| Business | Phone |
| R Franczak & Assoc 751 Graceland Ave, Des Plaines 60016 | (847) 297-2568 |
| Philip I Mappa Interests 1350 E Touhy Ave 370w, Des Plaines 60018 | (847) 699-6600 |
| Trammell Crow Co 9525 Bryn Mawr Ave 730, Des Plaines 60018 | (847) 671-9090 |
| Newstar Solutions Inc 9700 W Higgins Rd, Des Plaines 60018 | (847) 318-0298 |