Parsons Corporation is one the world's largest, full-service engineering, procurement and construction organizations. Parsons is a recognized leader in diverse markets, including environmental, power, water resources, aviation, commercial, federal, industrial, infrastructure, institutional, mobile source air quality, chemicals/petrochemicals, refining and transportation.

Parsons has executed many of the DOE's major RD/RA programs, designed the largest and most complex chemical stockpile stewardship facility, and helped improve operations through ISA's and Systems Engineering support.