1. Waterloo Mills Co 2050 E Mitchell Ave, Waterloo, IA 50702 Coordinate: 42.47556,-92.32069 Phone: (319) 234-7756
2. Kent Nutrition Group 2233 W Airline Hwy, Waterloo, IA 50703 Coordinate: 42.54074,-92.38098 Phone: (319) 235-9647