Sheet Metal Supply, a leading fabricator and supplier of formed perimeter edge materials and processed coil and flat stock for more than 25 years, moved its operation into a new and larger facility in Grayslake, Ill.Sheet Metal Supply, a leading fabricator and supplier of formed perimeter edge materials and processed coil and flat stock for more than 25 years, moved its operation into a new and larger facility in Grayslake, Ill.