Canadian Shingle Manufacturers

Building Products of Canada Corp. 

IKO Industries Ltd. 

Canroof Industries, Inc.

Canadian Roofing Contractor Associations

CRCA – Canadian Roofing Contractors Association  

RCABC – Roofing Contractors Association of British Columbia   

ARCA – Alberta Roofing Contractors Association  

SRCA – Saskatchewan Roofing Contractors Association 

RCAM – Roofing contractors Association of Manitoba  

ORCA – Ontario Roofing Contractors Association

AMCQ – Association des Maitres Couvreurs de Québec

NBRCA – New Brunswick Roofing contractors Association  

RCANS – Roofing Contractors Association of Nova Scotia  

Agencies / Associations

Canada Mortgage and Housing Corporation  

Canadian Standards Association

National Roofing Contractors Association (USA)

Asphalt Roofing Manufacturers Association (USA) 

Canadian Home Builder Associations

Canadian Home Builders' Association 

Atlantic Building Supply Dealers Association  

APCHQ – l'Association provinciale des constructeurs d'habitations du Québec  

LBMAO – Lumber and Building Materials Association of Ontario 

Western Retail Lumber Association Inc.

Building Supply Industry Association of BC 

Central Nova Scotia Home Builders Association