| Business | Phone |
| Aljack Investments 4055 W Peterson Ave 205, Chicago 60646 | (773) 588-1414 |
| Gateway Financial Corp 5455 N Sheridan Rd, Chicago 60640 | (773) 282-4826 |
| Bradley & Assoc 225 N Michigan Ave 11, Chicago 60601 | (312) 819-4444 |
| Frank Karth & Assoc 203 N La Salle St 2100, Chicago 60601 | (312) 558-1396 |
| Fdb Management 6666 N Western Ave, Chicago 60645 | (773) 743-9200 |
| Era Investment Svc 155 N Harbor Dr 1806, Chicago 60601 | (312) 420-2282 |
| Emessee Productions Ltd 1000 W North Ave 3, Chicago 60622 | (312) 664-6300 |
| Elite Business Center 875 N Michigan Ave # 3100, Chicago 60611 | (773) 794-7800 |
| Commonwealth Realty 20 S Clark St 3000, Chicago 60603 | (312) 629-0136 |