| Business | Phone |
| Armstrong-Alar Chain 15 E Palatine Rd 101, Prospect Heights 60070 | (847) 808-8885 |
| A & T Perfect Maintenance 864 Winesap Ct, Prospect Heights 60070 | (847) 215-1338 |
| A & T Perfect Maintenance 840 E Old Willow Rd, Prospect Heights 60070 | (847) 229-0358 |