Silvestre, John-Construction Building contractor. Contact Info Phone: 519-628-5579 Location 563 Whitebread Line RR 2 Port Lambton, ON N0P 2B0 View Map Mailing Address: 563 Whitebread Line, RR 2, ON, Year Established: 1980 F/T Employees: 3 Key Contact: John Silvestre NAICS Code: 236 - Construction of buildings Site Selector Map: View location