Home Our Firm Services Achievements Contact Us English Francais BTL is reference of quality in the world of construction. As a well-known company in Quebec, we can provide the owners and clients the expert appraisal in all aspects of construction for small to major projects sizes. The construction of green field projects regroups infrastructure, civil, building and process works. We are also specialized in the renovation of existing buildings. BTL can always rely on the extensive experience of its multidisciplinary staff. Based on the Quality Concept, BTL is proud to proclaim that Safety Plan is a priority integrated to all her construction sites.