Society of Japanese Aerospace Companies (SJAC)

The Society of Japanese Aerospace Companies (SJAC) is Japan's aerospace industry association, based at 2-5-8 Akasaka, Minato-ku, Tokyo. Established in 1952 with the resumption of Japan's aircraft industry, it expanded from aviation into space development and was reorganised under its present name in 1974, then became a general incorporated association in 2012 with the approval of the Cabinet Office following public interest corporation reforms. SJAC brings together around 130 companies involved in the development and manufacturing of aircraft, satellites, rockets and related technologies, and supports the growth of the aerospace industry in Japan and worldwide through technology advancement, international collaboration and research.

Activities

• Hosting the Japan International Aerospace Exhibition, Japan's only comprehensive aerospace exhibition, with aerospace companies and organisations from around the world taking part to promote business and information exchange
• Promoting Japan's aerospace industry at international exhibitions, including a national presence at the Paris Air Show
• Running the aviation industry EDI Center to improve the efficiency of order processing, enhancing the current EDI system and studying a next-generation system
• Operating the JAQG Aerospace Quality Center, which develops aerospace quality management system standards and promotes the JIS Q 9100 certification scheme to improve quality and reduce cost
• Standardisation activities, supply chain support and programmes funded by JKA

Publications and data

SJAC publishes monthly figures on the turnover of Japan's aircraft industry, with recent releases covering March to July 2026, and sells publications on the Japanese and global aerospace industries. It also offers PDF publications introducing its organisation and activities, Japan's aerospace industry and an English catalogue of Japan's space-related products. Lists of regular and supporting members are available on its website.

Organisation

The association is led by a chair, vice chairs, directors and auditors, with branches and standing and ad hoc committees to carry out its activities. Under the executive vice president, the secretariat handles daily operations from the Akasaka office, which is close to Tameike-sanno, Akasaka and Kokkai-gijidomae stations on the Tokyo Metro.

Shows

The Society of Japanese Aerospace Companies appears in the partner lists of DSEI Japan 2027, where it is listed as a supporting organisation, and in the exhibitor lists of the Paris Air Show 2027.

Contact

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