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Cool Roof Rating Council
Provides radiative property data on roof surfaces to improve the energy efficiency of buildings while positively impacting the environment.
http://www.coolroofs.org/
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Truss Plate Institute
An association of truss plate manufacturers providing wood truss design standards, bracing criteria, inspection services, research, and steel verification for the wood truss component industry. Includes listing of member companies.
http://www.tpinst.org/
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Western Building Material Association
Regional trade association of building material dealers in Alaska, Idaho, Montana, Oregon, and Washington. Includes newsletter, membership details, products and services, and event information.
http://www.wbma.org/
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