| 201 | Inland Oil Corporation | Sapulpa, OK 74067-0943 | Oil & Gas Operator | Jan 2024 |
| 202 | International Energy Company LLC | | Oil & Gas Operator | Jan 2024 |
| 203 | International Energy Corporation | Tulsa, OK 74136-3922 | Oil & Gas Operator | Dec 2018 |
| 204 | J & F Oil & Gas Company | Yale, OK 74085-0311 | Oil & Gas Operator | Feb 2004 |
| 205 | J-Brex Company | Amarillo, TX 79101 | Oil & Gas Operator | Apr 2024 |
| 206 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 207 | Jaed Oil Production Co Inc | Arkansas City, KS 67005-0902 | Oil & Gas Operator | Mar 2015 |
| 208 | James Oil Company | Compton, CA 90221-4399 | Oil & Gas Operator | Nov 2008 |
| 209 | James Raymond L | Sapulpa, OK 74066-8785 | Oil & Gas Operator | Jan 2024 |
| 210 | Jason Petroleum Corporation | Tulsa, OK 74170-0622 | Oil & Gas Operator | Dec 1998 |
| 211 | Johnson Horace T | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2000 |
| 212 | K Energy Inc | Mannford, OK 74044-3023 | Oil & Gas Operator | May 2013 |
| 213 | K-C Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jan 2013 |
| 214 | Kaiser Investments | Sand Springs, OK 74063 | Oil & Gas Operator | Sep 2003 |
| 215 | Kay Production Company Inc | Bowlegs, OK 74830-0115 | Oil & Gas Operator | Jan 2024 |
| 216 | Keener Oil & Gas Company | Tulsa, OK 74119-4416 | Oil & Gas Operator | Feb 2024 |
| 217 | Kehler & Kehler Oil Company | Skiatook, OK 74070-3674 | Oil & Gas Operator | Feb 2005 |
| 218 | Kelly Oil | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 219 | Kerr-McGee Refining Corp | Oklahoma City, OK 73125 | Oil & Gas Operator | Jun 2007 |
| 220 | Keystone Oil And Gas Company LLC | | Oil & Gas Operator | Jan 2024 |
| 221 | Kingfisher Resources Inc | Clinton, OK 73601-1237 | Oil & Gas Operator | Feb 2024 |
| 222 | Klabzuba Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2013 |
| 223 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Feb 2024 |
| 224 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
| 225 | Koelsch Rex Or Marie | Tulsa, OK 74107-8647 | Oil & Gas Operator | May 2023 |
| 226 | Krumme Oil Company LLP | Bristow, OK 74010-0749 | Oil & Gas Operator | Jan 2024 |
| 227 | Kybenco Disposals LLC | | Oil Operator | Sep 2022 |
| 228 | L & T Disposal LLC | Wilson, OK 73463-6545 | Oil Operator | Mar 2016 |
| 229 | Lahoma Production Inc | Jenks, OK 74037-0487 | Oil & Gas Operator | Nov 2023 |
| 230 | Lake Country Disposal II LLC | | Oil Operator | Jan 2024 |
| 231 | Lake Country Disposal LLC | | Oil Operator | Jan 2024 |
| 232 | Lakeland Pipeline Inc | Hominy, OK 74035-1006 | Oil & Gas Operator | Jun 2023 |
| 233 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Jan 2024 |
| 234 | Lamberton W J | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2015 |
| 235 | Lapetco Inc | Plano, TX 75093 | Oil & Gas Operator | Feb 2024 |
| 236 | Lariat Energy & Supply Co Inc | Hulbert, OK 74441-0735 | Oil & Gas Operator | Feb 2024 |
| 237 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 238 | Ldo LLC | | Oil Operator | Jan 2024 |
| 239 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
| 240 | Leg Up Operating Company LLC | | Oil Operator | Jan 2024 |
| 241 | Lewis A Hembree Production Co | Shawnee, OK 74802-1725 | Oil & Gas Operator | Jan 2024 |
| 242 | Lewis Oil And Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 243 | Lewis Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jul 1995 |
| 244 | Liberty Operating Inc | Norman, OK 73069-8225 | Oil & Gas Operator | Mar 2022 |
| 245 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 246 | Loving Company (The) | Broken Arrow, OK 74014-0001 | Oil & Gas Operator | May 2013 |
| 247 | Lowe Kenneth | Jennings, OK 74038 | Oil & Gas Operator | Feb 2023 |
| 248 | Luther Oil Inc | Cameron Park, CA 95682-8865 | Oil & Gas Operator | Apr 2020 |
| 249 | LX4 LLC | | Oil Operator | Jan 2024 |
| 250 | M & T Production Company LLC | Tulsa, OK 74132-3742 | Oil Operator | Apr 2011 |
| 251 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Feb 2024 |
| 252 | Maggard Joe | Mannford, OK 74044-9610 | Oil & Gas Operator | May 2023 |
| 253 | Maggard VIrginia J | Mannford, OK 74044-3027 | Oil Operator | Jan 2024 |
| 254 | Mantex Inc | Tulsa, OK 74114-6234 | Oil & Gas Operator | Mar 2015 |
| 255 | Mark Petroleum Inc | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2018 |
| 256 | Mason, Tommy L | | Oil & Gas Operator | May 2013 |
| 257 | Matherly Elaine | Bristow, OK 74010-9536 | Oil Operator | Mar 2015 |
| 258 | Mayabb Oil Company Inc | Tulsa, OK 74105-5158 | Oil & Gas Operator | Jan 2024 |
| 259 | Mayhar N D | Eufaula, OK 74432 | Oil Operator | Apr 2015 |
| 260 | McChesney Michael & Ayo Joseph R | | Oil Operator | Nov 2019 |
| 261 | McCutchin Alma Estate | Dallas, TX 75380 | Oil & Gas Operator | May 2013 |
| 262 | McGinley Jr, John R | | Gas Operator | Nov 1998 |
| 263 | McGonigal Dan L | | Oil & Gas Operator | Oct 2023 |
| 264 | McGonigal Donald T | Tulsa, OK 74114-2145 | Oil & Gas Operator | Jul 2004 |
| 265 | McGonigal Ted W | Norman, OK 73072-3037 | Oil & Gas Operator | Dec 2023 |
| 266 | Meadors Jr J W Trust | Bixby, OK 74008-0151 | Oil & Gas Operator | Aug 2013 |
| 267 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 268 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 269 | Mid-Con Energy Operating, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 270 | Mid-Continent Energy Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2024 |
| 271 | Mikarden Energy Inc | | Oil Operator | Dec 2023 |
| 272 | Miller-McGee Operating Inc | Stroud, OK 74079-0754 | Oil & Gas Operator | Feb 2024 |
| 273 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 274 | Monexco Operating Company | Dallas, TX 75204-2634 | Oil & Gas Operator | Jan 2024 |
| 275 | Moore Lynn D | Collinsville, OK 74021 | Oil Operator | Aug 2013 |
| 276 | Moore Oil And Gas | Burleson, TX 76028 | Oil & Gas Operator | Apr 2024 |
| 277 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 278 | Morris Ed Dba Morris Operating Company | Mounds, OK 74047-4801 | Oil & Gas Operator | Feb 2024 |
| 279 | Morrison Oil Company | Bartlesville, OK 74005-1059 | Oil Operator | Mar 2015 |
| 280 | MRD Nowata LLC | | Oil Operator | Aug 2017 |
| 281 | MSB Operating Company | Enid, OK 73703 | Oil & Gas Operator | Jan 2005 |
| 282 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Feb 2024 |
| 283 | Munson, David M. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 284 | Murphy Helen Colpitt Trust | Collinsville, OK 74021-0128 | Oil & Gas Operator | May 2002 |
| 285 | Murphy Jack L | Tulsa, OK 74104-4915 | Oil Operator | Mar 2015 |
| 286 | Nancy Oil & Gas Corp | Tulsa, OK 74101 | Oil Operator | Apr 2020 |
| 287 | Natural Gas Compression Corp | Cleveland, OK 74020-0065 | Oil & Gas Operator | Nov 2023 |
| 288 | Natural Gas Pipeline Co Of Am LLC | Downers Grove, IL 60515-3708 | Oil & Gas Operator | Mar 2015 |
| 289 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Apr 2024 |
| 290 | Nelson Exploration Corporation | | Oil & Gas Operator | Jan 2024 |
| 291 | Nemaha Environmental Services LLC | Enid, OK 73703 | Oil Operator | Feb 2024 |
| 292 | Neodyne Drilling Corporation | Tulsa, OK 74153-0326 | Oil & Gas Operator | Apr 2020 |
| 293 | Neosho Operating Services LLC | | Oil Operator | Mar 2017 |
| 294 | New Gulf Resources, LLC | Tulsa, OK 74133 | Oil & Gas Operator | May 2018 |
| 295 | New Lift Inc | Nowata, OK 74048-0245 | Oil & Gas Operator | Mar 2015 |
| 296 | NM&O Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 297 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 298 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Apr 2024 |
| 299 | Noble Resources Inc | Mannford, OK 74044-0570 | Oil & Gas Operator | Feb 2024 |
| 300 | Northeast Shelf LLC | Skiatook, OK 74070 | Oil & Gas Operator | Jun 2017 |