McIntosh Perry and BLN comprise an award-winning consulting firm with more than seven decades of experience in all facets of engineering. Founded in the US in 1945 and with a history in Canada stretching back to 1971, today, Engineering-News Record (ENR) ranks us as the 29th largest international engineering firm, with more than 800 engineers, project managers, and technicians across North America. 

Our longevity is a testimonial to our clients’ trust and reflects the commitment of our team. As we’ve grown to become an international, multi-disciplinary engineering firm, we remain focused on one goal – helping you with your project. Our full range of consulting engineering services and technical solutions is designed to help us find an innovative solution to any challenge, big or small. 
Map of all BLN and McIntosh Perry Office in North America