| 1301 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | Jul 2026 |
| 1302 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Sep 2026 |
| 1303 | GW Investments, LLC | Mustang, OK 73064 | Oil Operator | Jul 2026 |
| 1304 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |
| 1305 | GWB Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 1306 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Sep 2026 |
| 1307 | Gwitt, Edward J. | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 1308 | GWM Operating Company, LLC | Liberty, TX 77575 | Oil & Gas Operator | Sep 2026 |
| 1309 | Gyb-Britlind Oil, LLC | | Oil & Gas Operator | Jun 2016 |
| 1310 | Gypsy Exploration LLC | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Dec 2014 |
| 1311 | Gypsy Highview Gathering System, Inc. | Cut Bank, MT 59427-0250 | Oil & Gas Operator | Oct 2000 |
| 1312 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |
| 1313 | Gypsyglenn Oil Company LLC | Tulsa, OK 74119-4809 | Oil & Gas Operator | Jul 2026 |
| 1314 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Sep 2026 |