The Engineered Wood Association and Engineered Wood Systems appear only on products manufactured by member mills and are the manufacturers' assurance that the products conform to the standard shown on the trademark.
Pittsburgh Testing Laboratory tests and certifies panel products to control operating costs, improve project quality, and meet performance standards.
PFS Corp. (EWP)
PFS Corporation is an internationally-recognized quality assurance/inspection/testing agency for engineered wood products, structural and non-structural wood-based panels, structural adhesives, prefabricated components and building systems and fire resistance rated assemblies. PFS Corporation provides certification services to the largest manufacturers of engineered wood products in North America.
TECO is a third party inspection agency serving wood product producers worldwide. TECO evaluates and certifies OSB, plywood, particleboard, composite and agrifiber panels in the United States, Canada, Mexico, Chile and Brazil. And the list is GROWING!
Western Wood Products Association