GAF Materials Corporations has grown to become North America's largest manufacturer of residential roofing and commercial roofing products.
IKO is a family-owned company that has been committed to manufacturing quality residential and commercial roofing products since 1951.
CertainTeed has earned a reputation as a premier building materials manufacturer for more than 100 years. For every part of the building, CertainTeed offers quality lines of roofing for both residential and commercial building applications.
Building Products of Canada has been providing quality home building and home renovation products for generations. The BP brand reflects on almost legendary craftsmanship that goes back nearly 100 years.