Management Systems International (MSI) is a management consulting firm that provides technical assistance, monitoring and evaluation, and research services to government agencies, non-governmental organizations, and private sector clients. The company was founded in 1981 and is headquartered in Washington, D.C. MSI has worked in over 100 countries and has implemented projects in a variety of sectors, including democracy and governance, economic growth, and health. The company has received numerous awards for its work, including the 2019 USAID Small Business of the Year Award.