| 201 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Feb 2024 |
| 202 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 203 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
| 204 | Petron Oil Company | Missouri City, TX 77489 | Oil & Gas Operator | May 2024 |
| 205 | Pilot Exploration Company | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2011 |
| 206 | Pollard Jr G W | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2015 |
| 207 | Pope Charles Edward | Morris, OK 74445-0114 | Oil & Gas Operator | Mar 2023 |
| 208 | Pope Oil LLC | | Oil Operator | Jan 2024 |
| 209 | Prairie Exploration Company | Norman, OK 73070-4036 | Oil & Gas Operator | Mar 2011 |
| 210 | Precision Operating Inc. | Richardson, TX 75080 | Oil & Gas Operator | Jul 2014 |
| 211 | Pricor-TRC Corporation | Mounds, OK 74047 | Oil & Gas Operator | May 2013 |
| 212 | Prospective Investment & Trading | Scottsdale, AZ 85261-4190 | Oil & Gas Operator | Jun 2016 |
| 213 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2024 |
| 214 | Pulliam IVan Henry | Coweta, OK 74429-0116 | Oil & Gas Operator | Dec 2017 |
| 215 | Quad Operating Company | Bulverde, TX 78163-0359 | Oil & Gas Operator | Jan 2024 |
| 216 | Quality Production Co Of Stigler Inc | Stigler, OK 74462-0635 | Gas Operator | Feb 2013 |
| 217 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 218 | R & B Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 219 | R C Taylor Operating Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
| 220 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 221 | Ray Herman | Haskell, OK 74436-0446 | Oil & Gas Operator | Dec 2021 |
| 222 | Ray Roger T | Wainwright, OK 74468-0033 | Oil & Gas Operator | Dec 2021 |
| 223 | Ray'S Oil Company | Boynton, OK 74422 | Oil & Gas Operator | Jan 2024 |
| 224 | RDH Enterprises, Inc. | El Reno, OK 73036 | Oil & Gas Operator | May 2015 |
| 225 | Red Hawk Disposal LLC | | Oil Operator | Jun 2023 |
| 226 | Relm Energy Inc | Morris, OK 74445-2227 | Oil & Gas Operator | Feb 2021 |
| 227 | Remco Energy Corporation | Independence, MO 64055 | Oil & Gas Operator | Nov 2009 |
| 228 | Reno Resources Inc | Boynton, OK 74422-9762 | Oil & Gas Operator | May 2015 |
| 229 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 230 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 231 | Rhoads Mark Operations | Ponca City, OK 74604 | Oil & Gas Operator | May 2006 |
| 232 | Richland Energy Corporation | Tulsa, OK 74103-4441 | Oil Operator | Jul 1995 |
| 233 | Riddle William T | Haskell, OK 74436-1353 | Oil & Gas Operator | Feb 2014 |
| 234 | Robson Resources Inc | Tulsa, OK 74104 | Oil & Gas Operator | May 1998 |
| 235 | Rocket Energy Corp | Muskogee, OK 74402-1665 | Oil & Gas Operator | Dec 2003 |
| 236 | Rockin D Ventures LLC | | Oil Operator | Jan 2024 |
| 237 | Rocky Roads Operating LLC | | Oil & Gas Operator | Feb 2024 |
| 238 | Rose Dan And Bill | Henryetta, OK 74437-1450 | Oil & Gas Operator | Dec 2023 |
| 239 | Rose Rock Resources Inc | Wagoner, OK 74467-8362 | Oil & Gas Operator | Jan 2024 |
| 240 | Rowe Energy | Beggs, OK 74421-0240 | Oil & Gas Operator | Mar 2015 |
| 241 | Rowe Stephen Oil Properties LLC | Hunt, TX 78024-0408 | Oil & Gas Operator | Apr 2020 |
| 242 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 243 | Russell Carl G | Coweta, OK 74429 | Oil & Gas Operator | Mar 2015 |
| 244 | Russell Oil Company | Haskell, OK 74436 | Oil & Gas Operator | Apr 2014 |
| 245 | Sage Drilling Co | Wichita, KS 67202 | Oil & Gas Operator | Nov 1998 |
| 246 | Salty Dog Disposal LLC | | Oil Operator | Mar 2024 |
| 247 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 248 | Sanook Inc | Oklahoma City, OK 73156-0548 | Oil & Gas Operator | Jan 2007 |
| 249 | Scott Wayne Oil Co | Haxton, CO 80731 | Oil & Gas Operator | Apr 2020 |
| 250 | Service Drilling Co. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1998 |
| 251 | Shallow Energy Inc | South Dennis, MA 02660-2028 | Oil & Gas Operator | Jan 2024 |
| 252 | Shanks Drilling & Production Company LLC | Leonard, OK 74043-0038 | Oil & Gas Operator | Aug 2023 |
| 253 | Shanks Robert "Bob" | Haskell, OK 74436-8809 | Oil & Gas Operator | Jun 2023 |
| 254 | Silverado Oil LTD | Ardmore, OK 73401 | Oil & Gas Operator | Jun 2003 |
| 255 | Silvertin Farm Production LLC | | Oil & Gas Operator | Apr 2020 |
| 256 | Simmons Donald M | Muskogee, OK 74401 | Oil & Gas Operator | May 2013 |
| 257 | Siosi Oil & Gas Company | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2013 |
| 258 | Six "E" Trading Company | Allen, OK 74825-0346 | Oil & Gas Operator | Sep 2020 |
| 259 | Smart Service & Equipment LLC | Muskogee, OK 74401-5262 | Oil Operator | Aug 2013 |
| 260 | Smith Vernon C | | Oil & Gas Operator | Jan 2024 |
| 261 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 262 | Southbrook Energies Inc | Tulsa, OK 74153 | Oil Operator | Feb 2004 |
| 263 | Southern Int'L Inc | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2007 |
| 264 | SP Energy Development Company | Seattle, WA 98101-3277 | Oil & Gas Operator | Mar 2015 |
| 265 | Sparkman Rodger E | Jenks, OK 74037-0267 | Oil Operator | Sep 2018 |
| 266 | Sparks Resources Inc | Bristow, OK 74010 | Oil & Gas Operator | Jan 2024 |
| 267 | Spring Operating Company | Edmond, OK 73083-2048 | Oil & Gas Operator | Feb 2024 |
| 268 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 269 | Sun Refining & Marketing | Philadelphia, PA 19103 | Oil & Gas Operator | Jul 2015 |
| 270 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 271 | Superior Saltwater Disposal LLC | | Oil & Gas Operator | Dec 2016 |
| 272 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 273 | T Bar M Energy Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 274 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 275 | T W Law LLC | | Oil Operator | Jan 2024 |
| 276 | Tarwater Oil & Gas LLC | | Oil & Gas Operator | Dec 2023 |
| 277 | Tennyson Jerry Dba Tennyson Oil & Gas | | Oil Operator | Jan 2024 |
| 278 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jan 2024 |
| 279 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Feb 2024 |
| 280 | Tilford Pinson Exploration LLC | Edmond, OK 73003-5278 | Oil & Gas Operator | Jan 2024 |
| 281 | TNT Enterprizes | Coweta, OK 74429 | Oil & Gas Operator | Nov 2005 |
| 282 | TNT Operating Company Inc | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 283 | Tomorrows Energy Exploration Inc | Dallas, TX 75382-0847 | Oil & Gas Operator | Jan 2024 |
| 284 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Jan 2024 |
| 285 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 286 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 287 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 288 | Troyer Howard E | Tulsa, OK 74133-8016 | Oil & Gas Operator | Dec 2014 |
| 289 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 290 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | May 2024 |
| 291 | Vantage Point Operating Co | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 292 | Vaughn Deloy | Beggs, OK 74421-0305 | Oil & Gas Operator | Apr 2020 |
| 293 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 294 | Wachob Jack | Sapulpa, OK 74066 | Oil Operator | Dec 2014 |
| 295 | Wadley Bill & Son Drilling Co | Okmulgee, OK 74447-8934 | Oil & Gas Operator | Jan 2024 |
| 296 | Warner Oil Co., Inc. | Canyon, TX 79015 | Oil & Gas Operator | May 2013 |
| 297 | Wasson Billy C | Morris, OK 74445-2721 | Oil & Gas Operator | Jan 2024 |
| 298 | Watkins J L | Morris, OK 74445-0325 | Oil & Gas Operator | Feb 2024 |
| 299 | Watkins Joe L | Boynton, OK 74422 | Oil & Gas Operator | Mar 2015 |
| 300 | Watkins Paul | Bixby, OK 74008-4018 | Oil & Gas Operator | Jun 2004 |