The Miller Group, a subsidiary of Colas Canada, is a Canadian leader in the construction and maintenance of transportation infrastructure since 1917. We provide exceptional customer service and operational support using our time‑proven construction methods and innovative technologies, alongside the highest quality products and materials.

We leverage our global network to foster positive relationships that make a lasting difference in the communities where we live and work. Whether it is making your commute more efficient, keeping our communities safe, or making remote areas more accessible, at Miller we are proud to Build Greatness in everything we do.

Miller Maintenance proudly provides maintenance services on Maintenance Contracts for Ontario Ministry of Transportation throughout the province of Ontario. Our leadership in the Ontario road and highway maintenance industry is based on our commitment to continuous improvement through education, innovation, safety, an...