Thales Defense & Security, Inc.

Defense and Space ManufacturingMaryland, United States1001-5000 Employees

Thales Defense & Security, Inc. is a U.S.-based defense and space manufacturing company headquartered in Clarksburg, Maryland, with a history spanning roughly six decades in serving defense customers across air, land, and sea domains. It operates through three subsidiaries—Tampa Microwave, Advanced Acoustic Concepts, and Trusted Cyber Technologies—extending its reach across communications, visualization, and electronic warfare and sensing for military use. The organization serves U.S. Joint Services, special operations forces, and multinational partners with integrated systems designed for mission-critical operations. Its activities span a broad range of defense capabilities across air, land, and sea domains, including communications, visualization, and situational awareness. In 2025, the company announced collaborations and participated in industry events that indicate ongoing expansion of maritime surveillance and safety capabilities, including a partnership to develop a maritime surveillance drone with Skydweller Aero. The company operates with a sizable workforce.

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