EMCOR Group, Inc. Acquires Bahnson Holdings, Inc.

 Acquisition Strengthens Infrastructure Construction Services
Provides Increased Project Opportunities for Departments of Energy and Defense

NORWALK, CONNECTICUT, February 1, 2011 EMCOR Group, Inc. (NYSE: EME) today announced that it has acquired Bahnson Holdings, Inc. (Bahnson), a privately held mechanical construction services company headquartered in Winston-Salem, North Carolina. Terms of the transaction were not disclosed.

In business since 1915, Bahnson, with 2010 revenues of approximately $155 million, is a leading industrial services company providing mechanical, HVAC and specialty refrigeration systems to virtually every industry in the U.S., with particular emphasis in the industrial, power, pharmaceutical, alternative energy, and nuclear markets including projects for the U.S. Department of Energy and Department of Defense.

With a backlog of approximately $150 million, Bahnson's expertise in complex nuclear, industrial and power projects principally includes: design, fabrication, installation and service of complex HVAC, piping, filtration and control systems to support production processes for customers across the United States.

Commenting on the announcement, Tony Guzzi, Chief Executive Officer of EMCOR Group, stated, "Bahnson is an excellent strategic fit for EMCOR that represents another step in our objective to grow in the government, industrial and power sectors. With a rich history of serving nuclear, industrial and pharmaceutical facilities, Bahnson also adds to EMCOR's growing capabilities of working for large government agencies and large industrial and power customers, and enhances our geographic presence in important markets. We look forward to working with Bahnson's experienced leadership team as they immediately strengthen and expand EMCOR's broad range of service offerings."

Tim Whitener, President of Bahnson, said, "We are delighted to join EMCOR, the market leader in mechanical and electrical construction, energy infrastructure and facilities services. We speak the same language, participate in similar markets and believe we can contribute to EMCOR's growth in the nuclear, industrial and power markets."

EMCOR Group, Inc. is a Fortune 500 worldwide leader in mechanical and electrical construction services, energy infrastructure and facilities services.

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, its Form 10-Q for the third quarter ended September 30, 2010, 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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CONTACT:
EMCOR Group
R. Kevin Matz
Executive VP, Shared Services
(203) 849-7938

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Investors: Eric Boyriven
(212) 850-5600

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