BTL has been contributing for over two decades to the success of many construction projects throughout Quebec and Ontario, in the industrial, commercial and institutional sectors.

BTL has participated in the execution of small, medium and large projects for clients active in a variety of industries: pharmaceutical, biotechnology, cosmetics, high technology, aerospace, mines and metallurgy, chemical and petrochemical, energy, transportation, commercial real estate, hotel, education and health. BTL carries out the works in the execution mode that best meets the specific needs of clients.

“We are proud of our corporate culture that values partnership relationships with our clients, health and safety of all our employees, diversity and inclusion, responsible consumption and waste management on our construction sites.”


— Bahman Youssefi, P.Eng. MBA, President and CEO

We are committed to pursuing business practices that best meet the needs of our clients and employees without compromising the needs of future generations.