| 17001 | LH Operating, LLC | Fulshear, TX 77441 | Oil & Gas Operator | Jul 2025 |
| 17002 | LHC Petroleum Corporation | | Oil & Gas Operator | Jul 2001 |
| 17003 | Li'L Sugar Oil Company | | Oil Operator | Nov 2019 |
| 17004 | Libertad Operating LLC | Midland, TX 79705 | Oil & Gas Operator | Sep 2025 |
| 17005 | Liberty Enterpri | | Oil Operator | Jan 1987 |
| 17006 | Liberty Exploration Co. | | Oil Operator | Apr 1987 |
| 17007 | Liberty Head Petroleum, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Sep 2017 |
| 17008 | Liberty National Corp | Dallas, TX 75206 | Oil Operator | Dec 2006 |
| 17009 | Liberty Oil & Gas Co., Inc. | | Oil Operator | Feb 1991 |
| 17010 | Liberty Oil And Gas Corp. | Olney, IL 62450-2489 | Oil & Gas Operator | Dec 2021 |
| 17011 | Liberty Oper & Compl, Inc | Plainville, KS 67663 | Oil & Gas Operator | Dec 2022 |
| 17012 | Liberty Operating Company, Inc. | Lake Dallas, TX 75065 | Oil & Gas Operator | Mar 2008 |
| 17013 | Liberty Operating Company,LLC | | Oil & Gas Operator | Jul 2025 |
| 17014 | Liberty Operating Inc | Norman, OK 73069-8225 | Oil & Gas Operator | Dec 2024 |
| 17015 | Liberty Operations & Completion, Inc | Plainville, KS 67663 | Oil Operator | Apr 2025 |
| 17016 | Liberty Pioneer Energy Source, Inc | Provo, UT 84604 | Oil & Gas Operator | Oct 2021 |
| 17017 | Liberty Production Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1994 |
| 17018 | Liberty Resources Co. | Big Lake, TX 76932 | Oil & Gas Operator | Mar 1994 |
| 17019 | Liberty Resources LLC | | Oil & Gas Operator | May 2014 |
| 17020 | Liberty Resources Management Co LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2025 |
| 17021 | Liberty Resources, Inc. | | Oil & Gas Operator | Dec 2024 |
| 17022 | Liberty Southern Energy LLC | | Oil & Gas Operator | Jan 2014 |
| 17023 | Liboc, Inc. | New York, NY 10110 | Oil & Gas Operator | Dec 2009 |
| 17024 | Libom Oil Company | Elmsford, NY 10523 | Oil & Gas Operator | Aug 2003 |
| 17025 | Libra Oil Co., Inc. | | Oil & Gas Operator | Nov 1986 |
| 17026 | Licking Valley Construction Co., Inc. | | Oil & Gas Operator | Dec 2016 |
| 17027 | Liedtke Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2022 |
| 17028 | Lif-Tex Oil Recovery, Inc. | Luling, TX 78648 | Oil Operator | Sep 2025 |
| 17029 | Light Resources | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2013 |
| 17030 | Lighthizer Charles O | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1997 |
| 17031 | Lighthouse Exploration, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 2007 |
| 17032 | Lighthouse Operating, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Jun 2021 |
| 17033 | Lightner Harry A | | Oil & Gas Operator | May 2013 |
| 17034 | Lightning Oil Co LTD | Mentor, OH 44060-4963 | Gas Operator | Dec 1998 |
| 17035 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2025 |
| 17036 | Lightning Productions, Inc. | | Oil & Gas Operator | Mar 1990 |
| 17037 | Lignum Oil Company | | Oil & Gas Operator | Dec 1989 |
| 17038 | Likins-Foster Honolulu Corp | Foster City, CA 94404 | Oil & Gas Operator | Feb 2015 |
| 17039 | Likover Oil Company | Houston, TX 77024 | Oil & Gas Operator | Mar 2005 |
| 17040 | Lil Dab Petroleum Inc | Ringling, OK 73456 | Oil Operator | Jun 2025 |
| 17041 | Lil-Mor Oil Company | Tulsa, OK 74105 | Oil Operator | Dec 2000 |
| 17042 | Lilis Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Aug 2017 |
| 17043 | Lillard Pipe & Supply Inc | Shawnee, OK 74802-0847 | Oil & Gas Operator | Nov 2014 |
| 17044 | Lilley, C.C., Inc. | Dallardsville, TX 77332 | Oil & Gas Operator | Sep 2025 |
| 17045 | Lillis, Michael D. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 17046 | Limark Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2003 |
| 17047 | Lime Creek Enterprises | Aztec, NM 87410 | Oil & Gas Operator | Aug 2008 |
| 17048 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 17049 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 17050 | Lime Rock Resources III-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 17051 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2025 |
| 17052 | Lime Rock Resources V-A, LP | | Oil & Gas Operator | Jul 2025 |
| 17053 | Limestone Exploration II, LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2019 |
| 17054 | Limestone Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2011 |
| 17055 | Limestone Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2002 |
| 17056 | Limestone Productions | Bartlesville, OK 74006-8229 | Oil & Gas Operator | Sep 2013 |
| 17057 | Limited Resources | Perryton, TX 79070 | Oil & Gas Operator | Aug 2003 |
| 17058 | Linam Harry Dba Sooner State Production | Marlow, OK 73055-0583 | Oil & Gas Operator | Apr 2015 |
| 17059 | Linam Richard Dwayne | Marlow, OK 73055-8658 | Oil Operator | Nov 2024 |
| 17060 | Linan Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Sep 2025 |
| 17061 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Sep 2025 |
| 17062 | Lincero LLC | Sinclair, WY 82334 | Oil Operator | Jun 2025 |
| 17063 | Linco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Sep 2025 |
| 17064 | Lincoln 77, Inc. | Chanute, KS 66720 | Oil Operator | Dec 2001 |
| 17065 | Lincoln Energy Corporation | Dennis, MA 02638 | Oil & Gas Operator | Dec 2021 |
| 17066 | Lincoln Energy Partners, LLC | Graham, TX 76450 | Oil Operator | Sep 2025 |
| 17067 | Lincoln MGMT Co | Greensburg, PA 15601-5200 | Oil & Gas Operator | Dec 2017 |
| 17068 | Lincoln Oil Well Service | Riverside, IL 60546 | Oil & Gas Operator | Dec 1990 |
| 17069 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
| 17070 | Lincoln Tank Truck Service Inc | Stroud, OK 74079-0662 | Oil & Gas Operator | May 2013 |
| 17071 | Lincoln Ventures LLC | Inola, OK 74036-5035 | Oil & Gas Operator | Jun 2025 |
| 17072 | Lind Oil & Gas | Tulsa, OK 74136 | Gas Operator | Nov 2000 |
| 17073 | Lindell & Maney | Warren, PA 16365-3643 | Oil & Gas Operator | Dec 2008 |
| 17074 | Lindell & Maney LLC | Warren, PA 16365-3670 | Oil & Gas Operator | Dec 2024 |
| 17075 | Lindemann, James D. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 17076 | Lindemann, Robert Operating | Holliday, TX 76366 | Oil & Gas Operator | Sep 2025 |
| 17077 | Lindemann, W. L., DRLG. Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1994 |
| 17078 | Lindemann, W.L., Oper. Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2006 |
| 17079 | Lindenmuth & Associates | | Oil & Gas Operator | Aug 2001 |
| 17080 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Jun 2025 |
| 17081 | Lindenmuth & Associates, Etex | Austin, TX 78703 | Oil & Gas Operator | Jun 2002 |
| 17082 | Linder Energy/La General Oil | | Oil & Gas Operator | Mar 1989 |
| 17083 | Linder Oil Company | | Oil & Gas Operator | Apr 1985 |
| 17084 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Sep 2025 |
| 17085 | Linder, John G. Jr. | Gladewater, TX 75647 | Oil & Gas Operator | Apr 2005 |
| 17086 | Linder, John Operating Co., LLC | Gladewater, TX 75647 | Oil & Gas Operator | Sep 2025 |
| 17087 | Lindholm Oil, Inc. | Mathis, TX 78368 | Gas Operator | Sep 2002 |
| 17088 | Lindley, J. R. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2002 |
| 17089 | Lindow Oil & Gas, LLC | Caldwell, TX 77836 | Oil & Gas Operator | Sep 2025 |
| 17090 | Lindsay Oil Operations | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2010 |
| 17091 | Lindsay, Dick | Graham, TX 76450 | Oil & Gas Operator | May 2015 |
| 17092 | Lindsay, Robert L. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 1995 |
| 17093 | Lindsey, W W | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2023 |
| 17094 | Lindsey, W W & Elliott, W E | | Oil & Gas Operator | Dec 2023 |
| 17095 | Lindsey, W W & Elliott, W E Dba Lindsey & Elliott | | Oil & Gas Operator | Dec 2023 |
| 17096 | Lindsey, W W Et Al | | Gas Operator | Dec 2023 |
| 17097 | Lindstrom, Bruce C. | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 17098 | Line Energy LLC | Columbus, NE 68601 | Oil Operator | Apr 2025 |
| 17099 | Line, Jerry W., SR. | Tulsa, OK 74137 | Oil Operator | Nov 1996 |
| 17100 | Link Oil Company (The) | Tulsa, OK 74103-4113 | Oil & Gas Operator | Jan 2014 |