Alliant Systems

Alliant Systems is a premier design-assist and design-build mechanical contractor based in the Pacific Northwest, with a national presence for mechanical systems service. We offer a wide spectrum of services including new construction, tenant improvement, engineering, maintenance, controls, energy services, and commissioning. Our projects range from small retail spaces to 30-story office buildings, educational and manufacturing facilities, hospitals, parking structures, and campus environments. Safety is our first priority on any project, and we are committed to energy-efficient solutions that protect our future.