Diefenderfer Electrical Contractors, Inc. - providing corporate and institutional electrical and telecommunications design, installation, and support services. Serving the Northeastern corridor.
E.W. Audet & Sons, Inc. - servicing the industrial, commercial and institutional markets in the Northeast.
Eldeco, Inc. - industrial contractors serving the Southeast.
Electrical Contractors, Inc. - commercial, industrial, and residential contractors serving New England and beyond.
Emcor Group Inc. - mechanical and electrical construction and facilities services firm, providing services to a range of commercial, industrial, utility and institutional customers in the U.S., Canada and the United Kingdom.
Favreau Electric Inc. - provides electrical construction, data telecommunications and high-voltage wiring in the Northern New England Area.
Helix Electric, Inc. - full service commercial, industrial, and institutional contractors.
Integrated Electrical Services - national provider of electrical contracting, including design and installation for both new and renovation projects, and maintenance services to the commercial, industrial and residential markets.
Mass. Electric Construction Company - national contractor active in all aspects of electrical construction, specializing in mass transit, railroad, and intelligent transportation systems.
Perreca Electric Co., Inc. - electrical and telecommunications contractor specializing in industrial and commercial construction.
Phoenix Power Constructors, Inc. - construction of substations, utility and industrial power distribution, and installation of mechanical piping and instrumentation.
Sprectrum Professional Services, Inc. - offers electrical engineering, lighting design, theatre design, acoustical engineering, and electronic systems design.
Wagner-Smith Company - industrial pumps and meters, electrical contracting, powerline construction equipment, and traffic control systems.