| 301 | Itx Corporation | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 302 | Itx Pipeline Company, LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 303 | Iuka-Carmi Development LLC | Pratt, KS 67124 | Oil & Gas Operator | Sep 2025 |
| 304 | Iv L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 305 | Iva Oil | Cisco, TX 76437 | Oil & Gas Operator | Feb 2026 |
| 306 | Ivan Holt Well Servicing Inc | Edmond, OK 73003 | Oil Operator | Aug 1999 |
| 307 | Ivansons Oil Production | | Oil Operator | Dec 2024 |
| 308 | Ivett, Donald L. & Jeanette V. | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 309 | Ivory Energy, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 310 | Iwr Operating, LLC | Dallas, TX 75248 | Oil Operator | Feb 2026 |
| 311 | Iwt Energy Partners LLC | Denver, CO 80233 | Oil Operator | Feb 2026 |