| Business | Phone |
| Kendall/Hunt Publishing Co 1111 Purina Dr, Dubuque 52001 | (563) 583-9064 |
| Kendall/Hunt Publishing Co 4050 Westmark Dr, Dubuque 52002 | (563) 589-1000 |
| Simon & Kolz Publishing 2728 Asbury Rd, Dubuque 52001 | (563) 557-5846 |
| William H Sadlier Inc 5025 Wolff Rd, Dubuque 52002 | (563) 583-3336 |