Harris is a leading national mechanical contractor specializing in design and engineering, construction, controls, service, m ... anufacturing, conveyors and end-to-end building systems. Customers who partner with Harris benefit from our national reach, regional offices, local expertise and more than 70 years of experience. From stadiums to manufacturing facilities, power plant to hospitals, concert halls to classrooms, Harris handles projects of all sizes and scope across the country. Founded in St. Paul, Minnesota in 1948, Harris has grown to become one of the largest mechanical contractors in the United States with over 2,000 employees in 12 locations throughout the country. Visit our website for more information about Harris. read more