Founded in 1964, the Ontario Industrial Roofing Contractors Association (OIRCA) is a professional group of union and non-union industrial/commercial/institutional (ICI) roofing and sheet metal contractors, product suppliers/ manufacturers and building science consultants/engineers.Through the Association's Labour Relations Section, OIRCA is the Employer Bargaining Agent (EBA) for union roofing contractors in the Province of Ontario.
The OCS is a facilitator promoting relationships and interactions among its' component business partners to identify, research and inform regarding issues of common concern, including data to assess current and future construction market trends.