1. Stratus Comunications 2500 S Center St, Marshalltown, IA 50158 Coordinate: 42.01778,-92.91227 Phone: (641) 752-0111
2. Racom Radio Equipment 201 W State St, Marshalltown, IA 50158 Coordinate: 42.0507,-92.91671 Phone: (641) 752-5820