The Interior Systems Contractors Association of Ontario (ISCA) was incorporated on September 1, 1971. Originally it was incorporated as The Drywall Association of Ontario.
In 1980, it was renamed The Interior Systems Contractors Association of Ontario and now represents over 80 contractors and 30 suppliers and manufacturers throughout the province who employ over 10,000 members of the International Union of Painters and Allied Trades and the United Brotherhood of Carpenters and Joiners of America.
In 1987, ISCA was issued a Certificate of Accreditation by the Ontario Labour Relations Board to negotiate with the International Union of Painters & Allied Trades District 46, Local 1891 the Residential Sector.
Other companies involved in the manufacture and/or supply of material for the drywall & acoustic sector of the construction industry may join ISCA as an Associate Member.
ISCA represents over 80 contractors and 30 suppliers and manufacturers throughout the province who employ over 10,000 members of the International Union of Painters and Allied Trades and the United Brotherhood of Carpenters and Joiners of America
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