1. Praxair
2029 Plymouth Ave, Waterloo, IA 50702
Coordinate: 42.47051,-92.32143
Phone: (319) 233-6193
2. Praxair
90 Vinton St, Waterloo, IA 50703
Coordinate: 42.48881,-92.32127
Phone: (319) 291-7367
3. Airgas
10 W 4th St Fl 2, Waterloo, IA 50701
Coordinate: 42.49648,-92.33922
Phone: (319) 233-3540