Swedish Defence Research Agency (Totalförsvarets forskningsinstitut, FOI) is a Swedish government agency for defence research that reports to the Ministry of Defence. It has its headquarters in Kista, Stockholm and other locations in Grindsjön south of Stockholm, Linköping and Umeå. The activities of FOI include research, development of technology and analysis, primarily for military defence, but also for civil emergency, security and other civilian applications. In 2011, FOI employed around 950 people.