AECOM

AECOM is a global provider of professional infrastructure consulting and advisory services. The company offers advisory, planning, consulting, architectural and engineering design, construction and program management services, as well as investment and development services. These services are provided to public and private clients worldwide across major end markets including transportation, facilities, water, environmental, and energy. According to Engineering News-Record's (ENR's) 2025 Design Survey, AECOM is the largest general architectural and engineering design firm globally, based on 2024 design revenue. It is also ranked as the number one firm worldwide in water, transportation design, facilities design, environmental engineering, environmental consulting, and environmental science. Furthermore, ENR ranks AECOM as the leading firm in several design end markets, including multiple water infrastructure-related markets. The company primarily focuses on providing fee-based, knowledge-based services. Its fiscal year consists of 52 or 53 weeks, ending on the Friday closest to September 30. For presentation clarity, all periods are presented as if the year ended on September 30.