Association of Architectural Technologists of Ontario (AATO)
Association of Registered Interior Designers of Ontario (ARIDO)
Ontario Association of Architects (OAA)Ontario Association of Certified Engineering Technicians and Technologists (OACETT)
Ontario Plumbing Inspectors Association (OPIA)
Ontario Society of Professional Engineers (OSPE)
Professional Engineers Ontario (PEO)
Building Owners and Managers Association of Greater Toronto (BOMA)
Building Owners and Managers Association of Ottawa (BOMA)
Council of Ontario Construction Associations (COCA)
Home BUILDER Magazine
Ontario General Contractors Association (OGCA)
Ontario Home Builders' Association (OHBA)
Ontario New Home Warranty Program (ONHWP)
Residential Construction Council of Central Ontario (RESCON)
Canada Mortgage and Housing Corporation (CMHC)
National Research Council Canada - Institute for Research in Construction (NRC-IRC)
Office of the Fire Marshall (OFM)
Ontario Conserves
Association of Municipalities of Ontario (AMO)
Large Municipalities Chief Building Officials (LMCBO)
Ontario Building Officials Association (OBOA)
Toronto Area Chief Building Officials Committee (TACBOC)
Technical Standards and Safety Authority (TSSA)