NTT

NTT Corporation (Nippon Telegraph and Telephone) is Japan's largest telecommunications company and one of the biggest in the world by revenue ($95B+). Founded in 1985 as a privatization of the state telecom monopoly, NTT operates through subsidiaries including NTT Data (IT services), NTT Docomo (mobile), and NTT Communications (enterprise networking).

NTT has developed tsuzumi, a Japanese-language large language model designed for enterprise applications in the Japanese market. The company leverages its massive telecommunications infrastructure and enterprise relationships to deliver AI solutions for network optimization, customer service automation, smart city applications, and cybersecurity. NTT Research operates AI research labs in Silicon Valley focused on fundamental breakthroughs in physics, cryptography, and medical informatics.

As Japan's telecommunications backbone, NTT is uniquely positioned to deploy AI at the infrastructure level — optimizing network performance, enabling edge AI applications, and providing AI-as-a-service to Japanese enterprises through its extensive data center network. The company's government relationships and critical infrastructure role make it a key player in Japan's national AI strategy.