GDB is a specialized construction and engineering firm with its central office in Greater Sudbury, Ontario, and undertaking work throughout the province of Ontario and along its borders with Manitoba, Quebec, and United States. We specialize in the construction and design-build of new/existing infrastructure including heavy civil construction with ability to complete multidisciplinary work such as architectural, electrical, and mechanical installations. The type of work our experienced team focuses on includes rehabilitation and new construction of bridges, dams, culverts, marine facilities, roads, pipelines, water and sewage treatment plants, in water work, cofferdams, pile driving, landfill expansions, and cell closures. We also specialize in remote location projects such as locations accessible by navigable waters and locations requiring temporary construction of living quarters for construction team members. 
GDB is an Equal Opportunity Employer. 
GDB is an ISO 9001-2015 registered company. 
GDB has received accreditation for our health and safety program with a Certificate of Recognition (COR) in Ontario.

GDB Constructeurs

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GDB Constructeurs

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