NTT Group, or Nippon Telegraph and Telephone Corporation, is a major telecommunications company based in Japan. Founded in 1952, it provides a wide range of services, including fixed-line and mobile communications, data centers, and cloud services. NTT Group operates globally, serving both individual consumers and businesses. The company is known for its innovation in technology and has invested heavily in research and development. NTT Group comprises several subsidiaries, including NTT Communications, NTT Docomo, and NTT Data, each focusing on different aspects of telecommunications and IT services.