AECOM (/eɪ.iːˈkɒm/, ronunciation_respelling_key">ay-ee-KOM; formerly AECOM Technology Corporation, and stylised AΞCOM) is an American multinational infrastructure consulting firm.
AECOM has approximately 51,000 employees, and is number 157 on the 2019 Fortune 500 list.
The company's official name from 1990 to 2015 was AECOM Technology Corporation, and is now AECOM. The company is listed on the New York Stock Exchange (NYSE) under the ticker symbol ACM and on the Frankfurt Stock Exchange under the ticker symbol E6Z.
In August 2021, AECOM announced plans to relocate its global headquarters from Los Angeles, California to Dallas, Texas.