Public safety communications

() is a Japanese multinational conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable energy, railway systems, healthcare products, and financial systems. The company was founded as an electrical machinery manufacturing subsidiary of the Kuhara Mining Plant in Hitachi, Ibaraki, by engineer Namihei Odaira in 1910. It began operating as an independent company under its current name in 1920.

is a Japanese multinational information technology corporation headquartered at the NEC Supertower in Minato, Tokyo, Japan. It provides IT and network solutions, including cloud computing, artificial intelligence (AI), Internet of Things (IoT) platform, and telecommunications equipment and software to business enterprises, communications services providers and to government agencies. It is one of the five largest defense contractors in Japan.

the function of governments which ensures the protection of citizens, persons in their territory, organizations, and institutions against threats to their well-being

Japanese telecommunication company

Japanese electronics firm founded 1915

Codan Limited is a manufacturer and supplier of communications, metal detection, and mining technology, headquartered in Adelaide, South Australia with revenue of A$348.0 million (2020).