| 101 | G & J Oil Company, Inc. | Caney, KS 67333 | Oil & Gas Operator | Dec 2025 |
| 102 | G & M Well Seriv | | Oil Operator | Nov 1995 |
| 103 | Gateway Resources USA Inc | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 2026 |
| 104 | Gator Oil Compan | | Oil Operator | May 1992 |
| 105 | Gerstenkorn Oil Production, A General Partnership | Independence, KS 67301 | Oil Operator | Sep 2025 |
| 106 | Gillman, John | Independence, KS 67301 | Oil Operator | Sep 2007 |
| 107 | Glen J. Oil Company | Independence, KS 67301 | Oil Operator | Jul 1997 |
| 108 | Great Eastern En | | Oil & Gas Operator | Nov 1995 |
| 109 | Great Eastern Energy & Dev. Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 110 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 111 | H & H Oil Company | | Oil & Gas Operator | Dec 2025 |
| 112 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 113 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 114 | H & W Oil Corpor | | Oil Operator | Dec 1996 |
| 115 | Hackley Okla Inc | | Oil & Gas Operator | Aug 1992 |
| 116 | Hafer Run Enterprise | Independence, KS 67301 | Oil Operator | Oct 1997 |
| 117 | Hardin Oil Co. | | Oil Operator | Dec 2019 |
| 118 | Harper Oil Co. | Denver, CO 80217 | Oil & Gas Operator | Dec 2025 |
| 119 | Hawkins Oil & Ga | | Oil & Gas Operator | Jun 1995 |
| 120 | Heller Phillip & Charlene | Columbia, MO 65201 | Oil & Gas Operator | Feb 2026 |
| 121 | Hiebert & Wedel | | Oil & Gas Operator | May 1995 |
| 122 | Higgins Oil & Ga | | Oil Operator | Apr 1992 |
| 123 | Holt, Carol | Independence, KS 67301 | Oil Operator | Jul 2025 |
| 124 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 125 | Horton Oil Company | Independence, KS 67301 | Oil & Gas Operator | Jul 2000 |
| 126 | Horton, Jack | Independence, KS 67301 | Oil & Gas Operator | Aug 2015 |
| 127 | Horton, John | Sedan, KS 67361 | Oil & Gas Operator | Dec 2025 |
| 128 | Housel John R Jr | | Oil Operator | Oct 1994 |
| 129 | Housel, Robert E. | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2003 |
| 130 | Igwt, Inc. | Rose Hill, KS 67133 | Oil & Gas Operator | Dec 2025 |
| 131 | Independence Energy LLC | | Oil Operator | Dec 2025 |
| 132 | Inlan Oceans, LLC | Coffeyville, KS 67337 | Oil Operator | Oct 2025 |
| 133 | Intrepid Energy Corporation | Independence, KS 67301 | Oil Operator | Mar 2016 |
| 134 | Isle, Michael D. | Coffeyville, KS 67337 | Gas Operator | Nov 2025 |
| 135 | J E B Oil Resear | | Oil & Gas Operator | Nov 1993 |
| 136 | J M K Incorporat | | Oil & Gas Operator | Dec 1996 |
| 137 | J. D. & M., Inc. | Cherryvale, KS 67335 | Oil Operator | Dec 2025 |
| 138 | Jackknife Oil | Longton, KS 67352 | Oil Operator | Apr 1989 |
| 139 | Jackson Dorwin R | | Oil Operator | Sep 1995 |
| 140 | Jackson, Joshua And Reacreisha | Mapleton, KS 66754 | Oil Operator | Oct 2025 |
| 141 | Jako Productions | | Oil Operator | Jul 2014 |
| 142 | Jet Drilling Cor | | Oil Operator | Oct 1995 |
| 143 | Jet Drilling Corp. | Scottsdale, AZ 85252 | Oil & Gas Operator | Dec 1996 |
| 144 | Jim'S Operating Service | Dewey, OK 74029 | Oil Operator | Dec 1996 |
| 145 | JMDR Holdings LLC | Destin, FL 32541 | Oil Operator | Jul 2025 |
| 146 | Jones And Buck Development LLC | Sedan, KS 67361 | Oil & Gas Operator | Feb 2026 |
| 147 | Jones Gas Corporation | Wichita, KS 67278 | Gas Operator | Dec 2009 |
| 148 | Jones Oil Exploration, LLC | Sedan, KS 67361 | Oil & Gas Operator | Dec 2025 |
| 149 | Joy Operating Co | | Oil Operator | Jan 1984 |
| 150 | K C Crude Inc | Lenexa, KS 66215 | Oil & Gas Operator | Dec 2000 |
| 151 | K C Crude Incorp | | Oil & Gas Operator | Mar 1994 |
| 152 | Kanmap Incorpora | | Oil & Gas Operator | Dec 1995 |
| 153 | Kano Partners | | Oil Operator | Sep 1989 |
| 154 | Kansas Energy Company, L.L.C. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2025 |
| 155 | Kansas Gas Co., Inc. | Wichita Falls, TX 76310 | Gas Operator | Dec 2025 |
| 156 | Kansas MB Project, LLC | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 157 | Kelso Casing Pul | | Oil Operator | Mar 1995 |
| 158 | Kelt Energy Inco | | Oil & Gas Operator | Sep 1995 |
| 159 | Kelt Energy, Inc. | Independence, KS 67301 | Oil & Gas Operator | Dec 2003 |
| 160 | Knife River Oil, LLC | Bull Shoals, AR 72619 | Oil Operator | Feb 2017 |
| 161 | Kodiak Energy LLC | Pineville, MO 64856 | Oil Operator | Dec 2019 |
| 162 | L & J Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Apr 1999 |
| 163 | L And J Oil Comp | | Oil Operator | Dec 1996 |
| 164 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 165 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Oct 2025 |
| 166 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 167 | Lee Donna Oil Co | | Oil & Gas Operator | Dec 1996 |
| 168 | Leonard, Daniel M. | Fort Worth, TX 76101 | Oil & Gas Operator | Nov 2001 |
| 169 | Line, Jerry W., SR. | Tulsa, OK 74137 | Oil Operator | Nov 1996 |
| 170 | Lio-1 Corporation | Las Vegas, NV 89116 | Oil Operator | Sep 2025 |
| 171 | Long And Ware Oil, A General Partnership | Pawhuska, OK 74056 | Oil Operator | Jan 2021 |
| 172 | Longhorn Propert | | Oil Operator | Feb 1989 |
| 173 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Dec 2025 |
| 174 | Lyon Oil Company | | Oil Operator | Mar 1985 |
| 175 | M & L Oil Compan | | Oil Operator | Jun 1993 |
| 176 | M & M Contractin | | Oil Operator | Mar 1992 |
| 177 | M.O.K.A.T. | Bartlesville, OK 74003 | Oil Operator | Jun 2001 |
| 178 | Maco Incorporate | | Oil Operator | Jun 1984 |
| 179 | Magnum Engineering Company | Corpus Christ, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 180 | Martin, Bob | Wann, OK 74083 | Oil & Gas Operator | Sep 2007 |
| 181 | Martindale Enter | | Oil & Gas Operator | Oct 1996 |
| 182 | Masek Oil Compan | | Oil Operator | Feb 1984 |
| 183 | Matador Exploration, Inc. | Sedan, KS 67361 | Oil Operator | Apr 2001 |
| 184 | MB Holdings LLC | Independence, KS 67301 | Oil Operator | Dec 2025 |
| 185 | McCann Mark Wind | | Oil & Gas Operator | Dec 1994 |
| 186 | McPherson Drilling | | Oil Operator | Jun 2015 |
| 187 | Mega Petroleum C | | Oil Operator | Jun 1990 |
| 188 | Melton, Kenneth | Wann, OK 74083 | Oil Operator | Nov 2025 |
| 189 | Merrick Oil & Gas | | Oil & Gas Operator | Sep 2025 |
| 190 | Merrico Resource | | Oil Operator | Dec 1996 |
| 191 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 192 | Mike Blaes & Peggy Blaes, A General Partnership | Cherryvale, KS 67335 | Oil Operator | Mar 2025 |
| 193 | Miller, Myron R. | Haven, KS 67543 | Oil Operator | Oct 2017 |
| 194 | Miller, Ralph D. & Faye C. | Cherryvale, KS 67335 | Oil Operator | Apr 2003 |
| 195 | Montgomery Count | | Oil Operator | Dec 1992 |
| 196 | Murk, James M. | Wheaton, IL 60189 | Gas Operator | Jan 1999 |
| 197 | Natural Capital LLC | Castle Rock, CO 80104 | Oil & Gas Operator | Dec 2009 |
| 198 | New Donna Lee Oil Company | Bakersfield, CA 93308 | Oil & Gas Operator | Jul 2025 |
| 199 | Numac LLC | Cherryvale, KS 67335 | Oil Operator | Jun 2025 |
| 200 | Oil Lift Inc | Metairie, LA 70002 | Oil & Gas Operator | Apr 2020 |