Grand River Construction was established in 1991. The firm has had significant growth opportunities and has evolved into a general contracting role. Fully insured with WSIB coverage you can rest assured that all our personnel are experienced professionals. Grand River Construction is pleased to announce that we have become a certified GENTEK windows and door supplier and installer. Our team will lead our clients through the design stages and see the project through to completion. Our success is based upon quality and customer satisfaction. "We are not satisfied until you are" as the slogan says.