INNOVATION, CREATIVITY, SUSTAINABILITY Our award-winning projects are produced through innovation, creativity and technical e ... xpertise. Sustainability is a key element in everything we do: in our project designs, in our staff training, and in our professional activities. It’s so ingrained in the Psomas culture that our motto is “balancing the natural and built environment.” LOCATIONS & SPECIALTIES Founded in 1946, we are a full-service consulting firm with offices in California, Arizona and Utah. We serve clients in the Transportation, Water, Facilities, Land Development, Energy, and Federal markets. read more