Ontario Construction Secretariat - Confirm Affiliation
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Confirm an Affiliation
The OCS Contractor Directory is an exclusive service provided by the OCS for all trade and general contractors working in the industrial, commercial and institutional sectors in Ontario and signatory to one or more collective agreement(s) with the following building trade union affiliations.  Click YES to confirm your company is signatory to one or more of the following building trade union affiliations.

 
 CARPENTERS - Carpenters' District Council of Ontario, United Brotherhood of Carpenters and Joiners of America
 IBBI - International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers
    
 LIUNA PRECAST - Labourers' International Union of North America, Ontario Provincial District Council
    
 MILLWRIGHTS - The Millwright Regional Council of Ontario, United Brotherhood of Carpenters and Joiners of America
   IRONWORKERS - International Association of Bridge, Structural, Ornamental and Reinforcing Ironworkers and Ironworkers District Council of Ontario
   IUBAC - Ontario Provincial Conference of the International Union of Bricklayers and Allied Craftworkers
   IUEC - International Union of Elevator COnstructors on behalf of its Locals 50, 90 and 96
   IUPAT - International Union of Painters and Allied Trades/ Ontario Council of the International Union of Painters & Allied Trades
      LIUNA - Labourers' International Union of North America Affiliated Local Unions 1007, 1151, 1244, 1410, 1425, 1592, 1916 and 2309
   OEEBA - Operating Engineers Local 793
   SHEETMW - Sheet Metal Workers' International Association/ Ontario Sheet Metal Workers' Conference
      SHEETRF - Ontario Sheet Metal Workers' & Roofers' Conference of the Sheet Metal Workers' International Assocation
   U.A.  Local787 - Refrigeration Workers of Ontario United Association
 IAHFA95 - International Association of Heat and Frost Insulators and Abestos Workers, and The International Association of Heat and Frost Insulators and Asbestos Workers, Local 95
   IBEWEC - International Brotherhood of Electrical Workers / IBEW Construction Council of Ontario
 OPTC - Ontario Pipe Trades Council of the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada
REBA  REBA - Rodmen Employee Bargaining Agency