AECOM is now ranked as the no 1 design firm by Engineering News-Record (ENR) magazine, a McGraw-Hill publication.

     AECOM Technology Corporation, a leading provider of professional technical and management support services for government and commercial clients around the world, announced recently that it is ranked as the no 1 design firm by ENR magazine that released its annual list of the top 500 U.S. design firms in the April 26 issue.

     The survey ranks the largest engineering, architectural and environmental design firms according to their revenue in those areas.

     "We are proud to be recognized as the top U.S. design firm by ENR," said John M. Dionisio, AECOM president and chief executive officer. "AECOM's continued success reflects our commitment to be the best at what we do globally - and to serving the best interests of our clients around the world."

     AECOM also advanced more than 100 places to number 352 on the 2010 Fortune 500 listing of America's largest companies.

     AECOM serves clients in more than 100 countries and had revenue of US$6.3 billion during the 12-month period ended March 31, 2010.