Memberships

OGCA contractors stand apart because of their dedication to safety, education, excellence in construction, and most importantly to their customers.

The Toronto Construction Association, or the General Builders’ Society as it was called then, was founded in February 1867 by a group of 58 Canadian construction industry executives. The association’s mandate in those early days was to promote the highest possible standards of professionalism in an industry characterized by stiff competition and often razor thin margins.

CCA joined the picture in Ottawa in 1918. About 200 energetic industry leaders met and their collaboration sowed the seeds of today’s association. They wanted to improve conditions and inform people about the industry – and they succeeded.

The Council of Ontario Construction Associations (COCA) is a leading voice for the Ontario ICI and heavy civil construction industry with 32 member organizations representing more than 10,500 construction businesses and more than 400,000 employees.

Through the Professional Engineers Act, PEO governs licence and certificate holders and regulates professional engineering in Ontario to serve and protect the public.

The Infrastructure Health & Safety Association (IHSA) works with employers and workers in Ontario to eliminate occupational injury and illness. It serves the aggregates, construction, electrical, natural gas, ready-mix concrete, transportation, and utilities industries.

OCS seeks to facilitate an improved competitive position for our partners through upgraded knowledge, direct relations with buyers and owners, an enlightened fact-based public awareness and by encouraging our youth to become respected members of the unionized craft building trades.

SIOR is the leading professional commercial and industrial real estate association. With more than 3,000 members in 580 cities in 26 countries, SIOR represents today’s most knowledgeable, experienced, and successful commercial real estate brokerage specialists.

We administer Ontario’s no-fault workplace insurance for employers and their workers. As part of this system, we provide disability benefits, monitor the quality of health care and assist in early, safe return to work for workers injured on the job or who contract an occupational disease. We are entirely funded by employer premiums.