| Business | Phone |
| Lake Run Condominium Assoc 16 E Old Willow Rd 100, Prospect Heights 60070 | (847) 537-3030 |
| Quincy Park 1592 Quaker Ln, Prospect Heights 60070 | (847) 459-0350 |
| Willow Woods Condominium Assoc 954 E Old Willow Rd, Prospect Heights 60070 | (847) 459-1280 |
| River Trail Condominium Assn 811 Apple Dr, Prospect Heights 60070 | (847) 541-8464 |