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EMCOR Group, Inc. Subsidiaries Awarded Contracts for Installation of Mechanical Systems for Terremark Worldwide

Marelich Mechanical, after having worked on a design-assist basis throughout the preconstruction phase of the project, will be responsible for the installation of all mechanical systems for the facility, an existing 24,000 square foot building that will be converted into a colocation facility. Marelich's scope of work will include the installation of air-cooled chillers, chilled water air handling units and all associated mechanical ductwork and chilled water piping. EMCOR Services Integrated Solutions will be responsible for HVAC controls systems at the colocation facility. Its scope of work will include the installation of HVAC controls and programming and low-voltage wiring, as well as the access security for the project.

"We and our sister company EMCOR Services Integrated Solutions are very proud to have been selected to work on this very sophisticated project for Terremark," said Keith Atteberry, President and CEO of Marelich Mechanical. "Working as a team, we can help put projects such as these on a fast track, giving our customers a team of construction experts and the expertise required when performing in systems-rich environments with demanding and rigid specifications."

About EMCOR Group, Inc.

A Fortune 500 company with estimated 2010 revenues of $5.0 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 25,000 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 2009 Form 10-K, 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.

EMCOR Group, Inc.
Mava Heffler, 203-849-7814
Vice President, Marketing & Communications
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Media:
Linden Alschuler & Kaplan, Inc.
Suzanne Dawson/Cecile Fradkin, 212-575-4545