| Business | Phone |
| Guardian Windows Inc 21388 Brittany Dr, Frankfort 60423 | (815) 469-2990 |
| Ominiflx 9320 Corsair Rd, Frankfort 60423 | (630) 783-9800 |
| M & M Glass & Trim Svc Frankfort 60423 | (815) 464-4669 |
| Pro American Windows & Siding 8642 Hotchkiss Dr, Frankfort 60423 | (815) 469-1333 |