Yasuyuki Kamei

Airex, Inc. engages in system development and its related incidental business. It operates through the following business divisions: Application Development for Large Enterprises, System Development for Government Agencies and Social Infrastructure Systems, Embedded System Development, Communication System Development, Information Technology (IT) Infrastructure Design, Construction, and Operation, and Evaluation and Verification Work. The Application Development for Large Enterprises business division manages the ordering system for the logistic industry, facility and equipment monitoring system for the distribution industry, and production management system for the manufacturing industry. The System Development for Government Agencies and Social Infrastructure Systems business division includes disaster prevention systems and fixed asset management systems for local governments, and infrastructure construction of photovoltaic power generation monitoring systems. The Embedded System Development business division handles embedded software for medical equipment, automatic operation systems, and car navigation system development. The Communication System Development business division offers IoT service systems and next generation mobile communication related systems. The Information Technology (IT) Infrastructure Design, Construction, and Operation business division offers construction of network servers for public and retail industries and maintenance of internal corporate systems. The Evaluation and Verification Work business division includes the evaluation and verification for electric manufacturers and telecommunication carriers. The company was founded by Koji Hida on November 8, 1948 and is headquartered in Tokyo, Japan.

Part of TCS Holdings Co., Ltd., Tokyo Computer Service Co. Ltd. is a Japanese company that provides software development services. The company is based in Chiyoda-ku, Japan.

Technol Seven Co., Ltd. engages in the manufacture and sale of office equipment and measuring instruments. It operates through the following segments: Systems Business, Office Equipment, and Real Estate. The Systems Business segment offers development contract of business applications, embedded systems, and control systems. The Office Equipment segment manufactures and sells time recorders, check writers, system time recorders, automatic paper folding machines, and time keeping systems. The Real Estate segment leases condominiums and apartments. It also operates in construction, operation and monitoring of information technology infrastructure. The company was founded in June 1947 and is headquartered in Tokyo, Japan.

Techno Sevensystems Co. Ltd. operates computer software development companies. The firm develops application software, communication software, control system software and other related software. The company was founded in March 2001 and is headquartered in Tokyo, Japan.