Osamu Sakiyama

NTT Communications Corp. provides domestic and international telecommunications services. It offers cloud, data center, networking, voice and video communications, managed security, operations management, and customer portal services. The company was founded on July 1, 1999 and is headquartered in Tokyo, Japan.

Part of Cube System Inc., Hokkaido Cube System Inc. is a Japanese system solution company founded in 1990. The company is based in Sapporo, Japan. The company proposes systems for various fields such as distribution, manufacturing, communication, public, finance, and medical care, with a focus on providing solutions that truly benefit users.

Cube System Vietnam Co., Ltd. provides a range of services including offshore system maintenance/development, technical verification research, and the supply of IT application software in the domestic market. The private company is based in Ho Chi Minh City, Vietnam. Recently, the Vietnamese company has expanded its services to include more areas.