1956
1959
1963: Merger of Mizuho Shutter Manufacturing Co., Ltd., Mizuho Shutter Co., Ltd., and Mizuho Trading Co., Ltd. The company name was changed to Mizuho Shutter Industrial Co., Ltd., and the headquarters was moved to Tokyo. Listed on the Second Section of the Tokyo Stock Exchange.
1968: Listed on the Second Section of the Osaka Stock Exchange. Headquarters moved to Itabashi-ku, Tokyo.
1969
1981: Toshitaka Takayama appointed as President
1981: Takayama Toshiryu appointed president.
1982: Nationwide rollout of 24-hour Full-Time Service (FTS)
1984: Started selling Storefronts at Showa Front Sales Co., Ltd. (now Showa Front Co., Ltd.)
1986: Established Sankyo Kenzai (Hong Kong) Ltd. in Hong Kong
1987: Established Sankyo Exterior Co., Ltd.
1988: Changed fiscal year-end to March; established Anwa Metal Industry Co., Ltd. in Taiwan
1990
1992
1996: The Okinawa Mizuho Shutter Co., Ltd., which was spun off as the Okinawa Regional Business Division, began operations. Acquired Overhead Door Corporation, the leading U.S. overhead door and shutter company.
1999: Acquired all shares of Tajima Junzo Manufacturing Co., Ltd., a top brand in stainless steel building materials (now Mizuho Tajima Co., Ltd.). Transferred the sales operations of Mizuho Exterior Co., Ltd. to our company, and the production operations to Mizuho Exterior Niigata Factory Co., Ltd.
2003: Acquired Novofel Group, the second largest door and shutter maker in Europe. Established a three-pronged structure in Japan, the United States, and Europe. Acquired all shares of Benix Co., Ltd., strengthening the partition business.
2004: A fatal accident occurred with a large automatic revolving door installed by group company Mizuho Tajima Co., Ltd. Established a CSR Promotion Office. Promoted risk management, compliance with laws, and environmental measures as corporate social responsibility. Started Safety and Quality Inspection Week.
2005: Established 'Safety Pledge Day' (March 26). Formed a comprehensive business and capital alliance with Hoichi Co., Ltd., strengthening disaster prevention and security businesses. Acquired all shares of Tajima Metal Works Co., Ltd., strengthening stainless steel product sales.
2008: Acquired all shares of Hayashi Industrial Co., Ltd., a steel door manufacturing company.
2009: Overhead Door Corporation acquired the door business of Wayne Dalton Company. Overhead Door Corporation acquired all shares of Creative Door Service, strengthening door service operations in North America.
2012: Overhead Door Corporation acquired Door Control Co., Ltd., strengthening its automatic door service business. Overhead Door Corporation acquired Advanced Door Automation Co., Ltd., further strengthening its automatic door service business.
2013: Overhead Door Corporation acquired Texas Access Control Co., Ltd., strengthening its automatic door service business.
2014: Acquired shares of Shunpo Bunkyo Manufacturing Co., Ltd. (now Mizuho Electrical Engineering Co., Ltd.). Novofel Group acquired Alpha Co. (Netherlands). Acquired 50% of Donban NF shares from NF GmbH, making it a subsidiary. ODC acquired Hutton Automatics of Ontario Inc., strengthening its automatic door service business.
2016: Transitioned from a company with auditors to a company with an audit committee. Acquired all shares of Norsud Gestion in France within the Novofel Group.
2017: Further acquired shares of Novofel UK Ltd., making it a wholly-owned subsidiary.
2018: Novofel Group acquired Bolton Gate Service Co., Ltd., strengthening service operations in the UK. Established a new Osaka factory for Mizuho System Wall Co., Ltd.
2019: Acquired Robust Inc. (Sweden) to expand into the UK and Scandinavia. Acquired shares of LIXIL Suzuki Shutter Co., Ltd. (now Suzuki Shutter Co., Ltd.).
Hosted the 52nd Storefront Competition (Showa Front)
Showa Front announced award-winning works of the 52nd Storefront Competition (Showa Front)
Hosted the 53rd Storefront Competition (Showa Front)
Showa Front announced award-winning works of the 53rd Storefront Competition (Showa Front)
Hosted the 54th Storefront Competition (Showa Front)
Showa Front announced award-winning works of the 54th Storefront Competition (Showa Front)
Support for the Reiwa 6 Noto Peninsula Earthquake (Sankyo HD)
Hosted the 55th Storefront Competition (Showa Front)
Showa Front announced award-winning works of the 55th Storefront Competition (Showa Front)
Showa Front announced award-winning works of the 56th Storefront Competition (Showa Front)
High wind-resistant pressure window shutter 'Madame Wind Guard' received the Encouragement Award at the Disaster Prevention and Mitigation × Sustainable Award 2026
Announcement of personnel changes and organizational reform (effective April 1)
Expanded the design scope of the Water Guard waterproof shutter
Sankyo Group celebrates its 70th anniversary
Sankyo Holdings Co., Ltd. is celebrating the 50th production of the Marilyn Monroe calendar, a tradition since 1979. We will give away A1-size (594×841mm) monochrome printed calendars to 100 lucky winners selected by lottery. To enter, send a postcard with your address, name, age, and phone number to the specified address. The deadline is Friday, December 4, and winners will be notified at the time of shipment.
Sankyo Holdings announced personnel changes effective November 1. Mr. Koutomo Noritake will transition from Director of the Asia Business Division to President of Sun Metal Co., Ltd.
Sanwa Holdings will implement a policy to grant shares and increase the incentive bonus rate to a maximum of 30% through the Employee Stock Ownership Plan in celebration of its 70th anniversary. Eligible employees will receive 10 shares, and the incentive bonus rate will also be increased to a maximum of 30% during the period.
Sanwa Holdings published its integrated report on September 30, 2026. The report introduces the company's history, strategy, and sustainability initiatives, with expanded ESG information. It also covers the long-term vision and digitalization strategy.
Sanwa Holdings extends its heartfelt sympathy to those affected by heavy rain disasters across Japan from August to September 2026 and wishes them safety and a speedy recovery. It provides guidance on using waterproof products during typhoons and torrential rain and operating electric products during power outages and earthquakes.
Sanwa Holdings Corporation announced a personnel change at Sanwa Shutter Corporation on September 18, 2026. Effective October 1, Hirofumi Imori will become leader of the West Japan Building Construction Management Group in the Construction Management Department. He previously served as chief of the Chubu Building Construction Management Section.
Sanwa Holdings Corporation and Sanwa Shutter Corporation have decided to donate a total of ¥10 million in disaster relief: ¥5 million each to Kumamoto Prefecture and Yatsushiro City. They expressed their sincere wishes for the affected areas' recovery and reconstruction.
Sanwa Shutter Corporation installed solar panels on the roof of its Performance Testing Center and began operation on August 31, 2026. The panels cover approximately 875 m² and have a generating capacity of about 217 kW, with an expected annual reduction of approximately 67 tons of CO₂ emissions.
Sanwa Shutter Corporation will launch EUGA NEO, a high-insulation garage door in its Re-carbo series, on September 1. It uses a high-insulation panel from European group company Novoferm and has a thermal transmittance of 0.91 W/m²·K, equivalent to H-8 insulation grade. It is well suited to ZEH homes and built-in garages in cold regions, and also offers an attractive design and condensation resistance.
Autoa, a lightweight steel powered apartment door manufactured by Sanwa Shutter Corporation, received the 20th Kids Design Award. It features hands-free locking and unlocking and automatic opening and closing, with a design suited to families with children and older adults. Combining a refined appearance with strong functionality, it adds a premium touch to residential entrances.