History
1917
Founded (Jusanhoncho, Yodogawa-ku, Osaka City)
1940
Relocated to location of previous headquarters (2-1-5 Tagawa, Yodogawa-ku)
1965
Incorporated as Takamatsu-Gumi Co., Ltd. (capital 3 million yen)
1980
Established Nihon Naiso Co., Ltd. (Currently Takamatsu Corporation Co., Ltd.)
1983
Opened Tokyo Branch (currently Tokyo Head Office)
1990
Changed the company name to Takamatsu Corporation Co., Ltd.
1991
Established our corporate philosophy
1993
Raised the status of Tokyo Head Office, Chiba Branch, and Saitama Branch
Established a new company emblem and logo mark
Established Yamato Construction Co., Ltd. (Osaka)
1994
Established Nippon Kensho Co., Ltd. (Osaka)
1996
Relocated the Headquarters and Osaka Head Office to the current address
(1-2-3 Shin-Kitano, Yodogawa-ku)
1997
Listed on the Second Section of the Osaka Stock Exchange
Announced reinforced concrete house "Wimble"
Started individual residence departments at both Osaka and Tokyo Head Offices
Established Yamato Construction Co., Ltd. (Tokyo)
1999
Acquired ISO 9001 certification at Osaka Head Office
Relocated the Tokyo Head Office to the previous address (7-12-7, Ginza, Chuo-ku)
2000
Listed on the Second Section of the Tokyo Stock Exchange
Acquired ISO 14001 certification for Headquarters and Osaka Head Office
Established Nihon Owners Credit Co., Ltd.
Komatsu Construction Industry Co., Ltd. (Komatsu Paving Co., Ltd.
Established Nippon Kensho Co., Ltd. (Tokyo)
2002
Aoki Construction Co., Ltd. (Aoki Marine Co., Ltd.) joined the group
Komatsu Construction Industry Co., Ltd. was renamed to Asunaro Construction Co., Ltd.
Established Greenwood Alliance (GWA)
2004
Suminoe Kogei Co.,Ltd. joined the group
Asunaro Construction Co., Ltd. and Aoki Construction Co., Ltd. merged
Changed the company name to Asunaro Aoki Construction Co., Ltd.
2005
Listed on the First Section of the Tokyo and Osaka Stock Exchanges
Established JP Home Co., Ltd.
Increased capital to 5 billion yen
2006
Kongo-Gumi Co., Ltd. joined the group
Established Daiwa Rock Co., Ltd.
Toko Construction Co., Ltd. joined the group
2007
Established GWA General Services Co., Ltd.
Nakamura Shaji Co., Ltd. joined the group
2008
In accordance with the transition to the holding company system, Takamatsu Corporation Co., Ltd. (holding company) was split into Takamatsu Construction Group Co., Ltd. (operating company) and Takamatsu Corporation Co., Ltd.
Mirai Construction Industry Co., Ltd., Mirai Geotech Co., Ltd., Techno Marix Co., Ltd., and Mfs Co., Ltd. Joined the group
2012
Opened Takamatsu Construction Group Building
Relocated Tokyo Head Office (4-8-2 Shiba, Minato-ku)
2017
Yamato Construction Co., Ltd. changed its name to Takamatsu Techno Service Co., Ltd., and Nihon Kensho Co., Ltd. changed its name to Takamatsu Estate Co., Ltd.
2018
Mibu Corporation Co.,Ltd. joined the group
2019
Established Takamatsu House Co., Ltd.
Tatsumi Planning Co., Ltd. joined the group