BTL Construction is a quebec Firm That Has Been Specializing in the Fields of Construction and Project Management Since 1994, in The Pharmaceutical, Biotechnology, Cosmetics, High Technology, Aerospace, Mines and Metallurgy, Chemical and Petrochemical, Industrial, Commercial and Institutional Sectors. Saint-Laurent, Montreal, Laval, Quebec, Montérégie, North Shore, South Shore, Toronto, Mississauga