| 1975 |
Established Daisan Machinery Industrial Association Co., Ltd. in Kami-hen-cho, Sakai City, Osaka Prefecture (now Sakai-ku, Sakai City) for manufacturing, selling, and press processing of architectural fittings and temporary equipment. |
| 1975 |
Joined the Temporary Construction Industry Association. |
| 1975 |
Commenced manufacturing and sales of DS brackets. |
| 1978 |
Commenced manufacturing and sales of DS couplers. |
| 1980 |
Developed and began manufacturing and selling the Kusabi-style low-rise temporary scaffold 'Bike scaffold'. |
| 1980 |
Opened a product center in Shibai Hatayama-cho, Sakai City, Osaka Prefecture (now Sakai-ku, Sakai City). |
| 1980 |
Developed the industry's first 'Bike Scaffold'. Focused on developing scaffolds with excellent workability and safety, and the 'Bike Scaffold' based on the principle of a wedge became the first of its kind in Japan. |
| 1980 |
Developed the industry's first 'Bike Scaffold'. |
| 1982 |
Established the Bike scaffold division in Hirai, Sakai City, Osaka Prefecture (now Sakai-ku, Hirai). |
| 1982 |
Relocated headquarters and factory to Toki Kita, Sakai City, Osaka Prefecture (now Sakai-ku, Toki Kita). |
| 1982 |
Established the Bike Association. |
| 1982 |
Established the Bike Association with partner companies involved in the Bike business as members, aiming to promote the 'Bike Scaffold'. In 2006, the previously separate East Japan and West Japan Bike Associations were merged to form the new 'Bike Association'. |
| 1982 |
Established the Bike Association (with partner companies involved in the Bike business as members, aiming to promote the 'Bike Scaffold'). |
| 1983 |
Opened the Bike scaffold division Fukuoka sales office in Higashi-ku, Fukuoka City (now Fukuoka Service Center). |
| 1984 |
Separated the Bike scaffold division as a company for sales and rental of Bike scaffold in western Japan, incorporated as Bike Co., Ltd. with capital of 20 million yen. |
| 1984 |
Bike scaffold became a certified product of the Temporary Construction Industry Association. |
| 1988 |
Developed the 'Bike Rental System', which adds quality assurance and disaster compensation to the design-and-construction-inclusive rental of Bike scaffold. |
| 1988 |
Introduced BI (Brand Identity). |
| 1989 |
Changed the company name to Daisan Co., Ltd. |
| 1989 |
Moved headquarters to Chuo-ku, Osaka City. |
| 1991 |
Opened a Tokyo branch office in Koto-ku, Tokyo. |
| 1992 |
Opened a Kyushu branch office (now Kyushu branch) in Hakata-ku, Fukuoka City. |
| 1993 |
Moved the Tokyo branch office (now Tokyo branch) to Chuo-ku, Tokyo. |
| 1993 |
Commenced manufacturing and sales of DS Step. |
| 1994 |
Commenced manufacturing and sales of DS Pipe-Style Bracket. |
| 1995 |
Commenced manufacturing and sales of DS Hangar Stage. |
| 1996 |
Commenced manufacturing and sales of DS Balcony Step. |
| 1997 |
Merged with BIK Co., Ltd., inheriting 15 service centers, 4 maintenance workshops, etc. |
| 1997 |
Moved the Fukuoka Service Center to Koga City, Fukuoka Prefecture. |
| 2000 |
Listed shares on the Second Section of the Osaka Stock Exchange. |
| 2000 |
Obtained ISO 9001 certification for quality assurance. |
| 2000 |
Moved the Kyushu branch to Koga City, Fukuoka Prefecture. |
| 2001 |
Moved the Osaka maintenance workshop to the site of the Sakai workshop. |
| 2002 |
Commenced direct sales of BIK components to the eastern Japan region. |
| 2004 |
Opened Osaka North Service Center in Hirakata City, Osaka Prefecture. |
| 2005 |
Opened service centers in Kurashiki City, Okayama Prefecture; Kitakyushu City, Fukuoka Prefecture; and Asaminami-ku, Hiroshima City. |
| 2006 |
Opened Kanagawa Service Center in Sagamihara City, Kanagawa Prefecture; Tokyo Service Center in Musashimurayama City, Tokyo; Fukuoka East Maintenance Workshop in Kitakyushu City, Fukuoka Prefecture; and reorganized the BIK Association. |
| 2007 |
Opened the Saitama Service Center in Sayama City, Saitama Prefecture; relocated headquarters to Minamimachi, Chuo-ku, Osaka City; established the Saitama Maintenance Factory in Sayama City, Saitama Prefecture; and began manufacturing and selling BX handrails. |
| 2008 |
Transitioned from the product-centered 'Bike Rental System' to the people-centered 'Bike System Service', and launched the internal certification program 'Bike Scaffold Construction'. |
| 2009 |
Launched the internal certification program 'Bike Scaffold Diagnosis'. |
| 2010 |
Opened the Yokohama Service Center in Yokohama City. |
| 2010 |
Standardized the 'Bike Scaffold BX Method: ®:'. |
| 2011 |
The internal certification program 'Bike Scaffold Construction' was certified by the Ministry of Health, Labour and Welfare. |
| 2013 |
Transitioned to the Second Section of the Tokyo Stock Exchange. |
| 2014 |
Commenced manufacturing and sales of 'BL Guard' and 'DL Guard'. |
| 2015 |
Opened the Chiba Service Center in Inzai City, Chiba Prefecture. |
| 2017 |
Opened the Saitama North Service Center in Kuki City, Saitama Prefecture, and established the Fukuyama Service Center in Fukuyama City, Hiroshima Prefecture through a business acquisition. |
| 2018 |
Acquired shares of DRC Co., Ltd. (made it a subsidiary). |
| 2019 |
Opened the Kawasaki Service Center in Kawasaki City, Kanagawa Prefecture; commenced manufacturing and sales of 'Revolt'; acquired the Mirador Group (made it a subsidiary); established the subsidiary DAISAN INTERNATIONAL VIETNAM CO., LTD.; and relocated the Tokyo branch to Minato-ku, Tokyo. |
| 2021 |
Acquired shares of Systemin International Co., Ltd. (made it a subsidiary). |
| 2022 |
合弁会社PT DAISAN MINORI INDONESIA設立 |
| 2024 |
Obtained the 'DX Certified Business Operator' designation from the Ministry of Economy, Trade and Industry. |
| 2026 |
Acquired shares of Penguin Engineering & Construction Pte. Ltd. (made it a subsidiary). |
