operates as a mechanical and electrical construction and facilities services company in the United States, Canada, the United Kingdom, and worldwide.
The company designs, integrates, installs, starts up, operates, and maintains various mechanical and electrical systems, including heating, ventilation, air conditioning, refrigeration, and clean-room process ventilation systems; plumbing, process, and piping systems; systems for the generation and distribution of electrical power, including power cables, conduits, distribution panels, transformers, generators, uninterruptible power supply systems, and related switch gear and controls; lighting systems, including fixtures and controls; low-voltage systems, including fire alarm, security, communications, and process control systems; and voice and data communications systems, including fiber-optic and low-voltage copper cabling.
EMCOR Group also designs and constructs customers’ energy-related projects, as well as provides plant staffing for certain of these projects.
Its facilities services comprise maintenance and service of mechanical and electrical systems, site-based operations and maintenance, mobile maintenance and services, facilities management, remote monitoring, installation and support for building systems, technical consulting and diagnostic services, small modification and retrofit projects, and program development and management for energy systems.
The company provides services to a range of commercial, industrial, utility, and institutional customers.
EMCOR Group is headquartered in Norwalk, Connecticut.

