Waterloo-Wellington Sheet Metal Contractors Association Share: Waterloo-Wellington Sheet Metal Contractors Association c/o Rozell Inc., 610 Bishop Street North Cambridge, Ontario N3H 4V6 (519) 653-5010 (519) 653-3681 (fax) Rep Info Map Whom to Contact Mike Dietrich President What's Nearby? Distance: 5 10 15 20 25 50 km.