| 1 | American Energy | Abilene, TX 79604 | Oil & Gas Operator | Jul 2004 |
| 2 | Arbuckle Service | Iola, KS 66749 | Oil Operator | Feb 1993 |
| 3 | B & B Oil Recovery | | Oil Operator | Dec 2025 |
| 4 | B & D Oil, LLC | Welda, KS 66091 | Oil Operator | Dec 2025 |
| 5 | Ballou Oil Well Service | | Oil Operator | Dec 2025 |
| 6 | Barnes, L.- Oil Company | | Oil Operator | Jan 2014 |
| 7 | Bauer Oil Investment LLC | Cleveland, MO 64734 | Oil Operator | Dec 2025 |
| 8 | Birk Edward E | | Oil Operator | Dec 2009 |
| 9 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 10 | Boots Oil, Inc. | Welda, KS 66091 | Oil Operator | Aug 2000 |
| 11 | Brant Energy LLC | Rantoul, KS 66079 | Oil Operator | Apr 2022 |
| 12 | Brecheisen Oil C | | Oil & Gas Operator | Sep 1993 |
| 13 | C & R Well Servi | | Oil Operator | Sep 1996 |
| 14 | C & R Well Service, A General Partnership | Garnett, KS 66032 | Oil Operator | Dec 2009 |
| 15 | C & S Oil Company | Odessa, TX 79763 | Oil & Gas Operator | Nov 2019 |
| 16 | Caldwell Entr In | | Oil Operator | Dec 1993 |
| 17 | Chevron U S A In | | Oil & Gas Operator | Sep 2000 |
| 18 | Christian Operating Company | Cypress, TX 77429 | Oil & Gas Operator | Dec 2014 |
| 19 | Cleaver Loraine | | Oil Operator | Dec 1996 |
| 20 | Coastal Oil & Ga | | Oil & Gas Operator | Oct 1996 |
| 21 | Coen Energy | | Oil Operator | Mar 1995 |
| 22 | Colt Energy Inc | Iola, KS 66749 | Oil & Gas Operator | Dec 2025 |
| 23 | Colt Energy Inco | | Oil & Gas Operator | Dec 1996 |
| 24 | Colt Oil Company | Andrews, TX 79714 | Oil & Gas Operator | Feb 1996 |
| 25 | Conley, Harry | Colony, KS 66015 | Oil Operator | Nov 2025 |
| 26 | Cris Oil | | Oil Operator | Nov 2025 |
| 27 | Cross And Cross | Overland Park, KS 66214 | Oil Operator | Sep 1997 |
| 28 | D & Z Exploration, Inc. | St Elmo, IL 62458 | Oil Operator | Dec 2025 |
| 29 | Derrick Petroleu | | Oil Operator | Sep 1994 |
| 30 | Duke Oil LLC | Garnett, KS 66032 | Oil Operator | Dec 2025 |
| 31 | E O R Petroleum | | Oil Operator | Oct 1987 |
| 32 | Evans Well Service | | Oil Operator | Oct 2013 |
| 33 | G And D Oil Company | Welda, KS 66091 | Oil Operator | Nov 1997 |
| 34 | Gary C. Splane | Chanute, KS 66720 | Oil Operator | Dec 2009 |
| 35 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Dec 2025 |
| 36 | Haas Petroleum LLC | Prairie VIllage, KS 66208 | Oil Operator | Dec 2025 |
| 37 | Hodges Oil | | Oil Operator | Dec 2025 |
| 38 | Hunt Oil, LLC | Garnett, KS 66032 | Oil Operator | Nov 2025 |
| 39 | Iantha Resources LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 40 | J & M Production | Luling, TX 78648 | Oil & Gas Operator | Nov 2019 |
| 41 | J C B Resources | | Oil Operator | Apr 1990 |
| 42 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 43 | Jaxco Energy, A General Partnership | Garnett, KS 66032 | Oil Operator | Dec 2025 |
| 44 | JGK Oil, Inc. | Chanute, KS 66720 | Oil Operator | Aug 1998 |
| 45 | JRC Oil Company | Garnett, KS 66032 | Oil Operator | Dec 2025 |
| 46 | JTC Oil Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 47 | Kent, Cameron J | Garnett, KS 66032 | Oil Operator | Dec 2025 |
| 48 | Kent, VInce J | Garnett, KS 66032 | Oil Operator | Oct 2002 |
| 49 | King Oil, Inc. | Jetmore, KS 67854 | Oil Operator | Nov 2025 |
| 50 | Kittle Oil | | Oil Operator | Nov 2025 |
| 51 | Kottwitz Oil Co., A General Partnership | | Oil Operator | Jul 2019 |
| 52 | L & B Crude, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2019 |
| 53 | Ladd Petroleum C | | Oil & Gas Operator | Sep 1989 |
| 54 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 55 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 56 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Dec 2025 |
| 57 | Lone Jack Oil Co. | | Oil Operator | Dec 2025 |
| 58 | M & M Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Dec 2025 |
| 59 | M.A.E. Resources, Inc. | Parker, KS 66072 | Oil Operator | Sep 2011 |
| 60 | Martin Oil Properties | | Oil Operator | Dec 2009 |
| 61 | McFadden Oil Co. | | Oil Operator | Dec 2025 |
| 62 | McGown Drilling, Inc. | Mound City, KS 66056 | Oil Operator | Dec 2025 |
| 63 | Miller Energy, LLC | Garnett, KS 66032 | Oil Operator | Nov 2019 |
| 64 | Nuss Oil Operations | | Oil & Gas Operator | Aug 1998 |
| 65 | Oaks Petroleum I | | Oil Operator | Jul 1987 |
| 66 | Petro 85 Incorpo | | Oil Operator | Mar 1993 |
| 67 | Phoenix Kansas Energy, LLC | Chanute, KS 66720 | Oil Operator | Aug 2003 |
| 68 | Quad Operating, LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 69 | R - J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 70 | R.T. Enterprises Of Kansas, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2025 |
| 71 | Rama Operating Company Inc | Stafford, KS 67578 | Oil & Gas Operator | Feb 2026 |
| 72 | Red Bear Drillin | | Oil & Gas Operator | Sep 1992 |
| 73 | Reese Exploratio | | Oil & Gas Operator | Mar 1995 |
| 74 | Richard Engineer | | Oil Operator | Mar 1991 |
| 75 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Dec 2025 |
| 76 | Roberta Hutton/Robert Hutton | Iola, KS 66749 | Oil Operator | Oct 2007 |
| 77 | Russell James E | | Oil Operator | Apr 1994 |
| 78 | Sag Oil Company LLC | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 79 | Scheuneman, Lester | Ridgeway, MO 64481 | Oil Operator | May 2019 |
| 80 | Schulte Oil - C | | Oil Operator | Dec 1989 |
| 81 | Sirius Energy Corp. | Abilene, TX 79606 | Oil Operator | Dec 2009 |
| 82 | Southern Star Central Gas Pipeline Inc | Owensboro, KY 42301 | Oil & Gas Operator | Jan 2026 |
| 83 | Specht Oil | Iola, KS 66749 | Oil Operator | Mar 1998 |
| 84 | T.C.G. Oil Co. | Iola, KS 66749 | Oil Operator | Sep 2009 |
| 85 | T.C.G. Oil Co., A General Partnership | Laharpe, KS 66755 | Oil Operator | Aug 2009 |
| 86 | Tailwater, Inc. | Oklahoma City, OK 73154 | Oil Operator | Aug 2024 |
| 87 | Teko Oil & Gas I | | Oil Operator | Aug 1992 |
| 88 | Three D Resources Inc | Liberal, KS 67905 | Oil & Gas Operator | Dec 2025 |
| 89 | Town Oil Co. | Paola, KS 66071 | Oil & Gas Operator | Dec 2025 |
| 90 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 91 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2026 |
| 92 | Viva International, Inc. | Overland Park, KS 66207 | Oil Operator | Jun 2023 |
| 93 | Westport Petrole | | Oil Operator | Feb 1985 |
| 94 | William G Smith Oil, LLC | Osawatomie, KS 66064 | Oil Operator | Apr 2014 |
| 95 | Williams Gas Pipeline Central, Inc. | Shawnee Mission, KS 66215 | Oil Operator | Sep 2010 |
| 96 | Womelsdorf Oil | Welda, KS 66091 | Oil Operator | Apr 1999 |
| 97 | Yocham Oil Company | | Oil Operator | Dec 2025 |
| 98 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Sep 2025 |