| Business | Phone |
| Herrig Realty 13750 Surrey Ln, Dubuque 52002 | (563) 556-1421 |
| Ruhl American Commercial Co 2115 John F Kennedy Rd 2a, Dubuque 52002 | (563) 583-7483 |
| Sutton Realty 1800 Manson Rd, Dubuque 52003 | (563) 556-1577 |
| Larry Wolff 3890 Central Ave, Dubuque 52001 | (563) 583-1939 |