NTT Corporation is a Japanese telecommunications company headquartered in Tokyo. It was established in 1952 and is one of the largest telecommunications companies in the world. NTT provides a wide range of services, including fixed-line and mobile communications, data services, and cloud computing solutions. The company operates several subsidiaries, including NTT Docomo, which focuses on mobile services, and NTT Data, which specializes in IT services. NTT Corporation plays a significant role in advancing technology and infrastructure in Japan and globally, contributing to innovations in telecommunications and information technology.