Headquartered in Clarksburg, MD, Thales Defense & Security, Inc. (TDSI) is a global company serving the defense, federal, and commercial markets with innovative solutions for the ground tactical, airborne and avionics, naval/maritime, and security domains.
 

Thales Defense & Security, Inc. is a subsidiary of Thales (Euronext Paris: HO), a global technology leader shaping the world of tomorrow today. The Group provides solutions, services and products to customers in the aeronautics, space, transport, digital identity and security, and defense markets. With 80,000 employees in 68 countries, Thales generated sales of €18.4 billion in 2019. Thales is investing in particular in digital innovations — connectivity, Big Data, artificial intelligence and cybersecurity – technologies that support businesses, organizations and governments in their decisive moments.