Offers schedules, member lists, publications, and videos.

Construction industry trade association of roofing, reroofing and waterproofing contractors providing information on roofing and waterproofing and contractor referrals.

Representing manufacturers of cedar roofing and siding products in the Northwest.

NRCA, National Roofing Contractors Association.

National trade association representing the manufacturers of cold-applied coatings and cements used for roofing and waterproofing, as well as the suppliers of products, equipment, and services to and for the industry.

Consortium of roofing contractors, suppliers, and industry professionals. Provides a resource for finding a contractor or associate.

Sheet membrane and component suppliers to the commercial roofing industry.

Information on the geological history and use of sandstone and limestone roofing in the UK. Of interest to architects, conservation professionals, and roofers.

The United Union of Roofers, Waterproofers and Allied Workers, based in Washington, D.C., has 22,000 members participating in 11 regional district councils across the country.

Promotes roofing industry professionalism by proving leadership to benefit members.