| 1201 | Guffey, WM. R. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2015 |
| 1202 | Gugli Corporation | Ada, OK 74821-1527 | Oil & Gas Operator | Sep 2014 |
| 1203 | Guidance Oil Developers | Boerne, TX 78006 | Oil & Gas Operator | Apr 2024 |
| 1204 | Guidance Oil Developers, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 1205 | Guidance Oil Developers,Inc.(1) | Boerne, TX 78006 | Oil Operator | Apr 2024 |
| 1206 | Guido & Arnold | | Oil & Gas Operator | Feb 1982 |
| 1207 | Guido Energy Co & Guernsey Pet | | Oil Operator | Aug 1991 |
| 1208 | Guido Production Co Inc | | Oil Operator | May 1995 |
| 1209 | Guidon Energy MGMT Services LLC | Irving, TX 75062 | Oil & Gas Operator | Dec 2020 |
| 1210 | Guin, Don L. | Flint, TX 75762 | Oil & Gas Operator | Apr 2018 |
| 1211 | Guinn David E | Cleveland, OK 74020-0603 | Oil & Gas Operator | Dec 2023 |
| 1212 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |
| 1213 | Guinn Oil Company | Lockhart, TX 78644 | Oil & Gas Operator | Apr 2024 |
| 1214 | Guinn Operating Company | Spring Branch, TX 78070 | Oil & Gas Operator | Feb 2014 |
| 1215 | Guinn Operating Company, LLC | San Antonio, TX 78260 | Oil Operator | Apr 2024 |
| 1216 | Guinotte Company LLC | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 1217 | Gulf Bend Resources, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2016 |
| 1218 | Gulf Central Petroleum Corp. | Dallas, TX 75252 | Oil & Gas Operator | Apr 2024 |
| 1219 | Gulf Coast Crude O&G Co., Inc. | | Oil & Gas Operator | May 1982 |
| 1220 | Gulf Coast Energy, Co. | Alvin, TX 77511 | Oil & Gas Operator | Apr 2021 |
| 1221 | Gulf Coast Fuel Resources LLC | Kingwood, TX 77339 | Oil Operator | Jan 2022 |
| 1222 | Gulf Coast Mineral, LLC | Foley, AL 36535 | Oil & Gas Operator | Jul 2021 |
| 1223 | Gulf Coast Operations, LLC | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 2024 |
| 1224 | Gulf Energy Corporation | Denver, CO 80237 | Oil & Gas Operator | Jun 1987 |
| 1225 | Gulf Energy Exploration Corp. | Austin, TX 78716 | Gas Operator | Apr 2024 |
| 1226 | Gulf Exploration Company, Inc. | | Oil & Gas Operator | Dec 2023 |
| 1227 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2024 |
| 1228 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
| 1229 | Gulf Outlet Resources, L.L.C. | | Oil & Gas Operator | Apr 2008 |
| 1230 | Gulf Pine Energy, LP | | Oil & Gas Operator | Nov 2023 |
| 1231 | Gulf Production Company, Inc. | | Oil & Gas Operator | Nov 2023 |
| 1232 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |
| 1233 | Gulf Refining Co. | | Oil Operator | Dec 2006 |
| 1234 | Gulf Shore Petro. Oper. Co., Inc | Woodland HLS, CA 91367 | Oil & Gas Operator | Apr 1998 |
| 1235 | Gulf South Minerals, Inc. | | Oil Operator | Nov 1993 |
| 1236 | Gulf South Oil & Gas, Inc. | | Oil & Gas Operator | Feb 1990 |
| 1237 | Gulf South Operators, Inc. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2015 |
| 1238 | Gulf South Pipeline Company, LLC | | Oil & Gas Operator | Jan 2024 |
| 1239 | Gulf South Pipeline Company, LP | Houston, TX 77001 | Oil & Gas Operator | Dec 2020 |
| 1240 | Gulf States Exploration Co. | | Oil & Gas Operator | Dec 1983 |
| 1241 | Gulf States Petro. Corp. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2006 |
| 1242 | Gulf States Pipeline Corp. | | Oil & Gas Operator | May 2003 |
| 1243 | Gulf States Production Company | Houston, TX 77027 | Oil & Gas Operator | Aug 1997 |
| 1244 | Gulf Tech Energy LLC | | Oil & Gas Operator | Dec 2002 |
| 1245 | Gulf Tide Oil Company, The | Houston, TX 77008 | Oil & Gas Operator | Jun 1999 |
| 1246 | Gulfland Resources, Inc. | | Oil & Gas Operator | Aug 1996 |
| 1247 | Gulfmark Energy Inc | Houston, TX 77001 | Gas Operator | Apr 2023 |
| 1248 | Gulfport Appalachia LLC | Oklahoma City, OK 73114-2640 | Oil & Gas Operator | Dec 2023 |
| 1249 | Gulfport Energy Corporation | Oklahoma City, OK 73134-5003 | Oil & Gas Operator | Jan 2024 |
| 1250 | Gulfport Midcon LLC | | Oil & Gas Operator | Jan 2024 |
| 1251 | Gulfport Oil & Gas Inc. | Gulfport, MS 39501 | Oil & Gas Operator | Apr 2024 |
| 1252 | Gulfstar Energy Group, LLC | Caneyville, KY 42721 | Oil & Gas Operator | Dec 2022 |
| 1253 | Gulfstar Properties, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Apr 2024 |
| 1254 | Gulfstream Of Louisiana, Inc. | | Oil & Gas Operator | Jan 1996 |
| 1255 | Gulfstream Oil & Gas, Inc. | Allen, TX 75013 | Oil & Gas Operator | Jun 2018 |
| 1256 | Gulfstream Petroleum Corp. | | Oil & Gas Operator | Feb 2002 |
| 1257 | Gulfstream Resources, Inc. | | Oil & Gas Operator | May 1996 |
| 1258 | Gulftex Energy II, LP | San Antonio, TX 78258 | Oil & Gas Operator | Jan 2013 |
| 1259 | Gulftex Energy III, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2018 |
| 1260 | Gulftex Energy IV, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2019 |
| 1261 | Gulftex Energy, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Apr 2024 |
| 1262 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Apr 2024 |
| 1263 | Gulick Drilling , Inc. | Eureka, KS 67045 | Oil Operator | Dec 2023 |
| 1264 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 1265 | Gungoll Carl E Estate | Oklahoma City, OK 73154-0466 | Oil & Gas Operator | Aug 2000 |
| 1266 | Gungoll Henry H. Associates | Enid, OK 73701 | Oil & Gas Operator | Nov 2023 |
| 1267 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
| 1268 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 1269 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 1270 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 1271 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 1272 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Dec 2023 |
| 1273 | Gunnison Energy Corporation | | Oil & Gas Operator | Jun 2014 |
| 1274 | Gunnison Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 1275 | Gunsight Energy Inc | Floydada, TX 79235-2521 | Oil Operator | Jun 2009 |
| 1276 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 1277 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 1278 | Gunter Jim | Springer, OK 73458-8202 | Oil Operator | Dec 2023 |
| 1279 | Gurley Oil Co | Kirtland, NM 87417 | Oil Operator | Dec 1995 |
| 1280 | Gurnee Gas Co., L.L.C. | | Gas Operator | Jul 2001 |
| 1281 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Dec 2023 |
| 1282 | Gusher Oil | | Oil Operator | Jul 2004 |
| 1283 | Gustafson Brothers Inc. | | Oil & Gas Operator | Dec 2002 |
| 1284 | Gustafson Family Trust 2 | Frewsburg, NY 14738 | Gas Operator | Dec 2022 |
| 1285 | Gustafson, Alan | Falconer, NY 14733 | Gas Operator | Dec 2022 |
| 1286 | Gustison Steven | | Oil Operator | Feb 1985 |
| 1287 | Guthrie Clare L And June | | Oil Operator | Nov 2021 |
| 1288 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 1289 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 1290 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |
| 1291 | Guthrie, Will S. | Pavilion, NY 14525 | Gas Operator | Dec 2022 |
| 1292 | Guynes And Backus | | Oil Operator | Nov 1999 |
| 1293 | Guys Oil & Gas LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2019 |
| 1294 | Guzman Energy Inc. | | Oil & Gas Operator | Dec 2023 |
| 1295 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | Feb 2024 |
| 1296 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Apr 2024 |
| 1297 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |
| 1298 | GWB Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 1299 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Apr 2024 |
| 1300 | Gwitt, Edward J. | Eden, NY 14057 | Gas Operator | Dec 2022 |