| Business | Phone |
| Ad Key Graphics 29793 Spoon Ave, Madison Heights 48071 | (248) 229-7763 |
| Alert Signs 26465 Rialto St, Madison Heights 48071 | (248) 543-3275 |
| Universal Signs 28067 Hampden St, Madison Heights 48071 | (248) 548-4134 |
| B-B Sign Lighting Co 1528 E 11 Mile Rd, Madison Heights 48071 | (248) 548-4170 |
| Sign-A-Rama 100 W 13 Mile Rd, Madison Heights 48071 | (248) 585-6880 |
| Northstar Signs Inc 30835 John R Rd, Madison Heights 48071 | (248) 588-8668 |