| 101 | J M K Incorporat | | Oil & Gas Operator | Dec 1996 |
| 102 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 103 | Jackson, Brian & Janet | Elsmore, KS 66732 | Oil Operator | Jun 2025 |
| 104 | Jaguar Petroleum | | Oil Operator | Jul 1994 |
| 105 | Jaxco Energy, A General Partnership | Garnett, KS 66032 | Oil Operator | Feb 2026 |
| 106 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Feb 2026 |
| 107 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 108 | Kan-Texco Incorp | | Oil & Gas Operator | Dec 1994 |
| 109 | Kerr Oil, LLC | Iola, KS 66749 | Oil Operator | Dec 2009 |
| 110 | Keys, Gerald Oil Production & Explor. | Humboldt, KS 66748 | Oil Operator | Mar 1999 |
| 111 | Kimzey Drilling | | Oil Operator | Nov 2009 |
| 112 | King Energy Co. | | Oil Operator | Nov 2019 |
| 113 | King Energy Comp | | Oil Operator | Dec 1996 |
| 114 | Krehbiel Oil Com | | Oil & Gas Operator | Mar 1995 |
| 115 | L & G Petroleum Operating, LLC | Havana, KS 67347 | Oil Operator | Feb 2026 |
| 116 | L & H Energy Inc | Cherryvale, KS 67335 | Oil & Gas Operator | Sep 2019 |
| 117 | L H Energy Incor | | Oil Operator | Dec 1991 |
| 118 | L.L. Oil Company | Freer, TX 78357 | Oil & Gas Operator | Jun 2026 |
| 119 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 120 | Larson Buford | | Oil Operator | May 2006 |
| 121 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Feb 2026 |
| 122 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 123 | Lee Donna Oil Co | | Oil & Gas Operator | Dec 1996 |
| 124 | Leedy Oil Produc | | Oil & Gas Operator | Dec 1995 |
| 125 | Leis Oil Services, LLC | Yates Center, KS 66783 | Oil Operator | Jul 2023 |
| 126 | Leis, John E. | Yates Center, KS 66783 | Oil Operator | Feb 2026 |
| 127 | Leis, VIctor J. | Paola, KS 66071 | Oil & Gas Operator | Feb 2026 |
| 128 | Levi Oil Company | Wichita, KS 67218 | Oil & Gas Operator | Nov 1993 |
| 129 | Lincoln 77 Inc | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 130 | Lion Oil Company | Chanute, KS 66720 | Oil Operator | Dec 1986 |
| 131 | Little Joe'S Oil Company | | Oil Operator | Jul 2020 |
| 132 | Lone Jack Oil Co. | | Oil Operator | Feb 2026 |
| 133 | Long Shot Oil Co. | | Oil Operator | Aug 1997 |
| 134 | Lyons, Clarence Jr. | Chanute, KS 66720 | Oil Operator | Dec 2025 |
| 135 | M & C Oil Incorp | | Oil Operator | Mar 1995 |
| 136 | M H Oil & Gas | Chanute, KS 66720 | Oil & Gas Operator | Aug 1998 |
| 137 | M.A.E. Resources, Inc. | Parker, KS 66072 | Oil Operator | Sep 2011 |
| 138 | Macha Enterprises, Inc. | Wichita Falls, TX 76309 | Oil Operator | Jun 2026 |
| 139 | Markan Oil Incor | | Oil Operator | Mar 1991 |
| 140 | Marshall Lew L O | | Oil Operator | Jun 1994 |
| 141 | Marshall Oil LLC | Eureka, KS 67045 | Oil Operator | Feb 2026 |
| 142 | Maxam Incorporat | | Oil Operator | Jun 1991 |
| 143 | McCarty Francis | | Oil Operator | Sep 1993 |
| 144 | McClelland Oil - | | Oil Operator | Dec 2009 |
| 145 | McCoy, Jon | Erie, KS 66733 | Oil Operator | Dec 2025 |
| 146 | McFadden Oil Co. | | Oil Operator | Feb 2026 |
| 147 | McGown Drilling, Inc. | Mound City, KS 66056 | Oil Operator | Feb 2026 |
| 148 | Merit Energy Company, LLC | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |
| 149 | Metro Energy, Inc. | Gladstone, MO 64118 | Oil Operator | May 1997 |
| 150 | Mico Oil & Gas | Paola, KS 66071 | Oil Operator | Aug 1995 |
| 151 | Micro Oil, LLC | Casa Grande, AZ 85193 | Oil Operator | Nov 2024 |
| 152 | Midnight Well Se | | Oil Operator | Sep 1994 |
| 153 | Midwestern Exploration Company | Edmond, OK 73013 | Oil & Gas Operator | May 2025 |
| 154 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 155 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 156 | Monarch Energy LLC | Paola, KS 66071 | Oil Operator | Feb 2026 |
| 157 | Monfort, Roy C. | Iola, KS 66749 | Oil & Gas Operator | Sep 1989 |
| 158 | MSG Resources Inc. | Iola, KS 66749 | Oil Operator | Feb 2026 |
| 159 | Mueller Oil | | Oil Operator | Dec 2025 |
| 160 | Multiplex Resources, Inc. | Baytown, TX 77521 | Oil Operator | Dec 2009 |
| 161 | N & B Enterprise | | Oil Operator | Nov 1994 |
| 162 | N & B Enterprises, Inc. | Iola, KS 66749 | Oil & Gas Operator | Feb 2026 |
| 163 | N & P Enterprises | | Oil Operator | May 1997 |
| 164 | Nataraja Oil Corporation | Foley, AL 36535 | Oil Operator | Aug 2010 |
| 165 | NC Oil Company, Inc. | Humboldt, KS 66748 | Oil Operator | Feb 2026 |
| 166 | Nordmeyer Oil, Inc. | Toronto, KS 66777 | Oil Operator | Dec 2019 |
| 167 | Norstar Petroleu | | Oil & Gas Operator | Dec 1996 |
| 168 | Osage Energy, LLC | Colony, KS 66015 | Oil Operator | Nov 2025 |
| 169 | Owens Oil | | Oil Operator | Dec 2000 |
| 170 | Owens Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Sep 2008 |
| 171 | Owens Oil Company, LLC | Yates Center, KS 66783 | Oil Operator | Feb 2026 |
| 172 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Jun 2026 |
| 173 | Parrish Corporat | | Oil & Gas Operator | Oct 1994 |
| 174 | Patrick Development Corporation | Leawood, KS 66206 | Oil Operator | Feb 2026 |
| 175 | Pennine Resc Inc | | Oil Operator | Sep 1992 |
| 176 | Petrik Oil | Bartlesville, OK 74006 | Oil Operator | Nov 1996 |
| 177 | Petrik Oil - Jim | | Oil Operator | Apr 1995 |
| 178 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Feb 2026 |
| 179 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2026 |
| 180 | Prairie Oil Inco | | Oil Operator | Jan 1986 |
| 181 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 182 | Quest Development Co. | | Oil Operator | Feb 2026 |
| 183 | R - J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 184 | RCS Oil | | Oil Operator | Feb 2026 |
| 185 | Redbud Oil & Gas Operating, LLC | Spring, TX 77379 | Oil & Gas Operator | Feb 2026 |
| 186 | Reese Exploratio | | Oil & Gas Operator | Mar 1995 |
| 187 | Richard Oil Comp | | Oil Operator | Mar 1992 |
| 188 | Ritchie, A. Scott | Wichita, KS 67202 | Oil Operator | Mar 1988 |
| 189 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 190 | RJ Energy, LLC | Garnett, KS 66032 | Oil Operator | Feb 2026 |
| 191 | Rocky Road Oil Company | | Oil Operator | Jan 2026 |
| 192 | Rodriguez, Everado | Paola, KS 66071 | Oil Operator | Mar 2021 |
| 193 | Rogers Oil Co. | Bronson, KS 66716 | Oil & Gas Operator | Sep 1995 |
| 194 | Ron-Bob Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Feb 2026 |
| 195 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 196 | Running Foxes Petroleum Inc. | Centennial, CO 80112 | Oil & Gas Operator | Feb 2026 |
| 197 | Russell James E | | Oil Operator | Apr 1994 |
| 198 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 199 | Scheuneman, Lester | Ridgeway, MO 64481 | Oil Operator | May 2019 |
| 200 | SCZ Resources, LLC | Houston, TX 77055 | Oil Operator | Feb 2026 |