• The Kendeda Building for Innovative Sustainable Design. Photo: Jonathan Hillyer.

  • Portland International Airport, Terminal Expansion and Renovation. Image courtesy of ZGF Architects.

  • The world’s largest commercial Living Building, the Bullitt Center. Image courtesy of Nic Lehoux.

  • Nordic Heritage Museum. Image courtesy of Bruce Damonte.

  • Facebook's MPK20 building. Image courtesy of Jeremy Bitterman.

Leaders in sustainable engineering design

Our high-performing buildings work because our people listen—to our clients, to each other, and to the natural world around us.

We have invested in the technological infrastructure to remain communicative and productive while practicing responsible social distancing. Read about our business continuity plans during COVID-19.