EMCOR Group, Inc., together with its subsidiaries, provides electrical and mechanical construction and facilities services worldwide. It engages in the design, integration, installation, start-up, operation, and maintenance of various electrical and mechanical systems, including electric power transmission and distribution systems, such as power cables, conduits, distribution panels, transformers, generators, uninterruptible power supply systems, and related switch gear and controls; premises electrical and lighting systems, including fixtures and controls; low-voltage systems, such as fire alarm, security, and process control systems; voice and data communications systems, including fiber-optic and low-voltage copper cabling; and roadway and transit lighting, and fiber optic lines. The company also designs, integrates, and installs heating, ventilation, air conditioning, refrigeration, and clean-room process ventilation systems; fire protection systems; plumbing, process, and high-purity piping systems; water and wastewater treatment systems; and central plant heating and cooling systems. EMCOR Group’s facilities services include industrial maintenance and services; site-based operations and maintenance; facilities management; military base operations support services; mobile maintenance and services; installation and support for building systems; technical consulting and diagnostic services; small modification and retrofit projects; and program development, management, and maintenance for energy systems. It serves corporations, municipalities, and other government entities, as well as to owners/developers and tenants of buildings, general contractors, systems suppliers, and other subcontractors. The company was founded in 1966 and is headquartered in Norwalk, Connecticut.