Norwalk, Connecticut-based EMCOR Group, Inc. (EME) operates as one of the leading providers of mechanical and electrical construction, industrial and energy infrastructure, as well as building services for a diverse range of businesses. With a market cap of $27.9 billion, the company serves commercial, industrial, utility, and institutional clients. Companies worth$10 billion or more are generally described as "large-cap stocks." EMCOR fits right into that category, with its market cap exceeding this th ...