Nature of Operations

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Nature of Operations

NATURE OF OPERATIONS

References to the “Company,” “EMCOR,” “we,” “us,” “our” and similar words refer to EMCOR Group, Inc. and its consolidated subsidiaries unless the context indicates otherwise.

We are one of the largest electrical and mechanical construction and facilities services firms in the United States, the United Kingdom and in the world. We specialize principally 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 substantially all aspects of such facilities, commonly referred to as “facilities services.”