Corporate information
Since its founding in 1918, Sanwa Tajima has contributed to the development of modern and contemporary architecture, both domestically and overseas, as a pioneer in architectural metalwork. In addition to creating products from stainless steel, copper alloys such as bronze and brass, and aluminum—including custom-made fittings, ornamental metalwork for interiors and exteriors, and other architectural metalwork—we pursue a broad range of activities, including the restoration and repair of the metal parts of modern and contemporary buildings and other metal artworks.
Company Profile
| Company name | Sanwa Tajima Corporation |
|---|---|
| President and representative director |
Toshihiro Shinomiya |
| Head Office | Forum IS Building, 2-77-5 Ikebukuro, Toshima-ku, Tokyo |
| Establishment | June 1918 |
| Incorporation | October 1938 |
| Business | design, manufacture, installation, construction, and sales of architectural metalwork |
| Fiscal year-end | March 31 |
| Number of employees | 315 (as of April 2025) |
| Capital | 100,000,000 yen |
| Number of shares issued | 460,000 shares |
| Shareholder | Sanwa Holdings Corporation (100% owner) |
| Affiliated Group Companies | Sanwa Holdings Group Network |
History of
Sanwa Tajima
| 1918 | Manufacture of the first architectural metalworks and metal artworks in Japan begins under the leadership of Junzo Tajima (founder and first president). |
|---|---|
| 1938 | Reorganized as a joint-stock company |
| 1954 | Osaka branch Office established |
| 1957 | Nagoya branch Office established |
| 1961 | Moroyama Factory opens at Moroyamamachi, Saitama. |
| 1965 | Nagoya Factory opens at Inuyama city, Aichi. |
| 1979 | Main factory moved to Moroyama Factory and designated as Saitama Factory. |
| 1999 | Becomes a group company of Sanwa Shutter Corporation. Head Office moves to Ikebukuro, Toshima-ku, Tokyo. |
| 2006 | As part of the reorganization of Sanwa Shutter Corporation, Company renamed Sanwa Tajima Corporation and integrates production and sales. |
| 2007 | With the reorganization of Sanwa Shutter Corporation, Sanwa Tajima becomes a Sanwa Holdings Corporation group company. |
| 2018 | Marks its 100th year in business |
| 2025 | Merged with group companies Yoshida Seisakusho Co., Ltd. and Metalwork Kansai Co., Ltd. |
