American Wood Council – AWC
Canadian Construction Materials-CCMC
Canadian Wood Council-CWC
Canadian Wood Truss Association-CWTA
Cecobois
ICC Evaluation Service Inc-ICC-ES
ICC International Code Adoptions
Intertek
MiTek US Engineering Site
Structural Building Components Association-SBCA
Trim Fit Corporation
Truss Plate Institute-ANSI TPI 1
Truss Plate Institute of Canada-TPIC