Formerly known as CTC Holding, Constellation Technology Corporation develops and manufactures solutions for detecting and identifying nuclear, biological, and chemical hazards. The company focuses on sensors and instrumentation for the detection, control, and monitoring of weapons of mass destruction. It offers radiation detection products, such as a range of radiation detectors, radiation detection systems, and detector materials; chemical detection products for commercial and government markets; and various biological detection products. The company also operates a contract analytical services laboratory that provides chemical, mechanical, non destructive, materials, film X-ray, real-time X-ray, and ultrasonic testing services, as well as quality assurance, failure analysis, dye penetrant, and metallurgy services. It offers its products for defense and weapons nonproliferation applications, as well as for commercial and government applications in related markets, including space, medical, and the environmental fields