| Business | Phone |
| Gem City Accounts Svc 200 N 8th St 104, Quincy 62301 | (217) 222-9200 |
| Brink & Assoc Inc 2500 Wisman Ln, Quincy 62301 | (217) 222-3963 |
| Credit Bureau Of Quincy Inc 510 Maine St 400, Quincy 62301 | (217) 222-1500 |
| Credit Control Svc 613 Maine St, Quincy 62301 | (217) 223-8462 |