Alabama
| Company | Category | Area | Address | Web | Contact person | |
| IRWIN JOHN | Radio Broadcasting Stations | Alabama | 1 UNIVERSITY PL, PHENIX CITY, Russell, Alabama, 36869-7961, USA | - | - | - |
| IRWIN PAUL OFFICE | Unclassified | Alabama | 2252 VESTRIDGE LN, BIRMINGHAM, Jefferson, Alabama, 35216-2938, USA | - | - | - |
| IRWINTON COMMUNICATIONS I | Communication Services | Alabama | 520 INLET RD, EUFAULA, Barbour, Alabama, 36027-2806, USA | - | - | - |