STM Savunma Teknolojileri ve Mühendislik A.Ş.
STM was established in 1991 for the provision of project management, system engineering and consultancy services to the Presidency of Defence Industries (SSB) and the Turkish Armed Forces (TAF) in fields requiring high technologies, and to support the national security of Türkiye. In the present day, STM operates in a wide variety of areas, ranging from naval platforms to tactical mini-UAV systems, and from cyber security to satellite technologies. Aside from its role in many national projects being conducted by the Turkish defence sector, STM is also engaged in export and business development activities in more than 20 countries.