International Institute of Building Enclosure Consultants (IIBEC)

Canadian Roofing Contractors' Association (CRCA)

Ontario Industrial Roofing Contractors Association (OIRCA)

National Roofing Contractors Association (NRCA)

Ontario Building Envelope Council (OBEC)

Construction Specifications Canada (CSC)

Commercial Real Estate Development Association

Toronto Construction Association (TCA)

Hamilton-Halton Construction Association (HHCA)

Plant Engineering and Maintenance Association of Canada (PEMAC)

Contractor Check

Sealant and Waterproofing Association (SWA)