D.G. Biddle & Associates Limited

Established in 1973 and incorporated in 1974, D.G. Biddle & Associates Limited provides Consulting Engineering and Planning services in Southern Ontario, mainly in the Durham Region and surrounding area. The company has a staff of approximately 45, including Professional Engineers, Planners, Technicians, administrative staff and field personnel. We specialize in Civil, Structural, Mechanical and Electrical Engineering and Planning services for both private and public clients.