| 6201 | Liberty Head Petroleum, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Sep 2017 |
| 6202 | Liberty National Corp | Dallas, TX 75206 | Oil Operator | Dec 2006 |
| 6203 | Liberty Operating Company, Inc. | Lake Dallas, TX 75065 | Oil & Gas Operator | Mar 2008 |
| 6204 | Liberty Resources Co. | Big Lake, TX 76932 | Oil & Gas Operator | Mar 1994 |
| 6205 | Libom Oil Company | Elmsford, NY 10523 | Oil & Gas Operator | Aug 2003 |
| 6206 | Lif-Tex Oil Recovery, Inc. | Luling, TX 78648 | Oil Operator | Apr 2024 |
| 6207 | Light Resources | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2013 |
| 6208 | Lighthouse Exploration, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 2007 |
| 6209 | Lighthouse Operating, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Jun 2021 |
| 6210 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
| 6211 | Likover Oil Company | Houston, TX 77024 | Oil & Gas Operator | Mar 2005 |
| 6212 | Lilis Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Aug 2017 |
| 6213 | Lilley, C.C., Inc. | Dallardsville, TX 77332 | Oil & Gas Operator | Apr 2024 |
| 6214 | Lillis, Michael D. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 6215 | Limark Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2003 |
| 6216 | Lime Creek Enterprises | Aztec, NM 87410 | Oil & Gas Operator | Aug 2008 |
| 6217 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 6218 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2023 |
| 6219 | Lime Rock Resources III-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Feb 2024 |
| 6220 | Lime Rock Resources IV-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 6221 | Limestone Exploration II, LLC | Midland, TX 79704 | Oil & Gas Operator | Jun 2019 |
| 6222 | Limestone Exploration, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2011 |
| 6223 | Limestone Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2002 |
| 6224 | Limited Resources | Perryton, TX 79070 | Oil & Gas Operator | Aug 2003 |
| 6225 | Linan Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
| 6226 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Apr 2024 |
| 6227 | Linco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Apr 2024 |
| 6228 | Lincoln Energy Partners, LLC | Graham, TX 76450 | Oil Operator | Apr 2024 |
| 6229 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
| 6230 | Lindemann, James D. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 6231 | Lindemann, Robert Operating | Holliday, TX 76366 | Oil & Gas Operator | Apr 2024 |
| 6232 | Lindemann, W. L., DRLG. Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 1994 |
| 6233 | Lindemann, W.L., Oper. Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2006 |
| 6234 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Feb 2024 |
| 6235 | Lindenmuth & Associates, Etex | Austin, TX 78703 | Oil & Gas Operator | Jun 2002 |
| 6236 | Linder Oil Company,A Partnership | Shreveport, LA 71136 | Oil & Gas Operator | Apr 2024 |
| 6237 | Linder, John G. Jr. | Gladewater, TX 75647 | Oil & Gas Operator | Apr 2005 |
| 6238 | Linder, John Operating Co., LLC | Gladewater, TX 75647 | Oil & Gas Operator | Apr 2024 |
| 6239 | Lindholm Oil, Inc. | Mathis, TX 78368 | Gas Operator | Sep 2002 |
| 6240 | Lindley, J. R. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2002 |
| 6241 | Lindow Oil & Gas, LLC | Caldwell, TX 77836 | Oil & Gas Operator | Apr 2024 |
| 6242 | Lindsay Oil Operations | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2010 |
| 6243 | Lindsay, Dick | Graham, TX 76450 | Oil & Gas Operator | May 2015 |
| 6244 | Lindsay, Robert L. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 1995 |
| 6245 | Line Energy LLC | Columbus, NE 68601 | Oil Operator | Apr 2024 |
| 6246 | Lineage Oil, LLC | Cary, NC 27512 | Oil Operator | Oct 2023 |
| 6247 | Linkee Operating, Inc. | Sundown, TX 79372 | Oil Operator | Feb 2024 |
| 6248 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 6249 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 6250 | Linop Corporation | Austin, TX 78728 | Oil & Gas Operator | Apr 2024 |
| 6251 | Lion Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2006 |
| 6252 | Lionheart Energy Corporation | Arlington, TX 76017 | Oil & Gas Operator | Apr 2024 |
| 6253 | Lipan Flats Production, L.L.C. | San Angelo, TX 76905 | Oil Operator | Apr 2024 |
| 6254 | Liquid Petroleum Resources, Inc. | Amarillo, TX 79120 | Gas Operator | Apr 2024 |
| 6255 | Lissner, Lindy | Jourdanton, TX 78026 | Oil & Gas Operator | Apr 2024 |
| 6256 | Litchfield Production Co. | Nederland, TX 77627 | Oil & Gas Operator | Apr 2024 |
| 6257 | Little & Whyte Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Mar 2008 |
| 6258 | Little Cypress Oil & Gas, L.L.C. | Fullerton, CA 92834 | Oil Operator | Apr 2024 |
| 6259 | Little Drop Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 6260 | Little Oil & Gas | Pampa, TX 79065 | Oil & Gas Operator | Apr 2024 |
| 6261 | Little, Lou Operating Co., Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2014 |
| 6262 | Little, Quintin Company,Inc.,The | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2024 |
| 6263 | Littlepage, Tommy | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 6264 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
| 6265 | Live Oak Op & Production, L.L.C. | Austin, TX 78759 | Oil & Gas Operator | Nov 2011 |
| 6266 | Live Oak Petroleum, Inc. | Dallas, TX 75251 | Gas Operator | Mar 2001 |
| 6267 | Live Oak Reserves, Inc. | Houston, TX 77019 | Oil & Gas Operator | Apr 2024 |
| 6268 | Lively Energy & Development Corp | Boerne, TX 78015 | Oil & Gas Operator | May 2015 |
| 6269 | Lively Exploration Company | Houston, TX 77063 | Oil & Gas Operator | Apr 2024 |
| 6270 | Livingston, David Oil Company | Haskell, TX 79521 | Oil & Gas Operator | Aug 2003 |
| 6271 | Livingston, F. L. | Megargel, TX 76370 | Oil & Gas Operator | May 2018 |
| 6272 | Lizard Lick Transport, LLC | Grandfalls, TX 79742 | Oil & Gas Operator | Apr 2024 |
| 6273 | LKD Corp. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2018 |
| 6274 | LKKTX 2018, LLC | Burkburnett, TX 76354 | Oil Operator | Apr 2024 |
| 6275 | LKM Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2024 |
| 6276 | Llano Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 6277 | Llewellin Operating Company, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2017 |
| 6278 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
| 6279 | Llog Exploration Offshore, Inc. | Covington, LA 70433 | Oil & Gas Operator | Aug 2004 |
| 6280 | Llog Exploration Texas, L.P. | Covington, LA 70433 | Oil & Gas Operator | Apr 2024 |
| 6281 | Llog Production Company | Metairie, LA 70005 | Oil & Gas Operator | Apr 1995 |
| 6282 | Llox, L.L.C. | Covington, LA 70433 | Oil & Gas Operator | Apr 2024 |
| 6283 | LLR Operating | Pampa, TX 79065 | Oil Operator | Apr 2024 |
| 6284 | LLT Energy, Inc. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 6285 | LMH Energy | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 6286 | LMN Oil And Gas, Inc. | Luling, TX 78648 | Oil & Gas Operator | Mar 2008 |
| 6287 | LMP Exploration Operating, LLC | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Feb 2008 |
| 6288 | LMP Petroleum, Inc. | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Jan 2010 |
| 6289 | LNH Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2006 |
| 6290 | LNR Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 6291 | Lobo Energy, Inc. | Laredo, TX 78044 | Oil & Gas Operator | Nov 1996 |
| 6292 | Lobo Oil Company | Woodson, TX 76491 | Oil & Gas Operator | Sep 1999 |
| 6293 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Nov 2023 |
| 6294 | Lobo Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1995 |
| 6295 | Lobo Resources, LTD. | Houston, TX 77077 | Oil & Gas Operator | Apr 1994 |
| 6296 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 6297 | Lockout Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 6298 | Lode Holdings, LLC | Wichita Falls, TX 76301 | Oil Operator | Apr 2024 |
| 6299 | Lodel Energy Resources Corporati | Denver, CO 80205 | Oil Operator | Apr 2024 |
| 6300 | Lodestone Operating | Portland, TX 78374 | Oil & Gas Operator | Mar 2024 |