Established in 1975, Giombetti Electric Inc. is an electrical-contracting firm, specializing in fire-alarm systems. Located in Marlborough, Mass., the firm offers commercial electrical, industrial and residential electrical services. It also specializes in fire-alarm testing, fire-alarm installation, generator installation as well as voice and data installation. Its list of clients includes Auburn Merchandise, Digital Federal Credit Union, Edgewater Hills, Egenera, Embassy Suites Hotel, Evergreen Solar, Framingham Ford, Device Technologies, Holiday Inn and Hypertronics Inc.