Our 45,000 talented professionals - including architects, engineers, designers, planners, scientists and management professionals - now serve clients in more than 100 countries around the world See how employees around the globe are making the world a better place: watch the We Are AECOM video now Formed from many of the world's finest engineering, design, environmental and planning companies, AECOM provides clients with complete access to our greatest resource - our people Since then, more than 30 companies have joined AECOM, and in 2007, we became a publicly traded company on the New York Stock Exchange (NYSE: ACM)