Associations d’entrepreneurs en couvreurs
ASTM International
Asphalt Roofing Manufacturers Association
The Asphalt Institute
Canadian Roofing Contractors Association
Canadian Standards Association
Canadian Asphalt Shingle Manufacturers’ Association
Chicago Roofing Contractors Association
Construction Specifications Canada
Construction Specifications Institute
Factory Mutual Research Corporation
Florida Roofing, Sheet Metal & A/C Contractors Association
Institute for Research in Construction
Michigan Roofing Contractors Association
Midwest Roofing Contractors Association
National Roofing Contractors Association
North/East Roofing Contractors Association
Ontario Industrial Roofing Contractors Association
Quebec Master Roofers Association
Roofing Contractors Association of British Columbia
Underwriters Laboratories of Canada
Underwriters Laboratories Inc.
Western States Roofing Contractors Association