AECOM is a global infrastructure consulting firm based in Dallas, Texas, providing professional and technical services in architecture, engineering, construction, operations, and management. Founded in 1990 through the merger of five subsidiaries of Ashland Oil, AECOM has a rich history that traces back over 120 years. The company has grown significantly through numerous acquisitions and has established itself as a leader in the infrastructure sector.
AECOM offers integrated services that encompass the design, construction, financing, and operation of infrastructure assets for both public and private clients. Their core areas of expertise include transportation engineering, facilities and buildings, environmental consulting, and energy management. The firm is known for its work on iconic projects such as sports stadiums, high-rise buildings, and sustainable facilities, serving clients in over 150 countries with a focus on innovation and technical excellence.
Arcadis is a global design, engineering, and consultancy firm that specializes in natural and built assets. Founded in 1888 in the Netherlands, the company has grown to operate in over 70 countries with around 27,000 employees across more than 350 offices. It generates approximately €3.4-3.6 billion in annual revenue, primarily from Europe, the Middle East, and the Americas.
The firm focuses on improving quality of life through sustainable solutions that address climate change, urbanization, and digital transformation. Arcadis offers integrated services in project management, consultancy, engineering, and design, covering the full lifecycle of projects. Their work includes program management, architectural design, environmental consulting, and infrastructure development. Notable projects include flood risk reduction in the Netherlands, coastal protection in New York City, and contributions to the Paris Olympics and Sydney Metro.