| Business | Phone |
| Wavelengths 3347 Quincy Mall, Quincy 62301 | (217) 224-4030 |
| Gamestop 5307 Oak St, Quincy 62305 | (217) 228-1141 |
| Illinois Signal Communications 910 Broadway St, Quincy 62301 | (217) 223-4028 |
| Midwest Treasure Detectors 2408 Cherry St 1, Quincy 62301 | (217) 223-4769 |
| One Link Communications 3024 Broadway St, Quincy 62301 | (217) 740-1000 |
| Quincy Video Svc Inc 1312 N 24th St, Quincy 62301 | (217) 223-2323 |
| Radio Shack 3333 Quincy Mall, Quincy 62301 | (217) 222-3257 |
| Satellite Health Care 1005 Broadway St, Quincy 62301 | (217) 222-7428 |
| United Systems Inc 1008 Jersey St, Quincy 62301 | (217) 228-0315 |
| Viar Electronics 836 Maine St, Quincy 62301 | (217) 228-3207 |
| Wdm Computer Svc Inc 1900 Harrison St 2, Quincy 62301 | (217) 228-1950 |
| Xpress Communications 2214 Vermont St, Quincy 62301 | (217) 222-8044 |
| Your Electronic Warehouse 2828 Broadway St, Quincy 62301 | (217) 224-6171 |
| Prime Time Audio 4319 Broadway St, Quincy 62305 | (217) 222-0323 |
| Rex Radio & Television 4529 Broadway St, Quincy 62305 | (217) 224-4440 |
| Simmetry Communications 5317 Oak St, Quincy 62305 | (217) 740-3000 |