PLASTI- FAB LTD.

CANADIAN AUTOMATIC SPRINKLER ASSOCIATION

GASTITE

RELIANCE WORLDWIDE CORPORATION

IPEX INC.

EVOLTA LTD.

DUROCK ALFACING INTERNATIONAL LTD.

ENVIRO-STEP TECHNOLOGIES INC.

BUILDING PRODUCTS OF CANADA CORP.

VENTILATION-MAXIMUM

AIRIA BRANDS - LIFE BREATH

CSDC SYSTEMS INC.

UPONOR CANADA INC.

GLOBALNGINEERING

AMVIC BUILDING SYSTEMS

CERTAINTEED GYPSUM & INSULATION CANADA

DURABOND PRODUCTS LTD.

DUPONT

HENRY COMPANY CANADA INC.

ROCKWOOL

ONTARIO ASSOCIATION OF PROPERTY STANDARDS OFFICERS

SPECIFIED TECHNOLOGIES INC

RSM BUILDING CONSULTANTS

INFRASTRUCTURE HEALTH & SAFETY ASSOCIATION

NUDURA INC.

BASF CANADA

TECHNO METAL POST

CANADIAN URETHANE FOAM CONTRACTORS ASSOCIATION

CAST IRON SOIL PIPE GROUP

UNIVERSITY OF WATERLOO - CO-OPERATIVE EDUCATION

ISOLOFOAM GROUP

CITYVIEW, A DIVISION OF HARRIS COMPUTER SYSTEMS

ELASTOCHEM SPECIALTY CHEMICALS

HRAI

CANADIAN WELDING BUREAU

OWENS-CORNING CANADA INC.

TUFF INDUSTRIES

COMPUTRONIX

PUBLIC SERVICES HEALTH & SAFETY ASSOCIATION

NUCO INC.

POSTECH

IBC TECHNOLOGIES INC.

RESISTO/SOPREMA

HABITAT FOR HUMANITY CHARITY

HEALTH CANADA - RADON PROGRAM

DEMILEC

SAFESIDEWALKS CANADA INC.

MITEK CANADA INC.

LP BUILDING PRODUCTS

WEYERHAEUSER

SIMPSON STRONG-TIE, CANADA

BOISE CASCADE - ENGINEERED WOOD PRODUCTS

FULL MOON PLUMBING INC.

AVOLVE SOFTWARE CORPORATION

CARST/CNRPP

MR. RADON

TYLER TECHNOLOGIES

ONTARIO STRUCTURAL WOOD ASSOCIATION

NORDIC STRUCTURES

ORACLE CANADA

ONTARIO ONSITE WASTEWATER ASSOCIATION

PRINT THREE

OBOA

CSA GROUP