Parsons Corporation is an American multinational technology-focused defense, intelligence, security, and infrastructure engineering firm headquartered in Chantilly, Virginia. The company was founded in 1944. As of 2023, Parsons employs more than 18,000 professionals across 30 countries. Following its initial public offering in 2019, Parsons was included in the Fortune 1000 in 2020 and was added to the S&P 400 in 2024. Carey Smith serves as Chairwoman, President, and CEO of Parsons. Wikipedia