Phone Number: (613) 612-2478
2704 River Road, Manotick, Ontario, Canada K4M1B4

Mainstream is a design build firm specializing in custom millwork, interior and exterior renovations.
With over 30 years experience in the design build industry, we have built up a powerful team of reliable and trusted trade partners.
From design planning to execution, we will help you create the space of your dreams.