Established in 1970, Rasmussen Mechanical Service, also known as RMSC, is one of the leading contracting companies that provides services and parts for commercial, industrial and institutional clients throughout the United States. It provides services that include energy management, ammonia process piping, temperature control, sheet metal fabrication, air and water balancing, and refractory insulation repair and replacement. The company also offers lab safety equipment testing and certification services. Rasmussen Mechanical Service operates R.W. Rice Company, which provides engineering, design and installation services for boiler room facilities throughout the Midwest. Rasmussen Mechanical Service provides products that include boilers, boiler controls, burners, temperature control and regulation systems, valves, gauges, pumps, and recording charts and accessories.