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  • The Greater Oshawa Chamber of Commerce is conveniently located in downtown Oshawa, east of the Police Station between Simcoe and Centre streets. We are open to serve you Monday to Friday from 9 a.m. to 5 p.m., closed for Statutory holidays and occasional day-time events. If you require our services for specific individual requests such as Certificate of Origin or general account inquiries, please call our office to ensure our staff is available to assist you.
  • Address: 44 Richmond Street West, Oshawa Ontario
  • Phone:905-728-1683