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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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EIFS Industry Members Association (EIMA)
A United States-based non-profit technical trade association comprised of manufacturers, suppliers, distributors and applicators involved in the exterior insulation and finish systems (EIFS) industry. Membership directory and benefits information, code of ethics, and resources are provided.
http://www.eima.com/
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