| 1956 |
1956 |
| 1959 |
1959 |
| 1963 |
In 1963: Merged three companies, Sanwa Shutter Manufacturing Co., Ltd., Sanwa Shutter Co., Ltd., and Sanwa Trading Co., Ltd. The company was renamed Sanwa Shutter Industry Co., Ltd., and headquarters moved to Tokyo. Listed on the Second Section of the Tokyo Stock Exchange. |
| 1968 |
In 1968: Listed on the Second Section of the Osaka Securities Exchange. Headquarters relocated to Itabashi-ku, Tokyo. |
| 1969 |
In 1969 |
| 1981 |
1981: Yasushi Takayama appointed as President |
| 1981 |
In 1981: Toshi Takayama appointed as President. |
| 1982 |
1982: Launch of 24-hour full-time service (FTS) nationwide |
| 1984 |
1984: Started storefront sales at Showa Front Sales Co., Ltd. (now: Showa Front Co., Ltd.) |
| 1986 |
1986: Established Sanwa Curtain (Hong Kong) Limited in Hong Kong |
| 1987 |
1987: Established Sanwa Exteriors Co., Ltd. |
| 1988 |
1988: Changed fiscal year-end to March; Established Anwa Metal Industries Co., Ltd. in Taiwan |
| 1990 |
In 1990 |
| 1992 |
In 1992 |
| 1996 |
In 1996: Okinawa Sanwa Shutter Co., Ltd., which was spun off from the Okinawa Regional Business Division, began operations. Acquired Overhead Door Corporation, a top share in overhead doors and shutters in the US. |
| 1999 |
In 1999: Acquired all shares of Tajima Junzo Manufacturing Co., Ltd., a top brand in stainless steel building materials (now Sanwa Tajima Co., Ltd.). Transferred sales operations of Sanwa Exteriors Co., Ltd. to the company, and production operations to Sanwa Exteriors Niigata Factory Co., Ltd. |
| 2003 |
In 2003: Acquired Novoferm Group, Europe's second-largest door and shutter manufacturer, establishing a three-pole system in Japan, the US, and Europe. Acquired all shares of Venix Co., Ltd., strengthening partition business. |
| 2004 |
In 2004: Fatal accident occurred involving large automatic revolving doors installed by Sanwa Tajima Co., Ltd. Established CSR Promotion Office to promote risk management, legal compliance, and environmental measures. Started Safety and Quality Inspection Week. |
| 2005 |
In 2005: Established 'Safety Pledge Day' (March 26). Formed comprehensive business and capital alliance with Hokoku Co., Ltd. to strengthen disaster prevention and crime prevention businesses. Acquired all shares of Tajima Metal Works Co., Ltd., to enhance stainless steel product sales. |
| 2008 |
In 2008: Acquired all shares of Hayashi Kogyo Co., Ltd., a steel door manufacturer. |
| 2009 |
In 2009: Overhead Door Corporation acquired Wayne Dalton's door business. Overhead Door Corporation acquired all shares of Creative Door Service to strengthen door service business in North America. |
| 2012 |
In 2012: Overhead Door Corporation acquired Door Control to strengthen automatic door service business. Acquired Advanced Door Automation to further strengthen automatic door service business. |
| 2013 |
In 2013: Overhead Door Corporation acquired Texas Access Control to strengthen automatic door service business. |
| 2014 |
In 2014: Acquired shares of Shinpo Spinning Mill (now Sanwa Denso Engineering Co., Ltd.). Novoferm Group acquired Alpha Corporation (Netherlands). Acquired 50% of Donban NF shares from NF GmbH, making it a subsidiary. ODC acquired Horton Automatics of Ontario to strengthen automatic door service business. |
| 2016 |
In 2016: Transitioned from a company with auditors to a company with an Audit & Supervisory Committee. Novoferm Group acquired all shares of Nordskog Gestion in France. |
| 2017 |
In 2017: Acquired additional shares of Novoferm UK, becoming a wholly owned subsidiary. |
| 2018 |
In 2018: Novoferm Group acquired Bolton Gate Services to strengthen service business in the UK. Established Osaka Factory of Sanwa System Wall Co., Ltd. |
| 2019 |
In 2019: Acquired Robust Co., Ltd. (Sweden) to expand into the UK and Scandinavia. Acquired shares of LIXIL Suzuki Shutter Co., Ltd. (now Suzuki Shutter Co., Ltd.). |
| 2021-04-05 |
Hosting the 52nd Storefront Competition (Showa Front) |
| 2021-11-08 |
Showa Front announces award-winning works of the 52nd Storefront Competition (Showa Front) |
| 2022-04-04 |
Hosting the 53rd Storefront Competition (Showa Front) |
| 2022-11-14 |
Showa Front announces award-winning works of the 53rd Storefront Competition (Showa Front) |
| 2023-04-10 |
Hosting the 54th Storefront Competition (Showa Front) |
| 2023-11-13 |
Showa Front announces award-winning works of the 54th Storefront Competition (Showa Front) |
| 2024-01-10 |
Support for the Noto Peninsula Earthquake of Reiwa 6 (2024) (Sanwa HD) |
| 2024-04-05 |
Hosting the 55th Storefront Competition (Showa Front) |
| 2024-11-14 |
Showa Front announces award-winning works of the 55th Storefront Competition (Showa Front) |
| 2025-11-07 |
Showa Front announces award-winning works of the 56th Storefront Competition (Showa Front) |
| 2026-01-22 |
High wind pressure window shutter "Madmore Windproof Guard" received the Encouragement Award at the "Disaster Prevention & Mitigation × Sustainability Award 2026" |
| 2026-02-02 |
Notice of personnel changes and organizational reform (effective April 1) |
| 2026-03-23 |
Expansion of the design scope of the "Water Guard Waterproof Shutter" |
| 2026-03-26 |
Sanwa Group celebrates its 70th anniversary |
