AITC - American Institute of Timber Construction

APA - The Engineered Wood Association

AWC - American Wood Council

CANPLY - Canadian Plywood Association

CPA - Composite Panel Association

CRA - California Redwood Association

CWC - Canadian Wood Council

SBA - Structural Board Association

SFPA - Southern Forest Products Association

WTCA - Wood Truss Council of America

WWPA - Western Wood Products Association