| Business | Phone |
| Gierke-Robinson Co 4490 Dodge St, Dubuque 52003 | (563) 556-1185 |
| John Deere Dubuque Works 18600 S John Deere Rd, Dubuque 52001 | (563) 589-5151 |
| Jrb Co Inc 17876 Peru Rd 1, Dubuque 52001 | (563) 584-0461 |
| Martin Equipment 9173 E Tamarack Dr, Dubuque 52003 | (563) 588-1950 |