| Business | Phone |
| Advocate Il Masonic Med Center 836 W Wellington Ave, Chicago 60657 | (773) 296-7075 |
| America Direct Insurance Svc 20 N Wacker Dr # 4000, Chicago 60606 | (312) 528-3769 |
| Assure Research 645 N Michigan Ave 800, Chicago 60611 | (312) 280-1375 |
| Ccc Information Svc Group Inc 222 Merchandise Mart 444, Chicago 60654 | (312) 222-4636 |
| Electronics Claims Network Chicago 60619 | (773) 488-2860 |