AECOM

AECOM is a publicly traded infrastructure consulting firm listed on the New York Stock Exchange (NYSE: ACM) and headquartered in Dallas, Texas. The company provides professional services across the full project lifecycle, covering planning, design and engineering, program management and construction management. Its technical work spans transportation engineering, water engineering, buildings engineering, new energy and environmental services, serving the transportation, buildings, water, environment and infrastructure sectors.

In its fiscal year 2024 the firm reported revenue of approximately $16.1 billion and ranks #259 on the Fortune 500. Engineering News-Record named AECOM the world's top design firm in 2025 and ranked it #1 in general building, transportation and water.

The firm was formed in 1990 through the merger of five entities, though many of its predecessor firms have histories dating back more than 120 years. It operates globally, with its workforce organised as a team of planners, designers, engineers, consultants, and program and construction managers.

AECOM states a common purpose to "deliver a better world". It has been recognised on Fortune's World's Most Admired Companies list for twelve consecutive years and was named one of Ethisphere's 2025 World's Most Ethical Companies.