Parsons Corporation (Parsons) is an American technology-focused defense, intelligence, security, and infrastructure engineering firm headquartered in Centreville, Virginia. The company was founded in 1944. Parsons has more than 16,000 employees across 24 countries. Carey Smith serves as Chairwoman, President, and CEO of Parsons. The company has been named as one of the World’s Most Ethical Companies by Ethisphere for 13 consecutive years.