MSI COMPLETES LIBERTY PROPERTY TRUST’S BUILDING

7/2/2008

ORLANDO, FL – Orlando-based Mechanical Services, Inc. (MSI) has completed the design, supply and installation of a building automation system at Liberty Property Trust’s facilities at the Maitland Summit Office Park in Orlando, FL. The automation system chosen for this project was the latest version of the Trane Summit system.

Based in Orlando, with an office in St. Petersburg, MSI is a leading mechanical contractor in Central and Southwest Florida. MSI was recently acquired by 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 globally.

“The automation system upgrade provides the owner and tenants – Charles Schwab and EA Sports, Inc. – with the latest energy conservation technology,” said William M. Dillard, Chief Executive Officer of MSI. “We are pleased to work with Liberty Property Trust as the company continues to focus on upgrading its existing portfolio to reduce energy and increase sustainability.”

MSI provides a full array of mechanical services including 24-hour, 365-day mobile response and preventive maintenance, on-site building operations and maintenance services as well as HVAC and plumbing construction and retrofit services. MSI offers diverse specialties including HVAC predictive maintenance and service, system commissioning, microbial mitigation, building automation, Fast-Trac™ system replacement and design-build construction.

About EMCOR Group, Inc.

A Fortune 500 company with over $5.9 billion in annual revenues, EMCOR Group, Inc. (NYSE: EME) is a global leader in mechanical and electrical construction, energy infrastructure, and facilities services. EMCOR gives life to new structures and sustains life in existing ones by its planning, installing, operating and maintaining the sophisticated and dynamic systems that create facility environments − such as electrical, mechanical, lighting, air conditioning, heating, security and power generation systems − in virtually every sector of the economy and for a diverse range of businesses around the world. EMCOR represents a rare combination of reach with local execution, combining the strength of an industry leader with the knowledge and care of 170 locations worldwide. The 30,000 skilled employees of EMCOR have made the company, in the eyes of leading business publications, amongst America’s “Most Admired” and “Best Performing.” 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.