1. O'Neal Steel 2600 Sergeant Rd, Waterloo, IA 50701 Coordinate: 42.47748,-92.38639 Phone: (319) 235-6521
2. Industrial Steel & Machine 2712 Lackland Dr, Waterloo, IA 50702 Coordinate: 42.44871,-92.30206 Phone: (319) 296-1816