Engineering excellence for structures and enclosures.Boston University Duan Family Center for Computing and Data Sciences Building expertise for over 60 years.John Hancock Sign Installation at 200 Berkeley Innovation for a changing world.Northeastern University ISEC Solving the toughest building challenges.Hub On Causeway Engineering for elegance.Cleveland Clinic Taussig Cancer Center A holistic approach to sustainable construction.Norwell Public Library Projects About Latest News 08.05.25 Museum of Science Public Science Common: That Dirty Water By Timothy P. Nash, PE, SE 07.28.25 Rebuilding Stone by Stone: Enclosure and Restoration at Holy Redeemer Catholic Church by Tim Dean, PE 05.05.25 LeMessurier Wins Two ACEC/MA 2025 Engineering Excellence Awards 04.28.25 LeMessurier’s Terrance Dumoulin Co-Authored Publication in Journal of Building Performance Simulation with Northeastern University Professor Alpha Yacob Arsano and Colin Chu Featured Project 200 Berkeley Street, John Hancock Signage
