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Who we are

Our Company

Under the ever changing “World Environment” and the need to protect the “National Security of Japan” along with international peace keeping operations and disaster relief activities, SAS as a company, utilizing our extensive expertise, is highly focused in these areas as part of our core business objectives.

As a company Sumisho Aero-Systems has a significantly strong presence in the overall “Defense Market” which as part of our focus is consistently expanding allowing us to offer customers the opportunity to realize their needs, hopes and dreams from Land to Sky and even to Space!

Corporate Data

Company Name Sumisho Aero-Systems Corporation
Headquarters 1-2-2, Hitotsubashi, Chiyoda-ku, Tokyo
Date of establishment September 20, 1982
Stockholder Sumitomo Corporation (100%)
Sales 36.2Billion yen (as of the fiscal year ending March 2018)
Number of employees 148 as of April 2018
President and CEO Masaki Inaoka