| Business | Phone |
| Ahrens Farm Drainage 1773 P Ave, Marengo 52301 | (319) 662-4175 |
| Beyer Farms 1593 125th St, Marengo 52301 | (319) 642-3240 |
| Beyer Farms Shop 1505 125th St, Marengo 52301 | (319) 642-3487 |
| Dcj Farms Inc 1557 108th St, Marengo 52301 | (319) 444-2467 |