EMCOR Group, Inc. Rises In Annual Rankings Of America’s Largest Corporations

Additional Recognitions Include Rankings on the Global Outsourcing 100 and the Top Green 50 Sourcing Vendors List

NORWALK, CONNECTICUT.- 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, is proud to announce a number of recent recognitions, all of which continue to underscore the Company’s growth and prominent position in its industry.

First, EMCOR was recently named #370 in the Fortune 500 annual ranking for 2008 of America’s largest corporations, a significant increase from the Company’s ranking of 407 in 2007. The Fortune 500 list evaluates companies according to revenues, profits, assets, stakeholders’ equity, market value, earnings per share, and total return to investors. Importantly, EMCOR was one of a only a handful of companies to be included in multiple “Top 20” rankings, an assessment of the Company’s ability to create long-term value: “Growth In Profits” (both “5 Years” and “10 Years”), as well as “Total Return To Shareholders” (over 10 years). Full information is available at www.fortune.com.

Second, EMCOR was recently named #71 in the Barron’s 500 annual ranking for 2008, a significant increase from the Company’s #151 ranking in 2007. The Barron’s 500 is a list of the largest companies (by sales) in the U.S. and Canada that trade on the U.S. stock exchanges, weighted, based on Cash-Flow-Based Return on Investment and 2008 Sales Growth. Full information is available in the May 11 edition.

Third, EMCOR was recently named to The 2009 Global Outsourcing 100, the fourth year in a row that the Company has received this recognition. The IAOP™ Global Outsourcing 100 is an annual ranking that highlights the world’s best outsourcing service providers and top outsourcing advisors. Full information is available at www.outsourcingprofessional.org.

Fourth, EMCOR was recently named one of the “Top Green 50 Sourcing Vendors” by Black Book Research. The largest of its kind, the annual vendor study by Brown-Wilson Group and “The Black Book of Outsourcing” explores how new global economic dimensions are impacting the growth of the sustainability technology sector. The 2009 Green study explores new trends that are impacting outsourcing management and delves into factors such as how economic conditions contribute to making the most environmentally-friendly suppliers, both offshore and onshore. A full copy of the report is available at TheBlackBookOfOutsourcing.com.

Over the past year EMCOR has continued its leadership in delivering innovative mechanical and electrical construction, energy infrastructure, and facilities services solutions across a diverse range of thousands of projects for companies, organizations, and government entities. Working for clients that range from the U.S. Department of Homeland Security to the New York City Department of Transportation, projects include many of the country’s top hospitals (such as St. Vincent Medical Center in Bridgeport, CT; Methodist Hospital in Houston, TX; and Phoenix Children’s Hospital, in Phoenix, AZ), universities (such as Harvard University, Yale, and Notre Dame), water treatment plants (such as the Nanofiltration Water Facility in Jupiter, FL and the Water Treatment Plant for the New York City Department of Environmental Protection in Westchester County, NY), and power plants (such as Bruce Nuclear Generator Station, in Tiverton, Ontario; and Constellation Energy’s Brandon Shores Power Plant in Baltimore, MD).

“It’s an honor to be recognized by Fortune and Barron’s and these other organizations,” said Frank T. MacInnis, Chairman and CEO of EMCOR. ”With 2008 being the most successful year in the Company’s history, it’s with my deepest appreciation that I thank and commend the thousands of dedicated and hardworking employees of EMCOR that made this possible. In these challenging economic times, we take great pride in the value that EMCOR has created and will continue to provide for our shareholders and clients.”