| 16101 | Ladder Energy Company | Tulsa, OK 74120-4281 | Oil & Gas Operator | Jan 2018 |
| 16102 | Laddex, LTD. | Amarillo, TX 79102 | Oil & Gas Operator | Feb 2025 |
| 16103 | Lafayette Oilfield Contractors, Inc. | | Oil Operator | Dec 2024 |
| 16104 | Lafonda Energy LLC | Vernon, TX 76384 | Oil Operator | Nov 2026 |
| 16105 | Lagarto Company, The | Fredericksbrg, TX 78624 | Oil & Gas Operator | Apr 1995 |
| 16106 | Lagerquist, Walter G., Jr. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2005 |
| 16107 | Lagniappe Interest Inc | Evergreen, CO 80439 | Oil & Gas Operator | Jun 2006 |
| 16108 | Lagniappe Interests, Inc. | | Oil & Gas Operator | Dec 2003 |
| 16109 | Lagniappe Operating, LLC | | Oil Operator | Dec 2024 |
| 16110 | Lagniappe Petrole LLC | | Oil & Gas Operator | Dec 2024 |
| 16111 | Lago Petroleum Co. | | Oil & Gas Operator | Jan 1992 |
| 16112 | Lago VIsta Operating, L.L.C. | | Oil Operator | Dec 2024 |
| 16113 | Lagoon Water Logistics LLC | Oklahoma City, OK 73104 | Oil Operator | Jul 2024 |
| 16114 | Laguna County Sanitation District | | Oil & Gas Operator | Dec 2003 |
| 16115 | Laguna Oil & Gas Corp. | Weesatche, TX 77993 | Oil & Gas Operator | Nov 2026 |
| 16116 | Laguna Petroleum Company | Casper, WY 82601 | Oil & Gas Operator | Dec 1982 |
| 16117 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Nov 2026 |
| 16118 | Laguna Texas Resources, LLC | Houston, TX 77018 | Oil & Gas Operator | Nov 2026 |
| 16119 | Lahd Energy Inc | Canton, OH 44709 | Gas Operator | Dec 2009 |
| 16120 | Lahoma Gas Company | | Gas Operator | Dec 1980 |
| 16121 | Lahoma Operating, Inc. | | Oil & Gas Operator | Aug 2026 |
| 16122 | Lahoma Production Inc | Jenks, OK 74037 | Oil & Gas Operator | Aug 2026 |
| 16123 | Lainco Well Service | Hamlin, TX 79520 | Oil & Gas Operator | Dec 1996 |
| 16124 | Lainco Well Service, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Aug 2011 |
| 16125 | Lainco, Inc. | Hamlin, TX 79520 | Oil & Gas Operator | Nov 2026 |
| 16126 | Laird Anita Louise | Asher, OK 74826-3215 | Oil Operator | Jun 2018 |
| 16127 | Laird Bill Oil Company | St Louis, OK 74866 | Oil & Gas Operator | Jul 2026 |
| 16128 | Lake A, LTD. | | Oil Operator | May 1998 |
| 16129 | Lake Cherokee Production, LLC | Bedford, TX 76021 | Oil Operator | Nov 2026 |
| 16130 | Lake Country Disposal II LLC | Wilson, OK 73463 | Oil Operator | May 2026 |
| 16131 | Lake Country Disposal LLC | Ardmore, OK 73401 | Oil Operator | Oct 2024 |
| 16132 | Lake Crystal Operating LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Nov 2026 |
| 16133 | Lake Energy LLC | Chagrin Falls, OH 44023 | Oil & Gas Operator | Dec 2024 |
| 16134 | Lake Erie Energy Part LLC | Erie, PA 16505-4760 | Oil & Gas Operator | Dec 2012 |
| 16135 | Lake Racourci Gath Sys, LLC | | Oil Operator | May 2004 |
| 16136 | Lake Region Oil Inc | Massillon, OH 44648 | Oil & Gas Operator | Dec 2025 |
| 16137 | Lake Ronel Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Jul 2017 |
| 16138 | Lakehills Production, Inc. | Austin, TX 78701 | Oil & Gas Operator | Nov 2026 |
| 16139 | Lakeland Pipeline Inc | Hominy, OK 74035-1006 | Oil & Gas Operator | Jun 2023 |
| 16140 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Nov 2026 |
| 16141 | Lakeshore Petroleum Corp. | | Oil & Gas Operator | Dec 1992 |
| 16142 | Lakeside Resources | | Oil & Gas Operator | Mar 1989 |
| 16143 | Lakewood Disposal LLC | Tulsa, OK 74136-1031 | Oil Operator | Aug 2018 |
| 16144 | Lakewood Energy LLC | Dallas, TX 75214 | Oil & Gas Operator | Nov 2026 |
| 16145 | Lakewood Energy Solutions LLC | | Oil Operator | Jun 2016 |
| 16146 | Lakewood Oil Company LLC | Mission Hills, KS 66208-2735 | Oil & Gas Operator | May 2013 |
| 16147 | Lakewood Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Nov 2026 |
| 16148 | Lakewood Petroleum | | Oil & Gas Operator | Sep 1993 |
| 16149 | Lakota Energy, LTD. | Paradise, TX 76073 | Oil & Gas Operator | Nov 2026 |
| 16150 | Lakota Oil & Gas | Comanche, OK 73529-9602 | Oil & Gas Operator | May 2014 |
| 16151 | Lakota Partnership | Denver, CO 80202 | Oil Operator | Oct 1990 |
| 16152 | Laloc | Aspermont, TX 79502 | Oil & Gas Operator | Sep 2025 |
| 16153 | Lam Financial Holdings LTD | Greenwood VIllage, CO 80111 | Oil Operator | Aug 2026 |
| 16154 | Lama Energy, L.L.C. | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 16155 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Jul 2026 |
| 16156 | Lamar Energy | Nocona, TX 76255 | Oil Operator | Nov 2026 |
| 16157 | Lamar Energy LLC | | Oil & Gas Operator | Aug 2026 |
| 16158 | Lamar Hunt | | Oil & Gas Operator | Oct 2003 |
| 16159 | Lamar Hunt Trust Est Etal | | Oil & Gas Operator | Aug 1996 |
| 16160 | Lamar Hunt Trust Est. | | Oil & Gas Operator | Mar 1978 |
| 16161 | Lamar Matlock | | Oil Operator | Jan 2025 |
| 16162 | Lamar Oil & Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 16163 | Lamar Oil & Gas Exploration | | Gas Operator | Oct 2013 |
| 16164 | Lamar Oil & Gas, Inc. | Corpus Christ, TX 78413 | Oil & Gas Operator | Nov 2026 |
| 16165 | Lamar Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Oct 2015 |
| 16166 | Lamar Smith | | Oil Operator | Aug 1991 |
| 16167 | Lamarsa Corp. | Cut Bank, MT 59427 | Oil & Gas Operator | Jul 2026 |
| 16168 | Lamay Corporation | Rosenberg, TX 77471 | Oil & Gas Operator | Nov 2026 |
| 16169 | Lamb & Mize | Azle, TX 76020 | Oil & Gas Operator | Nov 2026 |
| 16170 | Lamb Alan L | Oklahoma City, OK 73120-7824 | Oil & Gas Operator | Feb 2020 |
| 16171 | Lamb, James L., Jr. | Austin, TX 78750 | Oil & Gas Operator | Mar 2016 |
| 16172 | Lambda Energy Resources LLC | | Oil & Gas Operator | Sep 2026 |
| 16173 | Lambdin William H | Oklahoma City, OK 73120 | Oil & Gas Operator | Nov 1998 |
| 16174 | Lambeck Petroleum, LLC | Stockdale, TX 78160 | Oil Operator | Nov 2026 |
| 16175 | Lamberd, Clayton | Olathe, KS 66061 | Oil Operator | May 2026 |
| 16176 | Lambert Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Jul 2026 |
| 16177 | Lambert Company The | Healdton, OK 73438-0962 | Oil & Gas Operator | Feb 2023 |
| 16178 | Lamberton Oil Co Inc | Tulsa, OK 74107 | Oil & Gas Operator | May 2013 |
| 16179 | Lamberton W J | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2015 |
| 16180 | Lamco Oil, LLC | Nocona, TX 76255 | Oil & Gas Operator | Nov 2026 |
| 16181 | Lamima Corporation | Ardmore, OK 73401 | Oil Operator | Nov 1994 |
| 16182 | Lamkin Oil Company | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 16183 | Laml Compaines LLC | Cleveland, OK 74020 | Oil Operator | Jul 2026 |
| 16184 | Lammerts Robert P | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2002 |
| 16185 | Lampert Exploration Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 16186 | Lamson Petroleum Corporation | | Oil & Gas Operator | Mar 1993 |
| 16187 | Lamson/Crocker Petroleum Corp. | | Oil & Gas Operator | May 1988 |
| 16188 | Lamson/Onshore Petroleum Corp. | | Oil & Gas Operator | Sep 1985 |
| 16189 | Lan Ma'S Oil And Gas LLC | Sugar Land, TX 77479 | Oil Operator | Dec 2025 |
| 16190 | Lancaster, Randy L. Dba Heritage Oil & Gas | Middlebourne, WV 26149 | Oil & Gas Operator | Dec 2021 |
| 16191 | Lance Exploration Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 1994 |
| 16192 | Lance Gas & Oil Productions | | Oil & Gas Operator | Jan 2025 |
| 16193 | Lance Leasing | Odessa, TX 79765 | Oil Operator | Nov 2026 |
| 16194 | Lance Oil & Gas Company Inc | Kirtland, NM 87417 | Oil & Gas Operator | Mar 2013 |
| 16195 | Lance Oil & Gas Productions | Bloomburg, TX 75556 | Oil & Gas Operator | Nov 2026 |
| 16196 | Lance Ruffel Oil & Gas LLC | Oklahoma City, OK 73102-5632 | Oil & Gas Operator | Aug 2026 |
| 16197 | Lancer Energy Corporation | Oklahoma City, OK 73132-5903 | Oil & Gas Operator | May 2015 |
| 16198 | Lancer Oil, Inc. | Piqua, KS 66761 | Oil Operator | May 2005 |
| 16199 | Lancer Petroleum Corporation | Irving, TX 75014 | Oil & Gas Operator | Feb 2014 |
| 16200 | Lancer Resources Company | | Oil & Gas Operator | Jan 1998 |