EMCOR Group, Inc., is incorporated in Delaware. The Company is an electrical and mechanical construction and facilities services firm. It provides services to several commercial, industrial, utility and institutional customers through its operating subsidiaries and joint venture entities. It specializes in providing construction services relating to electrical and mechanical systems in facilities of non-residential facilities and in providing various services relating to the operation, maintenance and management of facilities, including refineries and petrochemical plants. It designs, integrates, installs, start- ups, operates and maintains a number of electrical and mechanical systems, including: electric power transmission and distribution systems; premises electrical and lighting systems; low-voltage systems, such as fire alarm, security and process control systems; voice and data communication systems; roadway and transit lighting and fiber optic lines; 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. The Company provides electrical and mechanical construction services and facilities services directly to corporations, municipalities and other governmental entities, owners/developers and tenants of buildings. It also provides these services indirectly by acting as a subcontractor to general contractors, systems suppliers, property managers and other subcontractors. Electrical and mechanical construction services generally fall into one of two categories such as large installation projects with contracts often in the multi-million dollar range that involve construction of manufacturing and commercial buildings and institutional and public works projects or the fit-out of large blocks of space within commercial buildings and smaller installation projects typically involving fit-out, renovation and retrofit work. The Company's offices are located in the United States and the United Kingdom. The Company competes with national, regional and local companies, many of which are small, owner-operated entities that carry on their businesses in a limited geographic area. Its competitors in United States are Integrated Electrical Services, Inc. and Comfort Systems USA, Inc. and in United Kingdom are Carillion plc. and MITIE Group plc. The Company's operations are subject to various laws, including environmental laws and regulations.