| 201 | Pendulum Petroleum, Inc. | Pinedale, WY 82941 | Oil Operator | Aug 1999 |
| 202 | Perkins Oil Comp | | Oil Operator | Nov 1988 |
| 203 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 204 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Dec 2023 |
| 205 | Petroleum Energy | | Oil & Gas Operator | Mar 1991 |
| 206 | Petroleum Enterp | | Oil & Gas Operator | Sep 1995 |
| 207 | Petroleum Enterprises, Inc. | Hutchinson, KS 67504 | Oil & Gas Operator | May 2001 |
| 208 | Petroleum Incorp | | Oil & Gas Operator | Apr 1993 |
| 209 | Petroleum Produc | | Oil & Gas Operator | Dec 1996 |
| 210 | Petroleum Property Services, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 211 | Petroleum Technologies, Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Dec 2023 |
| 212 | Phil Groves Oil | | Oil & Gas Operator | Dec 2023 |
| 213 | Phillips Lee Oil | | Oil & Gas Operator | Aug 1995 |
| 214 | Phillips Oil Properties Inc. | Derby, KS 67037 | Oil Operator | Dec 2023 |
| 215 | Phoenix Oil Corp | Wichita, KS 67201 | Oil & Gas Operator | Jan 1999 |
| 216 | Prairie Oil Inco | | Oil Operator | Jan 1986 |
| 217 | Pres-Lo Incorpor | | Oil & Gas Operator | Aug 1993 |
| 218 | Presley Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 219 | Provine, B.R. | Wichita, KS 67226 | Oil Operator | Apr 2010 |
| 220 | Pryor, VIctor W., Jr. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2017 |
| 221 | Pyramid Corporat | | Oil & Gas Operator | Aug 1995 |
| 222 | Quail Oil & Gas LC | Garden City, KS 67846 | Oil & Gas Operator | Jan 2024 |
| 223 | Rader Oil Compan | | Oil Operator | May 1987 |
| 224 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 225 | Ramoil Company | Winfield, KS 67156 | Oil & Gas Operator | May 1987 |
| 226 | Raney Oil Company, LLC | Lawrence, KS 66049 | Oil & Gas Operator | Dec 2023 |
| 227 | Range Oil Co., Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jan 2020 |
| 228 | Range Oil Compan | | Oil & Gas Operator | Nov 1995 |
| 229 | Redbud Oil & Gas Operating, LLC | Spring, TX 77379 | Oil & Gas Operator | Dec 2023 |
| 230 | Redtail Investments LLC | Oklahoma City, OK 73179 | Oil & Gas Operator | Jan 2024 |
| 231 | Remco Ener Corpo | | Oil & Gas Operator | Dec 1994 |
| 232 | Resource Venture | | Oil & Gas Operator | Oct 1991 |
| 233 | Rexoco Incorpora | | Oil Operator | Apr 1992 |
| 234 | Rhoads, Mark | Seminole, OK 74868 | Oil Operator | Sep 1999 |
| 235 | Richardson And Son , Inc. | Winfield, KS 67156 | Oil Operator | Dec 2023 |
| 236 | Roadrunner Energy, Inc. | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2015 |
| 237 | Roark S L | | Oil & Gas Operator | Nov 1992 |
| 238 | Rockin 'A' Oil | | Oil Operator | Dec 2023 |
| 239 | Ronco Incorporat | | Oil Operator | Sep 1988 |
| 240 | Rush Oil & Gas C | | Oil Operator | Dec 1995 |
| 241 | Sage NR Ok LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 242 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 243 | School Creek Corporation | Winfield, KS 67156 | Oil Operator | Jan 2000 |
| 244 | Scott'S Production, LLC | Roxbury, KS 67476 | Oil Operator | Dec 2023 |
| 245 | Seeker, LLC | Newkirk, OK 74647 | Oil & Gas Operator | Nov 2019 |
| 246 | Seelig Oil Corpo | | Oil Operator | Apr 1985 |
| 247 | Sheffler Industries | Phoenix, AZ 85013 | Oil Operator | Aug 1999 |
| 248 | Short W D Oil Co | | Oil Operator | Mar 1996 |
| 249 | Shouse, Micheal C. | Liberty, MO 64068 | Oil & Gas Operator | Jan 1996 |
| 250 | Silver Creek Oil | Merkel, TX 79536 | Oil & Gas Operator | Aug 2003 |
| 251 | Silver Creek Oil & Gas, Inc. | Wichita, KS 67203 | Oil Operator | Dec 1997 |
| 252 | Smokey Valley Resources, Inc. | Geneseo, KS 67444 | Oil Operator | Nov 2008 |
| 253 | SNR Kansas Operating, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2019 |
| 254 | SNR Operating, LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2024 |
| 255 | Southern States | | Oil & Gas Operator | Jul 1988 |
| 256 | Sram Oil Incorporated | Winfield, KS 67156 | Oil & Gas Operator | Aug 2005 |
| 257 | Stelbar Oil Corp | Wichita, KS 67206 | Oil & Gas Operator | Aug 1995 |
| 258 | Stelbar Oil Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 259 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 260 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Dec 2023 |
| 261 | Summitt Energy, LLC | Wichita, KS 67218 | Oil Operator | Dec 2023 |
| 262 | T & R Oil Company, A General Partnership | Moline, KS 67353 | Oil Operator | Dec 2019 |
| 263 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Jan 2024 |
| 264 | T J D Oil Compan | | Oil Operator | Feb 1989 |
| 265 | Tallgrass Explor | | Oil Operator | Sep 1987 |
| 266 | Taos Resources Operating Co LLC | Houston, TX 77037 | Oil & Gas Operator | Dec 2019 |
| 267 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Dec 2023 |
| 268 | Te-Pe Oil & Gas | | Oil & Gas Operator | Dec 2023 |
| 269 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jul 2023 |
| 270 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Dec 2023 |
| 271 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |
| 272 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 273 | The Pyramid Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2009 |
| 274 | The Trees Oil Company | Wichita, KS 67208 | Oil & Gas Operator | Nov 2014 |
| 275 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Dec 2023 |
| 276 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 277 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2024 |
| 278 | Tomco Oil Incorp | | Oil Operator | Nov 1989 |
| 279 | Tomco Oil, Inc. | Atlanta, KS 67008 | Oil & Gas Operator | Dec 2023 |
| 280 | Toto Energy, LLC | Spring, TX 77380 | Oil & Gas Operator | Dec 2019 |
| 281 | TR Crude LLC | Independence, KS 67301 | Oil Operator | Oct 2023 |
| 282 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jan 2024 |
| 283 | Trees Oil Compan | | Oil Operator | Jan 1995 |
| 284 | Troy Jaco, Inc. | Sherman, TX 75091 | Oil Operator | Dec 2018 |
| 285 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 286 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jan 2024 |
| 287 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2022 |
| 288 | Upland Resources, Inc. | Canadian, TX 79014 | Oil & Gas Operator | Dec 2009 |
| 289 | Val Energy, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 290 | Victory Minerals LLC | Kansas City, MO 64141 | Oil Operator | Dec 2023 |
| 291 | Viking Petroleum | | Oil Operator | Mar 1990 |
| 292 | Viking Production LLC | Fredonia, KS 66736 | Oil Operator | Mar 2016 |
| 293 | Viva International, Inc. | Overland Park, KS 66207 | Oil Operator | Dec 2023 |
| 294 | W M Petroleum LLC | Cedar Vale, KS 67024 | Oil Operator | Nov 2023 |
| 295 | W. D. Short Oil Co. | | Oil Operator | Apr 2004 |
| 296 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Dec 2023 |
| 297 | Wakefield Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Aug 1999 |
| 298 | Warhorse Petroleum Inc | Lafayette, CO 80026 | Oil Operator | Dec 2023 |
| 299 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Apr 2024 |
| 300 | Warren, James E. | Arkansas City, KS 67005 | Oil Operator | Nov 2009 |