AECOM (NYSE: ACM) is a global infrastructure consulting firm that partners with clients to deliver professional services in planning, design, engineering, and management, believing infrastructure creates opportunity for everyone while committing to sustainability and responsibility.

History

AECOM launched in 1990 from the merger of five entities, with predecessor firms having histories over 120 years; it became publicly traded on the New York Stock Exchange in 2007 and has since integrated over 50 companies.

Operations and Recognition

The firm provides services across cities, transportation, buildings, water, new energy, and environment, operating globally as one team. In fiscal year 2024, it reported $16.1 billion in revenue; it was named the world's top design firm by Engineering News-Record in 2025, ranked #1 in general building, transportation, and water, and listed at #259 on the Fortune 500.