| 16201 | Larson Drilling Corp. | Jamestown, NY 14702 | Gas Operator | Dec 2022 |
| 16202 | Larson Exploration Company | Tulsa, OK 74136-4939 | Oil & Gas Operator | Jul 2016 |
| 16203 | Larson Operating | | Oil & Gas Operator | Mar 2001 |
| 16204 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 16205 | Larson, Perry L Operating Co Inc | Dallas, TX 75382 | Oil & Gas Operator | Feb 2021 |
| 16206 | Las Animas Production Company | Midland, TX 79705 | Oil & Gas Operator | Mar 1995 |
| 16207 | Las Colinas Oil Corp. | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 16208 | Las Palmas Petroleum Corp. | | Oil Operator | Dec 2010 |
| 16209 | Las Services, Inc. | | Oil & Gas Operator | Oct 1997 |
| 16210 | Lasalle Marine Corporation | Houston, TX 77056 | Oil Operator | Aug 2003 |
| 16211 | Lasater & Co, Inc. | Spearman, TX 79081 | Oil & Gas Operator | May 2024 |
| 16212 | Lasco Production Co | | Oil & Gas Operator | Dec 1999 |
| 16213 | Laser Gas Company I, LLC | | Oil Operator | Aug 2007 |
| 16214 | Lashley Oil Company Inc | Walters, OK 73572 | Oil Operator | Dec 2014 |
| 16215 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 16216 | Lasmo Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2024 |
| 16217 | Lassetter Petrol | | Oil Operator | Oct 1986 |
| 16218 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Jan 2024 |
| 16219 | Lasso Oil & Gas LLC | | Oil & Gas Operator | Jul 2022 |
| 16220 | Last Chance Operating LLC | Wortham, TX 76693 | Oil Operator | May 2024 |
| 16221 | Last Ditch Petroleum LLC | Edmonton, KY 42129 | Oil Operator | Dec 2021 |
| 16222 | Last Dollar LLC | Big Lake, TX 76932 | Oil & Gas Operator | May 2024 |
| 16223 | Last Run, LLC | Rillito, AZ 85246 | Oil & Gas Operator | May 2020 |
| 16224 | Laster Welding And Well Serv, Inc. | | Gas Operator | Jul 2020 |
| 16225 | Lastrada Oil And Gas LTD | | Oil & Gas Operator | May 1992 |
| 16226 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
| 16227 | Latexo Oil & Gas Co. | | Oil Operator | Sep 1986 |
| 16228 | Latexo Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Feb 1997 |
| 16229 | Latham & Bonner | | Oil Operator | Aug 1987 |
| 16230 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 16231 | Latham Production & Service Co | | Oil Operator | Jul 1989 |
| 16232 | Latham Roger P C | Dallas, TX 75244 | Oil Operator | Apr 2015 |
| 16233 | Latham, Bonner & Hall | | Oil Operator | Mar 1988 |
| 16234 | Latham, Richard K | Lewisburg, KY 42256 | Oil Operator | Dec 2022 |
| 16235 | Latigo (Texas), LLC | Tulsa, OK 74119 | Oil & Gas Operator | May 2024 |
| 16236 | Latigo Drilling Corporation | Duncan, OK 73534-2150 | Oil & Gas Operator | Feb 2024 |
| 16237 | Latigo Oil And Gas Inc | Woodward, OK 73802-1208 | Oil & Gas Operator | Feb 2024 |
| 16238 | Latigo Petroleum Texas, LP | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 16239 | Latigo Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2024 |
| 16240 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2024 |
| 16241 | Latimer, D. Gail Enterprises,Inc | Snyder, TX 79550 | Oil & Gas Operator | Jul 2004 |
| 16242 | Lauber Floyd | Dayton, OH 45415 | Oil & Gas Operator | Dec 1997 |
| 16243 | Lauck & Associates | Walnut Creek, CA 91789 | Oil & Gas Operator | Jan 2024 |
| 16244 | Lauck D R Oil Co | | Oil & Gas Operator | Oct 1995 |
| 16245 | Lauffer Oil Co Of Ky | | Oil Operator | Dec 2022 |
| 16246 | Laughlin Jack D | Cushing, OK 74023 | Oil & Gas Operator | Sep 2016 |
| 16247 | Laughlin, W. M. Estate | Premont, TX 78375 | Oil & Gas Operator | Jun 2003 |
| 16248 | Laurel Fuel Company | Jackson, MS 39206 | Oil & Gas Operator | Dec 1996 |
| 16249 | Laurel Mountain Production | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Feb 2024 |
| 16250 | Laurel Operating Company, Inc. | Stillwater, OK 74074-3025 | Oil & Gas Operator | Jan 2024 |
| 16251 | Lavaca Canyon Petroleum LLC | Houston, TX 77094 | Oil & Gas Operator | May 2024 |
| 16252 | Lavaca River Operating Co., LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2024 |
| 16253 | Lavanco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2006 |
| 16254 | Lavanco Energy, LTD. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2024 |
| 16255 | Laverty, Thomas R | | Oil & Gas Operator | Dec 2023 |
| 16256 | Lavino Oil And Gas Company | | Oil & Gas Operator | Aug 1989 |
| 16257 | Lavrco Energie Inc | Duncan, OK 73533 | Oil & Gas Operator | Jan 2024 |
| 16258 | Law E Edward | Newkirk, OK 74647-2056 | Oil Operator | Dec 2023 |
| 16259 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 16260 | Lawbanco Drillin | | Oil Operator | Feb 1995 |
| 16261 | Lawbanco Drilling, Inc. | Natoma, KS 67651 | Oil Operator | May 1998 |
| 16262 | Lawbar Petroleum, Inc. | Tuleta, TX 78162 | Oil & Gas Operator | Aug 2003 |
| 16263 | Lawco Exploration Inc | Bentonville, AR 72712 | Oil & Gas Operator | Feb 2024 |
| 16264 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Jan 2024 |
| 16265 | Lawco Osage Operating, LLC | Bentonville, AR 72712 | Oil & Gas Operator | May 2024 |
| 16266 | Lawlis Oil Company | Hamlin, TX 79520 | Oil & Gas Operator | May 2024 |
| 16267 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 16268 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 16269 | Lawrence County Gas LLC | Salyersville, KY 41465 | Oil & Gas Operator | Dec 2022 |
| 16270 | Lawrence Energy Company | Abilene, TX 79602 | Oil & Gas Operator | May 2024 |
| 16271 | Lawrence Exploration Inc | | Oil & Gas Operator | Sep 2004 |
| 16272 | Lawrence Hot Oil Service | Loco, OK 73442-0002 | Oil & Gas Operator | Feb 2024 |
| 16273 | Lawrence James LLC | | Oil & Gas Operator | Feb 2024 |
| 16274 | Lawrence James Oil Prop Inc | Catoosa, OK 74015 | Oil & Gas Operator | Feb 2012 |
| 16275 | Lawrence Larry O | | Gas Operator | Sep 1993 |
| 16276 | Lawrence Roy Drilling Co Inc | Pawnee, OK 74058-0306 | Oil & Gas Operator | Aug 2000 |
| 16277 | Lawrence W Ritter | Farmington, NM 87499 | Gas Operator | Feb 2024 |
| 16278 | Lawrence, C. F. & Assoc. Inc. | Lubbock, TX 79401 | Oil & Gas Operator | May 2024 |
| 16279 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | Oct 2023 |
| 16280 | Lawson Arthur C | | Oil Operator | Aug 1994 |
| 16281 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 16282 | Lawson George E | Sand Springs, OK 74063 | Oil & Gas Operator | May 2013 |
| 16283 | Lawson Oil Company | Buckeye, AR 85326 | Oil Operator | Mar 1996 |
| 16284 | Lawson Operating LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2015 |
| 16285 | Lawson Petroleum Co. | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2009 |
| 16286 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | Dec 2023 |
| 16287 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 16288 | Lawton, Jack Inc. | Sulphur, LA 70663 | Oil & Gas Operator | Dec 1995 |
| 16289 | Lax, Inc. | | Oil & Gas Operator | Nov 1987 |
| 16290 | Lay, J. D. | Lockhart, TX 78644 | Oil & Gas Operator | May 1997 |
| 16291 | Lay, Warren Leon | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2023 |
| 16292 | Layco Oil | Okmulgee, OK 74447-2065 | Oil & Gas Operator | Apr 2020 |
| 16293 | Layline Energy I LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2019 |
| 16294 | Layline Oil And Gas LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 16295 | Layline Petroleum I, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2013 |
| 16296 | Laymac Corporation | | Gas Operator | Dec 2020 |
| 16297 | Laymon Oil Compa | | Oil & Gas Operator | Dec 1996 |
| 16298 | Laymon Oil Company | | Oil Operator | Feb 2001 |
| 16299 | Laymon Oil II, LLC | Neosho Falls, KS 66758 | Oil Operator | Jan 2024 |
| 16300 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Jan 2024 |