| Business | Phone |
| 3i 875 N Michigan Ave, Chicago 60611 | (312) 943-8400 |
| Aewilkins Holdings Inc 5008 S Blackstone Ave, Chicago 60615 | (773) 538-5454 |
| Annett Holdings Inc 1007 N Francisco Ave, Chicago 60622 | (773) 227-7553 |
| Ftc Holding Inc 777 N Michigan Ave, Chicago 60611 | (312) 266-9048 |
| C & L Holdings Inc 417 S Dearborn St, Chicago 60605 | (312) 322-0733 |
| Duramitt North America 429 W Ohio St, Chicago 60610 | (312) 616-8888 |
| Dncw Holdings Inc 8429 S Colfax Ave, Chicago 60617 | (773) 734-2881 |
| Convergent Capital Management 190 S Lasalle St 2800, Chicago 60603 | (312) 444-6000 |
| Cornerstone Capital Holding 640 N La Salle Dr, Chicago 60610 | (312) 870-5100 |