| Business | Phone |
| G & C Auto & Salvage 2013 220th St, Humboldt 50548 | (515) 332-4110 |
| Humboldt Motor Sales 2225 220th St, Humboldt 50548 | (515) 332-2764 |
| Mc Gregor & Dodge Of Humboldt 701 13th St N, Humboldt 50548 | (515) 332-3003 |
| Nelson's Auto Sales 1667 Lincoln Ave, Humboldt 50548 | (515) 332-3105 |
| Springvale Motors 1402 10th Ave N, Humboldt 50548 | (515) 332-2555 |