Greater Toronto Truss 1 year ago ID: #870616 Listed In : Building and Construction Innisfil Beach Road, Thornton, Ontario, Canada 6477600274 http://gtatruss.ca/ [email protected] Business Description At Greater Toronto Truss, we design, engineer and manufacturer wooden roof truss components for the residential and commercial construction industry in Ontario. Reviews & Ratings Write a Review No Review. Please login / register to add your review.