Harris Companies, a Minnesota corporation, is a locally owned and an employee-owned organization. It designs, builds, installs, controls and maintains piping, plumbing, heating, ventilating, air conditioning and electrical systems for its health care, industrial and commercial clients. Its in-house engineers design mechanical systems, and matching material and equipment. It develops 3-D drawings by using computer-aided design systems for reviews and approvals. It provides installation, project management, training and benchmarking services also. Its computer-scheduled and radio-dispatched technicians diagnose and fix problems. It offers solutions for control and building of automation needs. Located in St. Paul, Minn., its technicians install and service coolers, freezers and icemakers and repair, replace and rebuild compressors.