Dedicated to the planning, study and design of mechanical and electrical systems for the built environment. St. Louis Arch
ENGINEERING EXCELLENCE



DESIGNING THE FUTURE


Tufts University New Science and Engineering Center Merging imaginative solutions with the latest technologies. Supporting the growing global commitment to environmental stewardship. Harvard University Science & Engineering Complex
SUSTAINING THE PRESENT


Protecting our national heritage while adapting existing buildings to compatible new uses. Capewell Lofts
PRESERVING THE PAST



SINCE 1930

Cambridge School of Weston Garthwaite Center for Science and Art Register Now for van Zelm’s 27th annual charity golf tournament on June 4, 2021. Learn More