■ Wood Truss Council of America 

■ Southern Pine Council 

■ Southern Pine Inspection Bureau 

■ Structural Component Distributors Association 

■ American Institute of Timber Construction

■ The Engineered Wood Association

■ American Wood Council

■ Canadian Plywood Association

■ Composite Panel Association

■ California Redwood Association

■ Canadian Wood Council

■ Structural Board Association

■ Southern Forest Products Association

■ Wood Truss Council of America

■ Western Wood Products Association

■ Truss Plate Institute 

■ Western Wood Products Association 

■ Western Wood Truss Association of British Columbia 

■ The Engineered Wood Association

■ Forest Industry Engineering Association

■ Canadian Wood Council

■ Wood, Ray - Trinity Engineering Association,

■ The International Society of Soil Mechanics and Geotechnical Engineering

■ Western Wood Truss Fabricators Association 

■ National Concrete Bridge Council

■ National Council of Structural Engineers Associations

■ National Steel Bridge Alliance

■ National Society of Professional Engineers

■ Structural Engineers Association of California

■ Structural Engineers Association of Illinois

■ Structural Engineers Association International

■ American Public Works Association

■ Americal Institute of Steel Construction

■ Applied Technology Council - Research papers for advanced building technology

■ American Public Transit Association

■ American Road & Transportation Builders Association

■ American Segmental Bridge Institute

■ American Galvanizers Association

■ American Institute of Timber Construction

■ American Forest & Paper Association

■ American Institute of Timber Construction

■ Architectural Woodwork Institute

■ California Redwood Association

■ Canadian Plywood Association

■ Composite Panel Association and Composite Wood Council

■ The Engineered Wood Association

■ Hardwood Council

■ Hardwood Plywood & Veneer Association

■ National Hardwood Lumber Association

■ Southern Forest Products Association

■ Western Red Cedar Lumber Association

■ Western Wood Products Association

■ Wood Moulding and Millwork Producers Association

■ Kitchen Cabinet Manufacturers Association

■ National Oak Flooring Manufacturers Association

■ National Wood Flooring Association

■ Wood Floor Covering Association

■ American Wood Council

■ The Engineered Wood Association