1. Labstrong
7709 Commerce Park, Dubuque, IA 52002
Coordinate: 42.49423,-90.77722
Phone: (563) 588-8900
2. Barnstead International
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|42.52782,-90.649185
Phone: Phone: (563) 556-3388