| 1 | A X & P, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2015 |
| 2 | A. R. & R., LTD. | Bartlesville, OK 74006 | Oil & Gas Operator | Sep 2025 |
| 3 | Abderhalden, R. R. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 4 | Ajax Oil & Gas C | | Oil & Gas Operator | Jun 1989 |
| 5 | Allied Oil Compa | | Oil & Gas Operator | Feb 1995 |
| 6 | Arbuckle, A. Dale | Grenola, KS 67346 | Oil Operator | Sep 1990 |
| 7 | Arbuckle, A. Dale & Kathryn E. Rev Trust | Grenola, KS 67346 | Oil & Gas Operator | May 2024 |
| 8 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | Dec 2025 |
| 9 | B S &B Oil & Gas | | Oil Operator | Dec 1992 |
| 10 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Sep 2025 |
| 11 | Berentz Drilling Co., Inc. | Wichita, KS 67278 | Oil Operator | Sep 2025 |
| 12 | Birk Edward E | | Oil Operator | Dec 2009 |
| 13 | Birk, Darrin L. | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 14 | Birk, Linda | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 15 | Blanchard, Joe, Jr. | Houma, LA 70360 | Oil Operator | Sep 1989 |
| 16 | BR Corporation | Independence, KS 67301 | Gas Operator | Feb 2003 |
| 17 | Brundred Petrole | | Oil Operator | Apr 1986 |
| 18 | Bruner, Alan | Moline, KS 67353 | Oil Operator | Jun 2003 |
| 19 | Brunson Producti | | Oil & Gas Operator | Aug 1993 |
| 20 | Burnett Corporat | | Oil & Gas Operator | Oct 1993 |
| 21 | C & C Oil | | Oil & Gas Operator | Jan 2004 |
| 22 | C & E Oil, LLC | Grenola, KS 67346 | Oil Operator | Nov 2021 |
| 23 | Cannon Oil Co. | | Oil Operator | Dec 2009 |
| 24 | Carlin Oil & Gas | | Oil Operator | Jan 1994 |
| 25 | Carter, Eugene J. | Longton, KS 67352 | Oil Operator | Jan 1998 |
| 26 | Cherokee Wells LLC | Fredonia, KS 66736 | Oil & Gas Operator | Sep 2025 |
| 27 | Cleaver Loraine | | Oil Operator | Dec 1996 |
| 28 | Cody, Ken L. | Longton, KS 67352 | Oil & Gas Operator | Sep 2025 |
| 29 | Cody, Nancy M. | Fredonia, KS 66736 | Oil Operator | Jun 1998 |
| 30 | Colonial Corporation | St Simons Island, GA 31522 | Oil & Gas Operator | Dec 2000 |
| 31 | Conner, Rick | Winfield, KS 67156 | Oil Operator | Aug 2019 |
| 32 | Coronado Kansas, LLC | Tulsa, OK 74133 | Oil Operator | Oct 2009 |
| 33 | Criger Oil Compa | | Oil Operator | Sep 1992 |
| 34 | Criteria Petrole | | Oil Operator | Sep 1996 |
| 35 | CTR 247 LLC | Peru, KS 67360 | Oil Operator | Jul 2025 |
| 36 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 37 | Daystar Petroleum Inc | Eureka, KS 67045 | Oil & Gas Operator | Sep 2025 |
| 38 | Devonian Oil Com | | Oil Operator | Dec 1996 |
| 39 | Dixon, Margaret | Moline, KS 67353 | Oil Operator | Dec 2009 |
| 40 | Dixon, Mike | Moline, KS 67353 | Oil Operator | Sep 2025 |
| 41 | Dixon, Robin Francine | Moline, KS 67353 | Oil Operator | Sep 2025 |
| 42 | Double Ten Petro | | Oil Operator | Jul 1994 |
| 43 | Dunbar & Son Oil | | Oil & Gas Operator | Oct 1988 |
| 44 | Durbin, Ronald R. | Moline, KS 67353 | Oil Operator | Dec 1988 |
| 45 | Dyer, Charles Wilbur | Longton, KS 67352 | Oil Operator | Jul 2025 |
| 46 | Eagle Oil, LLC | Moline, KS 67353 | Oil Operator | Oct 2016 |
| 47 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 48 | Entransco Energy LLC | Dewey, OK 74029 | Oil & Gas Operator | Oct 2024 |
| 49 | General Petroleu | | Oil Operator | Nov 1988 |
| 50 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 51 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 52 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 53 | Gross William R | | Oil Operator | Feb 1986 |
| 54 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Aug 2025 |
| 55 | Hiebert & Wedel | | Oil & Gas Operator | May 1995 |
| 56 | Holt, Roger | Cherryvale, KS 67335 | Gas Operator | Mar 2003 |
| 57 | Hoppe Oil & Gas | | Oil Operator | Nov 1992 |
| 58 | Hoppe Oil & Gas Co., Inc. | Wichita, KS 67202 | Oil Operator | Jul 1998 |
| 59 | Jones, Robert D. | Longton, KS 67352 | Oil & Gas Operator | Dec 1991 |
| 60 | Jones, William A. | Longton, KS 67352 | Oil Operator | Aug 1993 |
| 61 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Sep 2025 |
| 62 | Katana Resources | | Oil & Gas Operator | Aug 1984 |
| 63 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 64 | Kloberdanz Paul | | Gas Operator | Apr 1991 |
| 65 | Knife River Oil, LLC | Bull Shoals, AR 72619 | Oil Operator | Feb 2017 |
| 66 | KPR Incorporated | | Oil & Gas Operator | Nov 1988 |
| 67 | L & H Energy Inc | Cherryvale, KS 67335 | Oil & Gas Operator | Sep 2019 |
| 68 | L H Energy Incor | | Oil Operator | Dec 1991 |
| 69 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 70 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Feb 2025 |
| 71 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 72 | Lone Wolf Oil & Gas Co., LLC | Moline, KS 67353 | Oil & Gas Operator | Sep 2025 |
| 73 | Longton Explorat | | Oil & Gas Operator | Jul 1993 |
| 74 | Longton Explorations | | Oil & Gas Operator | Aug 2025 |
| 75 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2025 |
| 76 | Mariah Exploration LLC | Pawhuska, OK 74056 | Oil & Gas Operator | Oct 2008 |
| 77 | Marjo Incorporat | | Oil & Gas Operator | Jun 1990 |
| 78 | Masek Oil Compan | | Oil Operator | Feb 1984 |
| 79 | Maxcrude, LLC | Winfield, KS 67156 | Oil & Gas Operator | Sep 2025 |
| 80 | McCann Drilling | | Oil & Gas Operator | Oct 1996 |
| 81 | McCann Drilling, Inc. | Bartlesville, OK 74003 | Oil Operator | Mar 2011 |
| 82 | Metro Oil Compan | | Oil Operator | Jan 1991 |
| 83 | Meyer Douglas P | Longmont, CO 80501 | Oil & Gas Operator | Aug 2006 |
| 84 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 85 | Morrow, Joe | Farmington, NM 87401 | Oil Operator | Jan 1993 |
| 86 | Murfin Drilling Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2025 |
| 87 | Noah, Calvin | Valley Center, KS 67147 | Oil Operator | Oct 2010 |
| 88 | Oil Property Man | | Oil & Gas Operator | Jun 1995 |
| 89 | Oxbow Oil Company,A Kansas General Partnership | Grenola, KS 67346 | Oil Operator | Apr 2015 |
| 90 | P & C Petroleum, LLC | Shawnee, KS 66226 | Oil Operator | Aug 2025 |
| 91 | Patteson Brother | | Oil Operator | Feb 1990 |
| 92 | Patteson Oil | | Oil Operator | Dec 2009 |
| 93 | Patteson Oil, A General Partnership | Moline, KS 67353 | Oil Operator | Nov 2019 |
| 94 | Patteson, Thomas Wade | Moline, KS 67353 | Oil Operator | Sep 2025 |
| 95 | Patteson-Sheel O | | Oil Operator | Oct 1990 |
| 96 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 97 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Sep 2025 |
| 98 | Petroleum Enterp | | Oil & Gas Operator | Sep 1995 |
| 99 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Dec 2025 |
| 100 | Phil Groves Oil | | Oil & Gas Operator | Sep 2025 |