1. Manufacturing and sales of devices, machinery, and parts related to communication, electronics, electrical measurement, information processing, and general electricity. 2. Manufacturing and sales of scientific instruments, precision machinery, and other devices, machinery, and parts not specified in the previous item. 3. Manufacturing and sales of medical devices and parts. 4. Manufacturing and sales of software. 5. Design and contracting of construction related to items 1, 2, 3, and 4. 6. Rental and leasing business related to items 1, 2, 3, and 4. 7. System construction and design consulting services related to items 1, 2, 3, and 4. 8. Business related to damage insurance agency and life insurance solicitation. 9. Packing, packaging, transportation, storage, and management services for various products. 10. Cleaning, maintenance, management, and security services for land and buildings. 11. Various information provision service businesses. 12. Human resource dispatch business based on the Worker Dispatch Law. 13. All other businesses incidental to the above items.

Japan Meteorological Corporation, Japan Aerospace Exploration Agency, Toshiba Corporation, Kawasaki Heavy Industries, Kansai Electric Safety Association, Japan Meteorological Agency, Kyushu Electric Safety Association, Railway Technical Research Institute, Ministry of Land, Infrastructure, Transport and Tourism Aviation Bureau, Central Japan Railway Company, NTT West Corporation, West Japan Railway Company, Japan Signal Co., Ltd., NEC Corporation, NHK (Japan Broadcasting Corporation), NTT East Corporation, East Japan Railway Company, Subaru Corporation, Hokkaido Electric Safety Association, Ministry of Defense, Mitsubishi Heavy Industries, local governments (in alphabetical order, honorifics omitted)