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



DESIGNING THE FUTURE


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


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



SINCE 1930

Yale-New Haven Hospital 55 Park Street Building Register Now for van Zelm’s 26th annual charity golf tournament on September 3, 2020. Learn More