AECOM is one of the largest and most respected providers of professional, technical and management support services in the world. Their markets include construction, energy, environmental, facitilies, government, transportation, water and oil.
Today, AECOM has more than 100,000 employees serving clients in more than 150 countries. Leveraging a unique pool of resources and talent, AECOM delivers fully integrated services by collaborating across disciplines and geographies to shape innovative solutions for their clients.
Parsons is a leader in engineering, construction, environmental services and program management. They provided environmental services at the Pueblo Chemical Agent-Destruction Pilot Plant from 1989 to 2001.