| Business | Phone |
| Black Hawk Freight 2732 N 5th St, Carter Lake 51510 | (712) 347-9707 |
| Dohrn Transfer 108 Avenue H, Carter Lake 51510 | (712) 347-6003 |
| Lewis Truck Lines 108 1/2 Avenue H, Carter Lake 51510 | (712) 347-5890 |
| Mc Mullen Trucking 2730 N 5th St, Carter Lake 51510 | (712) 347-5116 |
| National Freightways Inc 801 Wood Ave, Carter Lake 51510 | (712) 347-6300 |