guinotte Company LLC | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 59 | Gustison Steven | | Oil Operator | Feb 1985 |
| 60 | Haas John L | | Oil Operator | Dec 2009 |
| 61 | Haas Petroleum LLC | Prairie VIllage, KS 66208 | Oil Operator | Dec 2025 |
| 62 | Hart, Nick And Connie | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 63 | Hat Creek Cattle Company, A General Partnership | Paola, KS 66071 | Oil Operator | Aug 2016 |
| 64 | HB Energy LLC | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 65 | HD Well Services LLC | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 66 | Heartland Oil & Gas Inc. | Gypsum, KS 67448 | Gas Operator | Jun 2011 |
| 67 | Heger J J & Asso | | Oil Operator | Jun 1983 |
| 68 | Hodges Oil | | Oil Operator | Dec 2025 |
| 69 | Honey Well, LLC | Lenexa, KS 66219 | Oil Operator | Dec 2025 |
| 70 | Howell Oil Compa | | Oil & Gas Operator | Aug 1995 |
| 71 | Howell Oil Company | Hutchinson, KS 67504 | Oil & Gas Operator | Dec 2025 |
| 72 | Hughes Drilling Co Inc | Enid, OK 73702 | Oil & Gas Operator | Apr 1998 |
| 73 | Hughes Drilling Co, A General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 74 | Hughes Services, LLC | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 75 | Hunt Oil, LLC | Garnett, KS 66032 | Oil Operator | Nov 2025 |
| 76 | J. Herrick Pro | | Oil Operator | Nov 2025 |
| 77 | Jack W Sanders & Son, General Partnership | Wellsville, KS 66092 | Oil Operator | Nov 2025 |
| 78 | Jackson, Levi | Mound City, KS 66056 | Oil Operator | Dec 2025 |
| 79 | Jay M. Schendel, A General Partnership | Wellsville, KS 66092 | Oil Operator | Dec 2019 |
| 80 | Jeffries, Peter | Leawood, KS 66224 | Oil Operator | Aug 2021 |
| 81 | Johnson Donald L | | Oil Operator | Dec 2009 |
| 82 | Johnson Oil Co., LLC | Buffalo, KS 66717 | Oil Operator | Dec 2025 |
| 83 | Johnson, Norman L. | Rantoul, KS 66079 | Oil Operator | Jan 2002 |
| 84 | JTC Oil Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 85 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 86 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 87 | Kansas City Oil, LLC | Parkville, MO 64152 | Oil Operator | Nov 2025 |
| 88 | Kansas Resource Exploration & Development, LLC | Overland Park, KS 66202 | Oil Operator | Dec 2025 |
| 89 | Kernodle Bros. Oil & Gas, General Partnership | Raytown, MO 64133 | Oil Operator | Jun 2018 |
| 90 | Kitchen, Robert (Deceased) | Osawatomie, KS 66064 | Oil Operator | Oct 2009 |
| 91 | Klondike Investments, Inc. | Paola, KS 66071 | Oil Operator | Sep 2011 |
| 92 | Kramer Oil Field Service Inc | Wellsville, KS 66092 | Oil Operator | May 2019 |
| 93 | L & A Energy LP | | Oil Operator | Dec 2025 |
| 94 | L & P Enterprises, LLC | Paola, KS 66071 | Oil Operator | Dec 2025 |
| 95 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 96 | Layton Glenn F J | | Oil Operator | Mar 1986 |
| 97 | Leach, Elwood | Osawatomie, KS 66064 | Oil Operator | Dec 2009 |
| 98 | Leis, VIctor J. | Paola, KS 66071 | Oil & Gas Operator | Dec 2025 |
| 99 | Logsdon Richard | | Oil Operator | Mar 1988 |
| 100 | Lone Wolf Oil LLC | Wellsville, KS 66092 | Oil Operator | Dec 2009 |