Head office Granparktower, 3-4-1 Shibaura, Minato-ku, Tokyo, Japan, 108-0023
Board of director
President and CEO Atsushi ICHIHOSHI
Senior Executive Vice President Nagahiro KURODA
Senior Executive Vice President Kimio NAKAMURA
Executive Vice President Satoshi USUI
Executive Vice President Mikihiro KITAMURA
Senior Vice President Kazuhiko MATSUBARA
Senior Vice President Satoshi OKUNO
Senior Vice President Hidetaka NAKAGITA
Senior Vice President Satoshi ABE
Senior Vice President Kazuhiro TAKEDA
Senior Vice President Takehiro AKAMA
Senior Vice President Yosuke NOZAKI
Senior Vice President Tamotsu KOMUTA
Senior Vice President Tetsutaro NAKAMURA
Senior Vice President Katsuro MAKI
Senior Vice President Hiroshi TANABE
Senior Vice President Yasushi TOTAKE
Corporate Auditor Satoru KOHNO
Corporate Auditor Jyun OKAYAMA
Corporate Auditor Natsuko FUJIKI

(As of 2018.8.1)  
Operations started December 1, 1992
Capital JPY12.4 billion
Investor NTT (Nippon Telegraph and Telephone Corporation ) (100%)
Consolidated employees 5,300(as of March 31st, 2017)
Consolidated sales 261.5billion (Fiscal Year 2017)
Description of businesses
1. General contracting of Architecture, Building structure, telecommunications and computer-related power supplies and equipment as listed below
1) Design, management, and construction
2) Operation, maintenance and repair
3) Construction management (management and coordination of construction process as owner's agent)
4) Cleaning, extermination and environmental monitoring
5) Surveys, research and development
6) Development, sale and leasing of fixtures and equipment
7) Development, production, sale and leasing of software
8) Collection, transportation and treatment of the general and industrial waste
2. Planning and consulting work as listed below
1) Real estate, telecommunications and computer power supply systems
2) Facilities management for real estate, building fixtures and equipment, interior fixtures and equipment and building environments
3) Environmental improvement and conservation
3. Planning, consulting and design for regional development and urban development
4. Sale, exchange, leasing, management and mediation of real estate and power supplies for telecommunications and computer equipment
5. Sale and leasing of office equipment, information equipment, mechanical equipment and interior fixtures
6. Security services
7. Parking lot management and operations services
8. Development, design, management, maintenance, sale, leasing and contracting for Privately used generators, air-conditioning systems and associated electrical and heating systems
9. Electricity and heating supply services using cogeneration systems (systems to simultaneously generate electricity and heat) etc.
10. Casualty insurance agency services
11. Asset Appraisal Business
12. Freight services
13. All work ancillary to the above