EMCOR Group, Inc. Subsidiary Awarded Contract For Installation Of Electrical Systems At San Diego County Operations Center

NORWALK, CONNECTICUT, August 18, 2009 - EMCOR Group, Inc. (NYSE: EME), a Fortune 500® leader in mechanical and electrical construction, energy infrastructure and facilities services for a diverse range of businesses, announced that its Dynalectric San Diego subsidiary has received a contract for the installation of electrical systems for two new buildings as part of the expansion project at the San Diego County Operations Center in San Diego, California.

Dynalectric San Diego will be responsible for the installation of all electrical systems required for the two buildings as part of an expansion project. Scope of work includes installing site infrastructure raceways for teledata, security, and fire alarm systems; extending the County Operations campus loop from the central plant to a new gas switch which feeds the two new four-story, 150,000 square foot office buildings; core and shell electrical construction including fire alarm system in each building; installation of site lighting in areas adjacent to each building; and installing a 2,000KW emergency generator supplying full load to one of the buildings. Both building expansions are designed to comply with the U.S. Green Building Council's LEED Silver Certification rating.

"In addition to our strong desire to do work which supports community needs, Dynalectric's staff of LEED Accredited professionals, as well as our years of experience building high performance facilities to demanding specifications, uniquely positions us to help the San Diego County Operations Center serve the needs of many people for years to come," said Philip Petersen, President and CEO of Dynalectric San Diego.

About EMCOR Group, Inc.

A Fortune 500 company with estimated 2009 revenues of $5.5 - $5.7 billion, EMCOR Group, Inc. (NYSE: EME) is a global leader in mechanical and electrical construction, energy infrastructure, and facilities services. A leading provider of critical infrastructure systems, EMCOR gives life to new structures and sustains life in existing ones by its planning, installing, operating, maintaining, and protecting the sophisticated and dynamic systems that create facility environments---such as electrical, mechanical, lighting, air conditioning, heating, security, fire protection, and power generation systems---in virtually every sector of the economy and for a diverse range of businesses, organizations and government. EMCOR represents a rare combination of broad reach with local execution, combining the strength of an industry leader with the knowledge and care of 170 locations. The 27,000 skilled employees of EMCOR have made the company, in the eyes of leading business publications, amongst the "World's Most Admired" and "Best Managed". EMCOR's diversity---in terms of the services it provides, the industries it serves and the geography it spans---has enabled it to create a stable platform for sustained results. The Company's strong financial position has enabled it to attract and retain among the best local and regional talent, to undertake and complete the most ambitious projects, and to redefine and shape the future of the construction and facilities services industry. Additional information on EMCOR can be found at www.EMCORGroup.com.

This release may contain certain forward-looking statements within the meaning of the Private Securities Reform Act of 1995. Any such comments are based upon information available to EMCOR management and its perception thereof, as of this date, and EMCOR assumes no obligation to update any such forward-looking statements. These forward-looking statements may include statements regarding market opportunities, market share growth, gross profit, backlog mix, projects with varying profit margins, and selling, general and administrative expenses. These forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Accordingly these statements are no guarantee of future performance. Such risk and uncertainties include, but are not limited to, adverse effects of general economic conditions, changes in the political environment, changes in the specific markets for EMCOR's services, adverse business conditions, availability of adequate levels of surety bonding, increased competition, unfavorable labor productivity and mix of business. Certain of the risks and factors associated with EMCOR's business are also discussed in the Company's 2008 Form 10-K, its Form 10-Q for the second quarter ended June 30, 2009, and in other reports filed from time to time with the Securities and Exchange Commission. All these risks and factors should be taken into account in evaluating any forward-looking statements.

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FOR: EMCOR GROUP, INC.

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