Operational for more than 100 years, Richard D. Kimball Company is one of the leading mechanical and electrical engineering firms in the United States. RDK serves a wide variety of industries, such as academic institutes, biopharmaceutical and hi-tech organizations, civic and commercial services, health care facilities, residential clients and mixed-use companies, and transportation organizations. The company offers expertise in heating and cooling systems, new and renovated central plants, efficiency improvements and plant, equipment replacement, mechanical processes and manufacturing equipment, industrial exhaust, cleanrooms, specialized humidification and temperature requirements, and room pressurization services. It also offers specialized systems designing, water conservation, building code consulting, fire alarm, detection and suppression systems, computer room fire suppressions, and lightning protection services. The company s projects include Medfield School, Nativity Preparatory School, New Bridgewater State College, Hodge Boiler Works, the Waterfront, Carnegie Abbey Condominiums, and Boott Cotton Mills. It has branch offices in Boston and Andover, Mass., and New Brunswick, N.J.