The Parsons Corporation

Industrial construction giant Parsons provides engineering, construction, and other services for corporate, institutional, and government projects worldwide. The company designs and builds structures such as power plants and dams; provides environmental remediation services including hazardous materials cleanup; and adds improvements to airports, rail systems, bridges, and highways. Parsons has constructed over 10,000 miles of roadways, worked on more than 4,500 bridges, assisted on 400 airport projects, and destroyed 5,100 tons of chemical weapons agents. The employee-owned group was founded in 1944.