| 17101 | Levinson Silvan E | Tulsa, OK 74119 | Oil & Gas Operator | Feb 2012 |
| 17102 | Levisay Operating Co. | Brownwood, TX 76801 | Oil & Gas Operator | Dec 2025 |
| 17103 | Lewbet Inc | Perry, OK 73077 | Oil & Gas Operator | Aug 2024 |
| 17104 | Lewis & Clark Exploration | | Oil Operator | Feb 1989 |
| 17105 | Lewis & Hays | Albany, TX 76430 | Oil & Gas Operator | Feb 2002 |
| 17106 | Lewis & Manziel | | Oil Operator | Apr 1989 |
| 17107 | Lewis A. Hembree Production Company | Shawnee, OK 74801 | Oil & Gas Operator | Aug 2025 |
| 17108 | Lewis Energy LLC | Tulsa, OK 74159 | Oil Operator | Aug 2025 |
| 17109 | Lewis Heirs 480, LLC | Bryson, TX 76427 | Oil & Gas Operator | Dec 2025 |
| 17110 | Lewis J K | Duncan, OK 73534-1742 | Oil & Gas Operator | Apr 2015 |
| 17111 | Lewis James D Oil Company | Healdton, OK 73438 | Oil Operator | Aug 2025 |
| 17112 | Lewis John L Well Service | Sasakwa, OK 74867 | Oil Operator | May 2013 |
| 17113 | Lewis Oil & Gas Of Galva, Inc. | Galva, KS 67443 | Oil Operator | Jun 2025 |
| 17114 | Lewis Oil And Gas Inc | Midland, TX 79710 | Oil & Gas Operator | Jun 2025 |
| 17115 | Lewis Oil Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Aug 2025 |
| 17116 | Lewis Oil Operations LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Aug 2025 |
| 17117 | Lewis Operating Company | Holliday, TX 76366 | Oil & Gas Operator | Dec 2025 |
| 17118 | Lewis Petro Properties, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2025 |
| 17119 | Lewis Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Jul 1995 |
| 17120 | Lewis Williams | | Oil & Gas Operator | Feb 1991 |
| 17121 | Lewis Yale H | | Oil & Gas Operator | Aug 1986 |
| 17122 | Lewis, Bryan | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 17123 | Lewis, Freddie | | Oil Operator | Dec 2023 |
| 17124 | Lewis, James B. Land & Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Nov 1998 |
| 17125 | Lewis, R. J. Oil Company | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2014 |
| 17126 | Lewis, T. K. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2025 |
| 17127 | Lewis, William T. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 17128 | Lex And Lace Petroleum, LLC | Houston, TX 77269 | Oil Operator | Dec 2025 |
| 17129 | Lexgas, Inc. | Roanoke, TX 76262 | Oil & Gas Operator | Dec 2025 |
| 17130 | Lexico Exploration | | Oil Operator | Mar 1986 |
| 17131 | Lexicon Resources Corporation | | Oil & Gas Operator | Apr 1986 |
| 17132 | Lexus Gas Corporation | Roanoke, TX 76262 | Oil & Gas Operator | Jul 2005 |
| 17133 | LG&S Oil Company, LLC | Lovington, NM 88260 | Oil Operator | Aug 2025 |
| 17134 | LGDC Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2025 |
| 17135 | LGS Exploration Program | | Gas Operator | Jul 1990 |
| 17136 | LGS Exploration, Inc. | | Oil & Gas Operator | Jan 1991 |
| 17137 | LH Oil, LLC | Ottawa, KS 66067 | Oil Operator | Jun 2025 |
| 17138 | LH Operating, LLC | Fulshear, TX 77441 | Oil & Gas Operator | Oct 2025 |
| 17139 | LHC Petroleum Corporation | | Oil & Gas Operator | Jul 2001 |
| 17140 | Li'L Sugar Oil Company | | Oil Operator | Nov 2019 |
| 17141 | Libertad Operating LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 17142 | Liberty Enterpri | | Oil Operator | Jan 1987 |
| 17143 | Liberty Exploration Co. | | Oil Operator | Apr 1987 |
| 17144 | Liberty Head Petroleum, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Sep 2017 |
| 17145 | Liberty National Corp | Dallas, TX 75206 | Oil Operator | Dec 2006 |
| 17146 | Liberty Oil & Gas Co., Inc. | | Oil Operator | Feb 1991 |
| 17147 | Liberty Oil & Gas Corp | Olney, IL 62450-2489 | Oil & Gas Operator | Dec 2021 |
| 17148 | Liberty Oper & Compl, Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2022 |
| 17149 | Liberty Operating Company, Inc. | Lake Dallas, TX 75065 | Oil & Gas Operator | Mar 2008 |
| 17150 | Liberty Operating Company,LLC | | Oil & Gas Operator | Aug 2025 |
| 17151 | Liberty Operating Inc | Norman, OK 73069-8225 | Oil & Gas Operator | Dec 2024 |
| 17152 | Liberty Operations & Completion, Inc | Plainville, KS 67663 | Oil Operator | Jun 2025 |
| 17153 | Liberty Pioneer Energy Source, Inc | Provo, UT 84604 | Oil & Gas Operator | Oct 2021 |
| 17154 | Liberty Production Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 17155 | Liberty Resources Co. | Big Lake, TX 76932 | Oil & Gas Operator | Mar 1994 |
| 17156 | Liberty Resources LLC | | Oil & Gas Operator | May 2014 |
| 17157 | Liberty Resources Management Co LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 17158 | Liberty Resources, Inc. | | Oil & Gas Operator | Dec 2024 |
| 17159 | Liberty Southern Energy LLC | | Oil & Gas Operator | Jan 2014 |
| 17160 | Liboc, Inc. | New York, NY 10110 | Oil & Gas Operator | Dec 2009 |
| 17161 | Libom Oil Company | Elmsford, NY 10523 | Oil & Gas Operator | Aug 2003 |
| 17162 | Libra Oil Co., Inc. | | Oil & Gas Operator | Nov 1986 |
| 17163 | Licking Valley Construction Co., Inc. | | Oil & Gas Operator | Dec 2016 |
| 17164 | Liedtke Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2022 |
| 17165 | Lif-Tex Oil Recovery, Inc. | Luling, TX 78648 | Oil Operator | Dec 2025 |
| 17166 | Light Resources | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2013 |
| 17167 | Lighthizer Charles O | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1997 |
| 17168 | Lighthouse Exploration, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 2007 |
| 17169 | Lighthouse Operating, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Jun 2021 |
| 17170 | Lightner Harry A | | Oil & Gas Operator | May 2013 |
| 17171 | Lightning Oil Co LTD | Mentor, OH 44060-4963 | Gas Operator | Dec 1998 |
| 17172 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2025 |
| 17173 | Lightning Productions, Inc. | | Oil & Gas Operator | Mar 1990 |
| 17174 | Lignum Oil Co | | Oil & Gas Operator | Dec 1989 |
| 17175 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 17176 | Likover Oil Company | Houston, TX 77024 | Oil & Gas Operator | Mar 2005 |
| 17177 | Lil Dab Petroleum Inc | Ringling, OK 73456 | Oil Operator | Aug 2025 |
| 17178 | Lil-Mor Oil Company | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 17179 | Lilis Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Aug 2017 |
| 17180 | Lillard Pipe & Supply Inc | Shawnee, OK 74802-0847 | Oil & Gas Operator | Nov 2014 |
| 17181 | Lilley, C.C., Inc. | Dallardsville, TX 77332 | Oil & Gas Operator | Dec 2025 |
| 17182 | Lillis, Michael D. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 17183 | Limark Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2003 |
| 17184 | Lime Creek Enterprises | Aztec, NM 87410 | Oil & Gas Operator | Aug 2008 |
| 17185 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Aug 2025 |
| 17186 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Aug 2025 |
| 17187 | Lime Rock Resources III-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 17188 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 17189 | Lime Rock Resources V-A, L.P. | | Oil & Gas Operator | Oct 2025 |
| 17190 | Limestone Exploration II, LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2019 |
| 17191 | Limestone Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2011 |
| 17192 | Limestone Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2002 |
| 17193 | Limestone Productions | Bartlesville, OK 74006-8229 | Oil & Gas Operator | Sep 2013 |
| 17194 | Limited Resources | Perryton, TX 79070 | Oil & Gas Operator | Aug 2003 |
| 17195 | Linam Harry Dba Sooner State Production | Marlow, OK 73055-0583 | Oil & Gas Operator | Apr 2015 |
| 17196 | Linam Richard Dwayne | Marlow, OK 73055-8658 | Oil Operator | Aug 2025 |
| 17197 | Linan Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 17198 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Dec 2025 |
| 17199 | Lincero LLC | Sinclair, WY 82334 | Oil Operator | Nov 2025 |
| 17200 | Linco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Dec 2025 |