| 1201 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | Dec 2025 |
| 1202 | Griffon & Associates, L.L.C. | Pearland, TX 77581 | Oil & Gas Operator | Jul 2008 |
| 1203 | Griffon Petroleum, Inc. | Calgary, AB T2P 3K2 | Oil & Gas Operator | May 2007 |
| 1204 | Griggs Josh | Dewey, OK 74029 | Oil Operator | Nov 2025 |
| 1205 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
| 1206 | Griggs Oil LLC | Dewey, OK 74029-0477 | Oil & Gas Operator | Nov 2025 |
| 1207 | Griggs, VIctor C. | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 1208 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 1209 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 1210 | Grigsby-McCord Joint Account | | Oil Operator | Apr 1984 |
| 1211 | Grigsby-McCord Joint Acct Etal | | Oil Operator | Apr 1984 |
| 1212 | Grim Paul A | Logan, OH 43138-9445 | Oil & Gas Operator | Dec 2020 |
| 1213 | Grimes Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Mar 2005 |
| 1214 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 1215 | Grimm Assn. | | Oil & Gas Operator | Jul 2021 |
| 1216 | Grimsby Exploration Inc | Canton, OH 44709 | Oil & Gas Operator | Dec 2018 |
| 1217 | Grissom, Charles A. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2001 |
| 1218 | Griswold Energy LLC | Oologah, OK 74053-6228 | Oil Operator | Oct 2025 |
| 1219 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Feb 2026 |
| 1220 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
| 1221 | Grit Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2023 |
| 1222 | Grizzle, Joe B. | Paris, TX 75461 | Oil & Gas Operator | Feb 2026 |
| 1223 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 1224 | Grizzly Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2025 |
| 1225 | GRM LLC | | Oil & Gas Operator | Jun 2021 |
| 1226 | GRMR Oil And Gas LLC | Broomfield, CO 80021 | Oil & Gas Operator | Nov 2025 |
| 1227 | Gro-Tex Exploration | Abilene, TX 79603 | Oil Operator | Feb 2026 |
| 1228 | Grogan Field Production, L.L.C. | | Oil Operator | Jan 2025 |
| 1229 | Grooms T D | Stillwater, OK 74075-3600 | Oil & Gas Operator | Oct 2001 |
| 1230 | Grose, Raymond | Buckhannon, WV 26201-0736 | Oil & Gas Operator | Dec 2003 |
| 1231 | Groshong Oil, LLC | Wellsville, KS 66092 | Oil Operator | Sep 2025 |
| 1232 | Gross Jack L Production | Borger, TX 79008-0065 | Gas Operator | Mar 2015 |
| 1233 | Gross Todd | Pine Bluffs, WY 82082 | Oil & Gas Operator | Mar 2007 |
| 1234 | Gross William R | | Oil Operator | Feb 1986 |
| 1235 | Gross, Charles E. | Dallas, TX 75220 | Oil & Gas Operator | Feb 2012 |
| 1236 | Gross, L. Jack Production | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 1237 | Grothe Bros. | Albany, TX 76430 | Oil & Gas Operator | May 2011 |
| 1238 | Grothe Bros., Inc. | Slaton, TX 79364 | Oil & Gas Operator | Feb 2026 |
| 1239 | Grothe, M. L. Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2010 |
| 1240 | Grothe, M.L. Est. | Slaton, TX 79364 | Oil & Gas Operator | Feb 2026 |
| 1241 | Grothues, G B Oil | Natalia, TX 78059 | Oil Operator | Feb 2026 |
| 1242 | Ground Development Company Inc | Dallas, TX 75229-0377 | Oil & Gas Operator | Jan 2013 |
| 1243 | Ground Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 1244 | Group Maintenance Corp | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2012 |
| 1245 | Grover Collins | | Oil & Gas Operator | Dec 2002 |
| 1246 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 1247 | Groves, Frank | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 1995 |
| 1248 | Growers Co-Operative Grape Juice Company, Inc | | Gas Operator | Dec 2018 |
| 1249 | GRR Mammoser Partnership | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 1250 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |
| 1251 | Grubb F W "Forest" | Garber, OK 73738-0186 | Oil & Gas Operator | Jun 2005 |
| 1252 | Grubb Ronald J | Clinton, OK 73601-0906 | Oil & Gas Operator | Aug 2013 |
| 1253 | Gruenerwald WM & | | Oil & Gas Operator | Apr 1994 |
| 1254 | Gruenerwald WM & Assoc Inc | Colorado Spring, CO 80960-0669 | Oil & Gas Operator | Jan 2002 |
| 1255 | Gruenerwald,William &Assoc.,Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 1995 |
| 1256 | Grunder Oil, LLC | St John, KS 67576 | Oil Operator | Sep 2025 |
| 1257 | Gruss Petroleum | | Oil Operator | Jan 1986 |
| 1258 | Gruy Management Service Co. | | Oil & Gas Operator | Apr 1982 |
| 1259 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 1260 | Grynberg Petroleum Company | Greenwood Vge, CO 80111-3326 | Oil & Gas Operator | Oct 2019 |
| 1261 | Grynberg* Jack Dba Grynberg Petroleum Co | | Oil Operator | Jan 2023 |
| 1262 | Grynberg, Jack J. | Denver, CO 80237 | Oil & Gas Operator | Jun 2021 |
| 1263 | Gryphon Exploration Company | Mandeville, LA 70471 | Oil & Gas Operator | Aug 2009 |
| 1264 | GS Energy Of Texas, L.L.C. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2006 |
| 1265 | GS Oil & Gas Co. | New York, NY 10004 | Gas Operator | Jan 1989 |
| 1266 | GSF Energy, L.L.C. | Pittsburgh, PA 15220 | Gas Operator | Mar 2018 |
| 1267 | Gsi Oil & Gas, Inc. | Bryan, TX 77806 | Oil & Gas Operator | Feb 2026 |
| 1268 | GT Energy | | Oil & Gas Operator | Mar 1993 |
| 1269 | GT Productions | Euless, TX 76040 | Oil & Gas Operator | Jan 1997 |
| 1270 | GTG Operating, LLC | Tyler, TX 75713 | Oil & Gas Operator | Feb 2026 |
| 1271 | Guadalupe Operating LLP | Midland, TX 79701 | Oil & Gas Operator | Oct 2013 |
| 1272 | Guadalupe Properties, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2013 |
| 1273 | Guaranty Energy Corp. | | Oil & Gas Operator | Aug 1990 |
| 1274 | Guardian Energy Cons | | Gas Operator | Sep 2009 |
| 1275 | Guardian Energy Consultants, Inc. | Tulsa, OK 74120 | Gas Operator | Sep 2009 |
| 1276 | Guardian Exploration LLC | Hunt, TX 78024-0225 | Oil & Gas Operator | Dec 2011 |
| 1277 | Guardian Management Inc | Marion, OH 43302 | Oil & Gas Operator | Dec 1997 |
| 1278 | Guardian Oil Company | | Oil & Gas Operator | Aug 1985 |
| 1279 | Guardian Operating Corp. | Midland, TX 79707 | Oil & Gas Operator | Nov 2016 |
| 1280 | Guedry, Mark | Riverside, TX 77367 | Oil & Gas Operator | Feb 2026 |
| 1281 | Guenthart William & Lavonne | Newcastle, WY 82701 | Oil Operator | Apr 2025 |
| 1282 | Guernsey Petroleum Corp Of MS | | Oil Operator | Jul 1988 |
| 1283 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |
| 1284 | Guernsey/Rosbottom | | Oil Operator | Apr 1989 |
| 1285 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 1286 | Guest R E Oil Producer | Edmond, OK 73083-0805 | Oil & Gas Operator | Mar 2015 |
| 1287 | Guffey & Galey | | Oil & Gas Operator | Aug 1981 |
| 1288 | Guffey, Roy, Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2011 |
| 1289 | Guffey, WM. R. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2015 |
| 1290 | Gugli Corporation | Byng, OK 74820 | Oil & Gas Operator | Sep 2014 |
| 1291 | Guidance Oil Developers | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 1292 | Guidance Oil Developers, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 1293 | Guidance Oil Developers,Inc.(1) | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 1294 | Guido & Arnold | | Oil & Gas Operator | Feb 1982 |
| 1295 | Guido Energy Co & Guernsey Pet | | Oil Operator | Aug 1991 |
| 1296 | Guido Production Co Inc | | Oil Operator | May 1995 |
| 1297 | Guidon Energy MGMT Services LLC | Irving, TX 75062 | Oil & Gas Operator | Dec 2020 |
| 1298 | Guidry, J.R. | High Island, TX 77623 | Oil Operator | Feb 2026 |
| 1299 | Guin, Don L. | Flint, TX 75762 | Oil & Gas Operator | Apr 2018 |
| 1300 | Guinco Oil Property MGMT | Cleveland, OK 74020 | Gas Operator | Jun 2000 |