| Business | Phone |
| Advanced Systems Inc 998 Fremont Ave L6, Dubuque 52003 | (563) 585-1087 |
| American Imaging Supplies 1533 Central Ave, Dubuque 52001 | (563) 556-3455 |
| Copy Systems Inc 1993 Asbury Rd, Dubuque 52001 | (563) 557-1937 |
| Ikon Office Solutions Inc 3500 Dodge St, Dubuque 52003 | (563) 583-7321 |
| R K Dixon Co 2728 Asbury Rd # 500, Dubuque 52001 | (563) 588-4897 |
| Rudzianski's Business Equip Co 98 E 10th St, Dubuque 52001 | (563) 556-5732 |
| R K Dixon Co 2728 Asbury Rd 500, Dubuque 52001 | (563) 344-9100 |