| 16201 | La Vernia Oil | La Vernia, TX 78121 | Oil Operator | Nov 2024 |
| 16202 | La Vernia Oil Co. | La Vernia, TX 78121 | Oil & Gas Operator | Aug 2003 |
| 16203 | La Veta Oil & Gas, LLC | Middleburg, VA 20118 | Oil Operator | Jul 2024 |
| 16204 | La VIda Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 1993 |
| 16205 | La. Fete Oil & Gas, Inc. | | Oil & Gas Operator | May 1995 |
| 16206 | La. Gas Production, L.C. | | Gas Operator | Sep 2018 |
| 16207 | La. Land & Expl. Co. | | Oil & Gas Operator | Dec 2010 |
| 16208 | La. Mining & Minerals, Inc. | | Oil & Gas Operator | Jul 2000 |
| 16209 | La. Nap. Inc. Lanlock Res Inc | | Oil Operator | Feb 1995 |
| 16210 | La. Onshore Properties Inc. | | Oil & Gas Operator | Dec 2000 |
| 16211 | La.-TX. Operating, Inc. | | Oil & Gas Operator | May 1998 |
| 16212 | La.Gas Service Expl. Program | | Gas Operator | Dec 1989 |
| 16213 | Labarge Minerals Inc | Labarge, WY 83123 | Oil & Gas Operator | Jan 2020 |
| 16214 | Labelle Petroleum, Inc. | | Oil & Gas Operator | Oct 1990 |
| 16215 | Laben, David Glenn & Janice W. | Darien Center, NY 14040 | Gas Operator | Dec 2023 |
| 16216 | Labh Hospitality, Inc. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 16217 | Labo Oil Company Inc | Drumright, OK 74030-5619 | Oil & Gas Operator | Aug 2024 |
| 16218 | Lace Operating | Fort Worth, TX 76114 | Oil & Gas Operator | Jun 1997 |
| 16219 | Lacen Oil | | Oil Operator | Jan 2002 |
| 16220 | Lachenmayr Oil C | | Oil Operator | Sep 1996 |
| 16221 | Lachenmayr Oil LLC | Newton, KS 67114 | Oil & Gas Operator | Jul 2024 |
| 16222 | Lackawanna City School District | Lackawanna, NY 14218 | Gas Operator | Dec 2023 |
| 16223 | Lackey Danny | Kiefer, OK 74041-0702 | Oil & Gas Operator | Oct 2022 |
| 16224 | Lackey Disposal | | Oil Operator | Jul 1994 |
| 16225 | Lackey Milton | | Oil & Gas Operator | Feb 1995 |
| 16226 | Lackey Raymond R | Lindsay, OK 73052 | Oil & Gas Operator | Jun 2015 |
| 16227 | Lackey Raymond R & Assoc | Sulphur, OK 73086 | Oil & Gas Operator | Sep 2024 |
| 16228 | Lackey WM Oil & Gas Oper Co | Shawnee, OK 74801 | Oil & Gas Operator | Jan 1994 |
| 16229 | Lackey, Donna | Waxahachie, TX 75165 | Oil Operator | Oct 2019 |
| 16230 | Lackey, William H. Oil And Gas | Shawnee, OK 74804 | Oil & Gas Operator | Feb 2024 |
| 16231 | Lacy 03, LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 16232 | Lacy Operations, LTD. | Longview, TX 75606 | Oil & Gas Operator | Oct 2012 |
| 16233 | Lacy, F. B. Inc. | Houston, TX 77055 | Oil & Gas Operator | Sep 1997 |
| 16234 | Lacy, J. W., Jr. | Midland, TX 79702 | Oil & Gas Operator | Dec 2007 |
| 16235 | Lacy, R | Longview, TX 75606 | Oil Operator | Apr 1989 |
| 16236 | Lacy, R., Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2002 |
| 16237 | Ladd & Lukowicz | | Oil & Gas Operator | May 1983 |
| 16238 | Ladd LLC | El Reno, OK 73036 | Oil & Gas Operator | Nov 2018 |
| 16239 | Ladd Oil & Gas Corporation | Midland, TX 79711 | Oil & Gas Operator | Dec 2021 |
| 16240 | Ladd Operating Company | Midland, TX 79711 | Oil & Gas Operator | Mar 2008 |
| 16241 | Ladd Petroleum C | | Oil & Gas Operator | Sep 1989 |
| 16242 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
| 16243 | Ladder Energy Company | Tulsa, OK 74120-4281 | Oil & Gas Operator | Jan 2018 |
| 16244 | Laddex, LTD. | Amarillo, TX 79102 | Oil & Gas Operator | Nov 2024 |
| 16245 | Lafayette Oilfield Contractors, Inc. | | Oil Operator | Jun 2024 |
| 16246 | Lafonda Energy LLC | Vernon, TX 76384 | Oil Operator | Nov 2024 |
| 16247 | Lagarto Company, The | Fredericksbrg, TX 78624 | Oil & Gas Operator | Apr 1995 |
| 16248 | Lagerquist, Walter G., Jr. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2005 |
| 16249 | Lagniappe Interest Inc | Evergreen, CO 80439 | Oil & Gas Operator | Jun 2006 |
| 16250 | Lagniappe Interests, Inc. | | Oil & Gas Operator | Dec 2003 |
| 16251 | Lagniappe Operating, LLC | | Oil Operator | Jun 2024 |
| 16252 | Lagniappe Petrole, LLC | | Oil & Gas Operator | Jul 2024 |
| 16253 | Lago Petroleum Co. | | Oil & Gas Operator | Jan 1992 |
| 16254 | Lagoon Water Logistics LLC | Oklahoma City, OK 73103 | Oil Operator | Jul 2024 |
| 16255 | Laguna County Sanitation District | | Oil & Gas Operator | Dec 2003 |
| 16256 | Laguna Oil & Gas Corp. | Weesatche, TX 77993 | Oil & Gas Operator | Nov 2024 |
| 16257 | Laguna Petroleum Company | Casper, WY 82601 | Oil & Gas Operator | Dec 1982 |
| 16258 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Nov 2024 |
| 16259 | Lahd Energy Inc | Canton, OH 44709 | Gas Operator | Dec 2009 |
| 16260 | Lahoma Gas Company | | Gas Operator | Dec 1980 |
| 16261 | Lahoma Operating, Inc. | | Oil & Gas Operator | Aug 2024 |
| 16262 | Lahoma Production Inc | Jenks, OK 74037 | Oil & Gas Operator | Sep 2024 |
| 16263 | Lainco Well Service | Hamlin, TX 79520 | Oil & Gas Operator | Dec 1996 |
| 16264 | Lainco Well Service, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Aug 2011 |
| 16265 | Lainco, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Nov 2024 |
| 16266 | Laird Anita Louise | Asher, OK 74826-3215 | Oil Operator | Jun 2018 |
| 16267 | Laird Bill Oil Company | St Louis, OK 74866 | Oil & Gas Operator | Sep 2024 |
| 16268 | Lake A, LTD. | | Oil Operator | May 1998 |
| 16269 | Lake Country Disposal II LLC | Wilson, OK 73463 | Oil Operator | Jul 2024 |
| 16270 | Lake Country Disposal LLC | Ardmore, OK 73401 | Oil Operator | Jun 2024 |
| 16271 | Lake Crystal Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Nov 2024 |
| 16272 | Lake Energy LLC | Chagrin Falls, OH 44023 | Oil & Gas Operator | Dec 2023 |
| 16273 | Lake Erie Energy Part LLC | Erie, PA 16505-4760 | Oil & Gas Operator | Dec 2012 |
| 16274 | Lake Racourci Gath Sys, LLC | | Oil Operator | May 2004 |
| 16275 | Lake Region Oil Inc | Massillon, OH 44648 | Oil & Gas Operator | Dec 2023 |
| 16276 | Lake Ronel Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Nov 2019 |
| 16277 | Lakehills Production, Inc. | Austin, TX 78701 | Oil & Gas Operator | Nov 2024 |
| 16278 | Lakeland Pipeline Inc | Hominy, OK 74035-1006 | Oil & Gas Operator | Jun 2023 |
| 16279 | Lakes And Country Realty LLC | | Oil Operator | Mar 2015 |
| 16280 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Nov 2024 |
| 16281 | Lakeshore Petroleum Corp. | | Oil & Gas Operator | Dec 1992 |
| 16282 | Lakeside Resources | | Oil & Gas Operator | Mar 1989 |
| 16283 | Lakewood Disposal LLC | Tulsa, OK 74136-1031 | Oil Operator | Aug 2018 |
| 16284 | Lakewood Energy LLC | Dallas, TX 75214 | Oil & Gas Operator | Nov 2024 |
| 16285 | Lakewood Energy Solutions LLC | Tulsa, OK 74136 | Oil Operator | Jun 2016 |
| 16286 | Lakewood Oil Company LLC | Mission Hills, KS 66208-2735 | Oil & Gas Operator | May 2013 |
| 16287 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 16288 | Lakewood Petroleum | | Oil & Gas Operator | Sep 1993 |
| 16289 | Lakota Energy, LTD. | Paradise, TX 76073 | Oil & Gas Operator | Nov 2024 |
| 16290 | Lakota Oil & Gas | Comanche, OK 73529-9602 | Oil & Gas Operator | May 2014 |
| 16291 | Lakota Partnership | Denver, CO 80202 | Oil Operator | Oct 1990 |
| 16292 | Laloc | Aspermont, TX 79502 | Oil & Gas Operator | Nov 2024 |
| 16293 | Lam Financial Holdings LTD | Denver, CO 80237 | Oil Operator | Sep 2024 |
| 16294 | Lama Energy, L.L.C. | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 16295 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Aug 2024 |
| 16296 | Lamar Energy | Nocona, TX 76255 | Oil Operator | Nov 2024 |
| 16297 | Lamar Energy LLC | | Oil & Gas Operator | Aug 2024 |
| 16298 | Lamar Hunt | | Oil & Gas Operator | Oct 2003 |
| 16299 | Lamar Hunt Trust Est Etal | | Oil & Gas Operator | Aug 1996 |
| 16300 | Lamar Hunt Trust Est. | | Oil & Gas Operator | Mar 1978 |