Corporate Information
Company
Name
Sumisho Aero-Systems Corporation
Establishment
Date
September 20, 1982
Representative
President & CEO Tomonori Ueno
Capital
350 million yen
Shareholder
SUMITOMO CORPORATION.(100%)
Location
Headquarters
5F, Sumitomo Shoji Takebashi Bldg., 1-2-2, Hitotsubashi, Chiyoda-ku, Tokyo 100-0003
TEL: 03-6551-2074
Chubu Office
43F, JR Gate Tower, 1-1-3, Meieki, Nakamura-ku, Nagoya-shi 450-6643
TEL: 052-583-2211
Overseas offices
New York (USA), London (UK)
Number of
employees
167(including loan employees)(as of March 31, 2025)
Company
officers
President & CEO:Tomonori Ueno
Executive Vice President, Sales & Marketing Division General Manager: Masatoshi Yamabayashi
Board Director, Administration Division General Manager and Corporate Planning & Coordination Group General Manager: Kazuhiro Doi
Board Director, Chubu Office General Manager: Takashi Sawai
Executive Officer, Sales & Marketing Division Deputy General Manager and Chubu Office Deputy General Manager: Atsushi Muto
Corporate Auditor (part-time): Toshio Yoshida
Corporate Auditor (part-time): Masaki Hayashi
Major business
Sale of aircrafts, marine vessels and land vehicles and associated equipment and systems operated by the Ground, Maritime and Air Self-Defense Forces.
Undertake new development projects.
Certification
Sumisho Aero-Systems Corporation participates in the multi-site system of the Sumitomo Corporation Group and received ISO14001 certification in June 2010. In accordance with the environmental policies of the Sumitomo Corporation Group, all Sumisho Aero-Systems Corporation employees work together to develop and implement environmental management.
*Multi-site system: Under this system, multiple organizations and offices (sites) undergo certification examination collectively.
Certification Details
Registered
business
Sumitomo Corporation
Headquarters
Registration no.
JQA-EM0451
Scope of
registered
activities
Importation, domestic sale and maintenance of aircraft equipment, engine equipment, satellite equipment, telecommunications equipment and other related equipment; office-related activities
Date of initial
registration
June 18, 1999
Date of lates
registration
March 8, 2022
Accredited
certification
body
Japan Quality Assurance Organization
Environmental policies
At Sumisho Aero-Systems Corporation, we undertake environmental management in line with the environmental policies of Sumitomo Corporation. The following are the environmental policies of the Sumitomo Corporation Group.
The Sumitomo Corporation Group recognizes that environmental issues are global in scale and that they are long-range concerns affecting future generations. As a global organization, the Sumitomo Corporation Group, through sound business activities, will strive to achieve sustainable development aimed at both social and economic progress and environmental preservation. In line with its basic environmental policy, the Sumitomo Corporation Group shall implement environmental management which conforms to the following guidelines in its transactions, development, investment and other business activities.
Basic Policy
The Sumitomo Corporation Group recognizes that environmental issues are global in scale and that they are long-range concerns affecting future generations. As a global organization, the Sumitomo Corporation Group, through sound business activities, will strive to achieve sustainable development aimed at both social and economic progress and environmental preservation.
Basic Guidelines
In pursuing its diversified business activities both within Japan and overseas, Sumitomo Corporation Group shall comply with the following guidelines, and, through cooperation between its Group companies, work to achieve the aims of its environmental Basic Policy.
1. Basic stance with regard to the environment:
To place great importance on protecting the global environment as a good corporate citizen in accordance with the Sumitomo Corporation's Activity Guidelines.
2. Compliance with environmental legislation:
To strictly observe legislation related to environmental matters not only in Japan but also overseas, and to abide by any agreements made.
3. Caring for the natural environment:
To place great importance on preserving the environment, including the natural ecosystem and biodiversity.
4. Response to climate change:
To place great importance on mitigating climate change and adapting to its impact.
5. Efficient use of resources and energy:
To be mindful of the finite availability of resources and energy and strive to use them both efficiently and effectively.
6. Contributing to the building of a recycling-oriented society:
To endeavor to help build a recycling-oriented society by reducing waste and reusing and recycling resources.
7. Promotion of businesses that contribute to environmental preservation:
To utilize our integrated corporate strength to promote businesses and projects which contribute to environmental preservation and reduction of the impact of society on the natural environment.
8. Establishment of environmental management:
To use an environmental management system to set environmental objectives and targets which are regularly reviewed and continuously upgraded, and strive to prevent environmental pollution.
9. Dissemination and disclosure of the environmental policy:
To communicate this environmental policy to all people who are working for or on behalf of the Sumitomo Corporation Group, as well as disclosing it externally.
Access MAP
Headquarters

Approx. 1 minute walk from Takebashi Station on the Tokyo Metro Tozai Line
Approx. 5 minute walk from Jimbocho Station on the Tokyo Metro Hanzomon Line / Toei Mita Line / Toei Shinjuku Line
Chubu Office

Directly accessible from JR Nagoya Station (Shinkansen/conventional rail lines)