Nippon Steel Special Equipment Co., Ltd.

Founded as a 100% subsidiary of Nippon Steel Corporation (capital 50 million yen). Headquarters located at 1-1-2 Yurakucho, Chiyoda-ku, Tokyo.

Commenced business by taking over the fifth-stage maintenance of weapons and parts supply operations from Nippon Steel Corporation.

Opened a Sapporo branch office.

Opened a Tohoku office.

Integrated the machine division of Nippon Steel Corporation's Muroran plant.

Opened a Kyushu office.

Integrated the industrial machinery (including design) division and assembly division of Nippon Steel Corporation's Muroran plant.

Relocated headquarters to 2-2-8 Roppongi, Minato-ku, Tokyo.

Renamed the Sapporo branch office to Sapporo Sales Office.

Completed a new office at the Muroran plant and integrated the administrative and management departments.

Relocated and integrated the Special Equipment factory at the Muroran plant.

Increased capital to 200 million yen.

Moved the sales office from Sapporo to Eniwa and renamed it the Hokkaido Sales Office.

Relocated headquarters to J Tower, Nikkō-cho, Fuchu City, Tokyo.

Opened a Hiroshima plant.

Commenced operations.

Separated the machine and industrial machinery (including design) divisions to focus exclusively on the Special Equipment division (capital 100 million yen).

Moved headquarters to Nishishinjuku, Shinjuku-ku, Tokyo (Shinjuku Mitsui Building).

Moved the Hiroshima office to the same site within the Hiroshima Manufacturing Plant of Nihon Seiko Co., Ltd.

Moved the Hokkaido sales office from Tōi, Ebina City to Aioi Town.

Closed the Tohoku office.

Opened the Kansai office.

Renamed the Hokkaido sales office to Hokkaido Office, and opened the Kanto and Tohoku offices within the headquarters.

Moved the headquarters, Kanto and Tohoku offices to Ōsaki, Shinagawa-ku, Tokyo (Gate City Ōsaki West Tower).

Moved the Hokkaido office from Aioi Town, Ebina City to Kitahomiyono.