Founded in 2000, National Nuclear Security Administration is a well-known corporate investor based in Washington, D.C. They primarily invest in startups that are 6-10 years old and focus on areas such as medical devices and manufacturing. One notable startup in their portfolio is SHINE Medical Technologies. While they typically engage in less than 2 deals per year, their investments range from $10 to $50 million and usually involve a single participant. In addition to National Nuclear Security Administration, Wisconsin Investment Partners also frequently funds startups.