| 1 | Abercrombie Energy, LLC | Wichita, KS 67212 | Oil & Gas Operator | Jun 2025 |
| 2 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Aug 2025 |
| 3 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Dec 2025 |
| 4 | Banks Oil - Lee | | Oil & Gas Operator | Jun 1995 |
| 5 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2025 |
| 6 | Benson Mineral G | | Oil & Gas Operator | Dec 1995 |
| 7 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 8 | Blue Goose Drilling Company, Inc. | Great Bend, KS 67530 | Oil Operator | Jun 2025 |
| 9 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Jun 2025 |
| 10 | Bolding Grady Co | | Oil & Gas Operator | Nov 1995 |
| 11 | C G Oil, Inc. | Victoria, KS 67671 | Oil Operator | Jun 2025 |
| 12 | Canaday Oil Corp | Goddard, KS 67052 | Oil & Gas Operator | Jun 2025 |
| 13 | Carmen Schmitt, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jun 2025 |
| 14 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Oct 2025 |
| 15 | Chesapeake Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2025 |
| 16 | Cinco Exploratio | | Oil & Gas Operator | Jan 1988 |
| 17 | Cincris Energy C | | Oil & Gas Operator | Jun 1991 |
| 18 | Coastal Oil & Ga | | Oil & Gas Operator | Oct 1996 |
| 19 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 20 | Condor Energy | | Oil Operator | Aug 1995 |
| 21 | Condor Petroleum | | Oil & Gas Operator | Nov 1990 |
| 22 | Cross Bar Petroleum, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Jun 2016 |
| 23 | Davis Petroleum | | Oil & Gas Operator | Dec 1996 |
| 24 | Daystar Petroleum Inc | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 |
| 25 | Delhi Pipeline | | Oil & Gas Operator | Sep 1999 |
| 26 | Destiny Services LLC | Pratt, KS 67124 | Oil & Gas Operator | Jan 2024 |
| 27 | Eck Petroleum LLC | Kingman, KS 67068 | Oil Operator | Nov 2019 |
| 28 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 29 | Elk Energy Holdings LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 30 | Gary-Williams Co (The) | Denver, CO 80202 | Oil Operator | Nov 2009 |
| 31 | Gary-Williams Oi | | Oil & Gas Operator | Jun 1989 |
| 32 | Gerstner, Joe | Ness City, KS 67560 | Oil Operator | Mar 2016 |
| 33 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 34 | Halliburton Oil | | Oil & Gas Operator | Sep 2008 |
| 35 | Harper Oil And Gas, LLC | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 36 | Herman L. Loeb LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 |
| 37 | Hinkle Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 38 | Hoppe Oil & Gas | | Oil Operator | Nov 1992 |
| 39 | Imperial Oil Com | | Oil & Gas Operator | Dec 1992 |
| 40 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 41 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Dec 2025 |
| 42 | Indiek, John | Offerle, KS 67563 | Oil Operator | Nov 2005 |
| 43 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 44 | Marathon Oil Com | | Oil & Gas Operator | Dec 1996 |
| 45 | McCoy Petroleum Corporation | Wichita, KS 67207 | Oil & Gas Operator | Oct 2025 |
| 46 | Merit Energy Company, LLC | Dallas, TX 75009 | Oil & Gas Operator | Jun 2025 |
| 47 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 48 | Murfin Drilling Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Oct 2025 |
| 49 | Oil Producers, Inc. Of Kansas | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 50 | Oneok Exploratio | | Oil & Gas Operator | Mar 1995 |
| 51 | Oxford Explorati | | Oil & Gas Operator | Mar 1993 |
| 52 | Parrish Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 53 | Patterson Energy LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 54 | Pickrell Drilling Co., Inc. | Wichita, KS 67213 | Oil & Gas Operator | Jun 2025 |
| 55 | Pintail Petroleu | | Oil & Gas Operator | Dec 1995 |
| 56 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 57 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 58 | Pratt Well Service, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 59 | Quail Oil & Gas LC | Garden City, KS 67846 | Oil & Gas Operator | Sep 2025 |
| 60 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 61 | Redland Resources LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | Sep 2025 |
| 62 | Richardson J Mar | | Oil & Gas Operator | Apr 1995 |
| 63 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
| 64 | Sabre Exploratio | | Oil Operator | Oct 1988 |
| 65 | Salt Creek Production, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Dec 2025 |
| 66 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Dec 2025 |
| 67 | Schulein Robert | | Oil & Gas Operator | Dec 1995 |
| 68 | Seagull Operatin | | Oil & Gas Operator | Jul 1995 |
| 69 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 70 | Siroky Oil Management | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 71 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 72 | Swift Energy Com | | Oil & Gas Operator | Sep 1995 |
| 73 | Thoroughbred Associates LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 74 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
| 75 | Tko Investments, Inc. | Dodge City, KS 67801 | Oil & Gas Operator | Jun 2025 |
| 76 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 77 | Union Pacific Re | | Oil & Gas Operator | Dec 1996 |
| 78 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2023 |
| 79 | Val Energy, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 80 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 81 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 82 | Vintage Petroleum | | Oil & Gas Operator | Feb 2003 |
| 83 | Wells Energy Com | | Oil & Gas Operator | Mar 1994 |
| 84 | Woolsey Operating Company, LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 85 | Zinszer Oil Co., Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |