EMCOR Group, Inc. (EMCOR) is an electrical and mechanical construction and facilities services firm in the United States, the United Kingdom and globally. The Company provides services to a range of commercial, industrial, utility and institutional customers through approximately 70 operating subsidiaries and joint venture entities. It specializes in providing construction services relating to electrical and mechanical systems in facilities of all types and in providing comprehensive services for the operation, maintenance and management of facilities services. In January 2011, the Company acquired a company, which provides mechanical construction services. In June 2011, the Company completed the acquisition of USM Services Holdings, Inc. (USM). In August 2011, the Company sold Comstock Canada Ltd. In November 2011, the Company acquired a company, which provides mobile mechanical services. In January 2012, the Company acquired Southern Industrial Constructors, Inc.