Ranked #1 Overall in 2007, 2006, 2005, 2004, 2003,
2002, 2001

Among the top twenty in:

• #1 in Hazardous Waste
• #2 in Transportation
• #2 in General Building
• #3 in Manufacturing
• #5 in Power
• #6 in Water
• #7 in Sewer/Waste
• #12 in Industrial Process/Petro
• #13 in International Markets

ENR – The Top 200 Environmental Firms 2007

• #6 Overall in the Top 200 Environmental Firms

ENR – The Top 100 Construction Managers 2007

• #6 Construction Manager-for-Fee

Building Design & Construction – GIANTS 300 2007

• #3 Engineer / Architects category on BD&C’s GIANTS 300 list

Defense News

• #32 on List of Top 100 Defense Companies of 2007

Fortune Magazine

• #505 on Fortune’s List of America's 1000 Largest Companies 2007
• #6 on List of America’s Most Admired Engineering/Construction Companies in 2007