| 1 | Altavista Energy, Inc. | Wellsville, KS 66092 | Oil Operator | Sep 2025 |
| 2 | BG-5, Inc. | Rantoul, KS 66079 | Oil Operator | Sep 2025 |
| 3 | Bills Oil Compan | | Oil & Gas Operator | Jul 1995 |
| 4 | Birk Edward E | | Oil Operator | Dec 2009 |
| 5 | Birk Petroleum | | Oil Operator | Sep 2025 |
| 6 | Birk, Darrin L. | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 7 | Birk, Linda | Burlington, KS 66839 | Oil Operator | Sep 2025 |
| 8 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 9 | Brunson Producti | | Oil & Gas Operator | Aug 1993 |
| 10 | Burris Energy LLC | Burlington, KS 66839 | Oil & Gas Operator | Sep 2016 |
| 11 | C & S Oil | | Oil Operator | Dec 2019 |
| 12 | C3oil, LLC | New Strawn, KS 66839 | Oil Operator | Sep 2025 |
| 13 | Chriestenson Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Sep 2025 |
| 14 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Sep 2025 |
| 15 | Crane Edward | | Oil Operator | Feb 1995 |
| 16 | D. E. Exploration, Inc. | Wellsville, KS 66092 | Oil & Gas Operator | Sep 2025 |
| 17 | Development Ener | | Oil Operator | Dec 1994 |
| 18 | Erbert, Harold | Iola, KS 66749 | Oil Operator | Dec 1992 |
| 19 | Evans Oil D W - | | Oil Operator | Mar 1992 |
| 20 | Evans Oil Inc. | Lebo, KS 66856 | Oil Operator | Sep 2025 |
| 21 | French & Winters | | Oil Operator | Feb 1994 |
| 22 | French R E Oil C | | Oil Operator | Feb 1994 |
| 23 | George, Mark | Leroy, KS 66857 | Oil Operator | Sep 2025 |
| 24 | Glacier Petroleu | | Oil & Gas Operator | Nov 1995 |
| 25 | Graham, Lowell H. | Le Roy, KS 66857 | Oil Operator | Sep 2025 |
| 26 | Haas Petroleum LLC | Prairie VIllage, KS 66208 | Oil Operator | Sep 2025 |
| 27 | Haas, Mark L. | Kansas City, MO 67112 | Oil Operator | Feb 2013 |
| 28 | Harcon Energy, LLC | Le Roy, KS 66857 | Oil Operator | Dec 2009 |
| 29 | Hodges, Dennis D. And Peggy D. | Reading, KS 66868 | Oil Operator | Sep 2025 |
| 30 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Sep 2025 |
| 31 | Jones, Stephen C. | Broken Arrow, OK 74011 | Oil & Gas Operator | Jun 2018 |
| 32 | Kanaco Oil Company | | Oil Operator | Apr 2025 |
| 33 | Kansas Crude Resources, LLC | | Oil Operator | Sep 2025 |
| 34 | Kansas Oil, LLC | | Oil Operator | Sep 2025 |
| 35 | Kema Oil Company, Inc. | Lebo, KS 66856 | Oil Operator | Sep 2025 |
| 36 | Kenneth & Regina Laymon, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2019 |
| 37 | Kraft Oil Compan | | Oil Operator | Nov 1994 |
| 38 | Kraft Oil Company LLC | Gridley, KS 66852 | Oil Operator | Sep 2025 |
| 39 | Lancer Oil, Inc. | Piqua, KS 66761 | Oil Operator | May 2005 |
| 40 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 41 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 42 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Sep 2025 |
| 43 | Lincoln 77 Inc | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 44 | McCarty Francis | | Oil Operator | Sep 1993 |
| 45 | McClure M C Oil | | Oil Operator | Jul 1984 |
| 46 | Moore, Douglas L. | Gridley, KS 66852 | Oil Operator | Jan 2019 |
| 47 | Morris Everett E | | Oil & Gas Operator | Feb 1991 |
| 48 | N & B Enterprise | | Oil Operator | Nov 1994 |
| 49 | Osage Resources, LLC | Wichita, KS 67202 | Oil & Gas Operator | May 2025 |
| 50 | Owens Oil Company, LLC | Yates Center, KS 66783 | Oil Operator | Sep 2025 |
| 51 | Owens Petroleum LLC | Yates Center, KS 66783 | Oil & Gas Operator | Sep 2025 |
| 52 | Petrol Oil & Gas, Inc. | Overland Park, KS 66210 | Oil & Gas Operator | Dec 2008 |
| 53 | Pieratt, Ralph | Burlington, KS 66839 | Oil Operator | Aug 1987 |
| 54 | Production Drilling, Inc. | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 55 | Quest Development Co. | | Oil Operator | Sep 2025 |
| 56 | R - J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 57 | Red Bear Drillin | | Oil & Gas Operator | Sep 1992 |
| 58 | Reliance Oil, LLC | Gridley, KS 66852 | Oil Operator | Sep 2025 |
| 59 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Sep 2025 |
| 60 | Rolfe & Rolfe Oi | | Oil Operator | May 1988 |
| 61 | Ron-Bob Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Sep 2025 |
| 62 | Schindler Oil | | Oil Operator | Dec 2009 |
| 63 | Schindler Oil, LLC | Madison, KS 66860 | Oil Operator | Sep 2025 |
| 64 | Six-D Exploration, LLC | Hutchinson, KS 67502 | Oil Operator | Apr 2025 |
| 65 | Southwind Exploration, LLC | Venice, FL 34293 | Oil & Gas Operator | Sep 2003 |
| 66 | Stice Oil Company | | Oil Operator | Jul 2025 |
| 67 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 68 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Sep 2025 |
| 69 | Vanderman Oil | Neosho Falls, KS 66758 | Oil Operator | Feb 2006 |
| 70 | Vulcan Resources, LLC | Skiatook, OK 74070 | Oil Operator | Mar 2024 |
| 71 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Sep 2025 |
| 72 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 73 | Williams, Paul M. And/Or Judy A. | Leroy, KS 66857 | Oil Operator | Nov 2018 |
| 74 | Yocham Oil Company | | Oil Operator | Sep 2025 |
| 75 | Zlab, Adolph | Yates Center, KS 66783 | Oil Operator | Jul 1997 |