| 1201 | Luca Operation, LLC | | Oil & Gas Operator | Feb 2016 |
| 1202 | Lucas Energy, Inc. | Houston, TX 77067 | Oil & Gas Operator | Feb 2017 |
| 1203 | Lucas George C | | Oil Operator | Jul 2014 |
| 1204 | Lucas Well Service, Inc. | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 1205 | Luchshyn Harry E And Dannemiller William F | | Oil & Gas Operator | Dec 1994 |
| 1206 | Lucky Ace Petroleum LLC | Carrollton, TX 75010-4232 | Oil Operator | Oct 2021 |
| 1207 | Lucky Bird Too | Borger, TX 79008 | Oil & Gas Operator | Apr 2024 |
| 1208 | Lucky Crude, LLC | Erie, KS 66733 | Oil Operator | Dec 2023 |
| 1209 | Lucky Four Oil & Gas Company | Sasakwa, OK 74867-0172 | Oil & Gas Operator | Jan 2024 |
| 1210 | Lucky Iron | | Oil Operator | Dec 2023 |
| 1211 | Lucky Lad Energy, LLC | Conroe, TX 77305 | Oil & Gas Operator | Apr 2024 |
| 1212 | Lucky Oil & Gas | Malibu, CA 90265 | Oil & Gas Operator | Apr 2024 |
| 1213 | Lucky Oil Company | Comanche, OK 73529-0009 | Oil Operator | Feb 2024 |
| 1214 | Lucky Run, LLC | | Oil Operator | Dec 2019 |
| 1215 | Lucky Strike Production LLC | | Oil Operator | Jan 2024 |
| 1216 | Luconda Oil | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 1217 | Lucre Oil Company | Muskogee, OK 74401-5099 | Oil & Gas Operator | Jun 2019 |
| 1218 | Lucros International Corporation | Van Buren, AR 72956 | Oil & Gas Operator | Apr 2024 |
| 1219 | Ludco Inc | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1986 |
| 1220 | Ludlow Oil & Gas Company LLC | New Matamoras, OH 45767-5058-5058 | Oil & Gas Operator | Dec 2023 |
| 1221 | Ludwig Cleo R | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1987 |
| 1222 | Luff Exploration | Denver, CO 80203 | Oil & Gas Operator | Dec 2006 |
| 1223 | Luff Exploration Company | Denver, CO 80203 | Oil & Gas Operator | Feb 2024 |
| 1224 | Luffey Gas Corp. | | Gas Operator | Dec 2008 |
| 1225 | Luffey Gas Corp.-Graff | | Gas Operator | Oct 1994 |
| 1226 | Luffey-Stinson Gas Corporation | | Gas Operator | Sep 2018 |
| 1227 | Lufkin Production Company Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2024 |
| 1228 | Lukan, James | Hamburg, NY 14075 | Gas Operator | Dec 2022 |
| 1229 | Luke Oil Company | Bristow, OK 74010-1257 | Oil & Gas Operator | Feb 2024 |
| 1230 | Luke, D.L. Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2024 |
| 1231 | Luke, W. J. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2013 |
| 1232 | Luling O&G LLC | Cibolo, TX 78108 | Oil & Gas Operator | Apr 2024 |
| 1233 | Luling Oil & Gas Co Inc | San Antonio, TX 78209 | Oil Operator | Dec 1986 |
| 1234 | Luling Well Service | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 1235 | Luloc Oil Co. | Lockhart, TX 78644 | Oil & Gas Operator | Aug 2003 |
| 1236 | Lulu & Thomas Kavouras | Apollo, PA 15613-1108 | Oil & Gas Operator | Dec 2023 |
| 1237 | Lumbley, W. F. | Hobbs, NM 88242 | Oil & Gas Operator | Jan 2008 |
| 1238 | Lunar Investments Inc | Oklahoma City, OK 73118-4823 | Oil & Gas Operator | Jan 2024 |
| 1239 | Lunar Oil Company | Midland, TX 79708 | Oil & Gas Operator | Feb 1999 |
| 1240 | Lundberg Oil Co. | Dallas, TX 75360 | Oil & Gas Operator | Jan 2003 |
| 1241 | Lundberg Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Oct 2002 |
| 1242 | Lundells, Inc. | Freer, TX 78357 | Oil & Gas Operator | Jan 1995 |
| 1243 | Lundvall Oil & Gas Inc | | Oil & Gas Operator | Jan 2023 |
| 1244 | Lundy, Richard C. | Pampa, TX 79066 | Oil & Gas Operator | Aug 1997 |
| 1245 | Lunge, James & Sally | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 1246 | Lunn, Will | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 1997 |
| 1247 | Luoil Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2023 |
| 1248 | Luray Oil Co., L.L.C. | | Oil Operator | Jan 2024 |
| 1249 | Lusk & Lusk, Inc. | | Oil & Gas Operator | Jul 1984 |
| 1250 | Lusk Nominee Trust | Houston, TX 77098 | Oil & Gas Operator | Jul 2019 |
| 1251 | Lusk Operating LLC | Denver, CO 80202 | Oil Operator | Jun 2017 |
| 1252 | Lutex Oil, LTD. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 1253 | Luther Oil Inc | Cameron Park, CA 95682-8865 | Oil & Gas Operator | Apr 2020 |
| 1254 | Luther W. Davis | | Oil & Gas Operator | Jun 1996 |
| 1255 | Luttrell, T. Bruce Oil & Gas Opr | Freer, TX 78357 | Oil & Gas Operator | Mar 2008 |
| 1256 | Lutz And Boyd | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 1257 | Lutz, Jerry | Reed City, MI 49677 | Gas Operator | Apr 1987 |
| 1258 | Lutz, Lisa Morgan | Fayetteville, AR 72702 | Oil Operator | Dec 2023 |
| 1259 | Lutz, Scott T. Trust | Fayetteville, AR 72702 | Oil Operator | Mar 2011 |
| 1260 | Lutz, Scott Thomas, Estate Of | Fayetteville, AR 72703 | Oil Operator | Aug 1996 |
| 1261 | Lutz, Thomas C. | | Oil Operator | Dec 2009 |
| 1262 | Luvwell Holdings | Tyler, TX 75701 | Oil Operator | Apr 2024 |
| 1263 | Luween Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 1264 | Luxe Operating LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2021 |
| 1265 | Luxor Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2017 |
| 1266 | Lvi Enterprises Trust | Plano, TX 75093-7789 | Oil & Gas Operator | Nov 2014 |
| 1267 | LVM Oil Production LLC | Yale, OK 74085-6688 | Oil & Gas Operator | Jul 2021 |
| 1268 | LVW, Inc. | | Oil & Gas Operator | Jan 2024 |
| 1269 | LW Operating Co. | Wichita Falls, TX 76310 | Oil Operator | Apr 2024 |
| 1270 | Lwood Energy, Inc. | | Oil Operator | Dec 2002 |
| 1271 | LX4 LLC | | Oil Operator | Jan 2024 |
| 1272 | LXS Inc | Stigler, OK 74462-0506 | Gas Operator | Nov 2013 |
| 1273 | Lyco Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Jun 2015 |
| 1274 | Lyco Operating Company | Dallas, TX 75206 | Gas Operator | Dec 1997 |
| 1275 | Lyda Gerald SR X Bar Ranch | San Antonio, TX 78268-0907 | Oil & Gas Operator | Feb 1994 |
| 1276 | Lydic, W. J., Inc. | Zanesville, OH 43702-2310-2310 | Oil & Gas Operator | Jan 2005 |
| 1277 | Lyle Cashion Company | | Oil & Gas Operator | Sep 1989 |
| 1278 | Lyle Energy & Development, Inc | | Oil Operator | Dec 2008 |
| 1279 | Lyles, Phillip | Madisonville, KY 42431 | Oil & Gas Operator | Dec 2022 |
| 1280 | Lymac Exploration And Production, LLC | | Oil & Gas Operator | Jul 2016 |
| 1281 | Lyn-Que Oil & Gas, Inc. | | Oil Operator | Sep 1992 |
| 1282 | Lyn-San Company | Midland, TX 79708 | Oil & Gas Operator | Dec 2018 |
| 1283 | Lynal, Inc. | | Oil & Gas Operator | Oct 1988 |
| 1284 | Lynal, Inc.- Michel T Halbouty | | Oil & Gas Operator | Oct 1984 |
| 1285 | Lynan Energy Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | May 2013 |
| 1286 | Lynbrook Oil Company | Houston, TX 77057 | Oil & Gas Operator | Dec 2008 |
| 1287 | Lynch, W. W. | San Antonio, TX 78205 | Oil & Gas Operator | Jul 2006 |
| 1288 | Lynch, Wilbur Waldo, Estate Of | New Braunfels, TX 78130 | Oil & Gas Operator | Oct 2017 |
| 1289 | Lynco Oilfield Equipment, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Aug 2003 |
| 1290 | Lynco Production Company | Dallas, TX 75243 | Oil & Gas Operator | Nov 1999 |
| 1291 | Lynd, J. L., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2009 |
| 1292 | Lyndum, Inc. | Weatherford, TX 76088 | Oil & Gas Operator | Oct 2009 |
| 1293 | Lyne Energy Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 1294 | Lynn Creek Energy | McKinney, TX 75071 | Oil & Gas Operator | Nov 2015 |
| 1295 | Lynn Creek Oil Company | Allen, TX 75002 | Oil & Gas Operator | Apr 2020 |
| 1296 | Lynn Creek Oil Partnership, II | Dallas, TX 75243 | Oil & Gas Operator | Oct 2003 |
| 1297 | Lynn Creek Production Company | Allen, TX 75002 | Oil & Gas Operator | Dec 2011 |
| 1298 | Lynn William R | Pawhuska, OK 74056 | Oil & Gas Operator | May 2013 |
| 1299 | Lynx Energy Company, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2008 |
| 1300 | Lynx Oil Co., Inc. | Denton, TX 76207 | Oil & Gas Operator | Sep 2003 |