Built to deliver a better world, AECOM designs, builds, finances and operates infrastructure assets for governments, businesses and organizations in over 150 countries. As a fully integrated firm, it connects knowledge and experience across its global network of experts to help clients solve their most complex challenges. From high-performance buildings and infrastructure, to resilient communities and environments, and to stable and secure nations, its work is transformative, differentiated and vital. A Fortune 500 firm, AECOM is headquartered in Los Angeles.