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Asunaro Construction Co., Ltd. |
Aoki Corporation |
| 1940s |
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- 1947
- BULLDOZER KOJI CO., LTD. founded as the first mechanized civil engineering company in Osaka
- 1948
- Established Tokyo Branch
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| 1950s |
- 1950
- Established FUSO DOBOKU CO., LTD.
- 1959
- Established Komatsu Road Construction Co., Ltd. (fully invested by KOMATSU)
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- 1957
- Constructed the “Yokohama Shindo” (New Expressway) as the first expressway in Japan
- 1959
- Established Architectural and Building Department
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| 1960s |
- 1960
- Renamed FUSO DOBOKU CO., LTD. and Komatsu Road Construction Co., Ltd. merger to “Komatsu Fuso Construction Co., Ltd.”
- 1962
- Renamed Komatsu Construction Co., Ltd.
- 1966
- Started KOMATSU Oyama Plant Construction Project
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- 1960
- Carried out construction of the Tokaido Shinkansen Ayase Section Project
- 1963
- Built pusher barge fleet as the first of its kind in Japan and developed reclamation methods
- 1966
- Added construction of large-scale rockfill dam to Company’s activities (Kisenyama Dam for the Kansai Electric Power Co., Ltd.)
- 1969
- Architectural and Building Department established
- 1969
- Renamed Aoki Corporation
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| 1970s |
- 1970
- First construction project using an amphibious bulldozer (river flow path maintenance)
- 1973
- Established Komatsu Pavement Co., Ltd.
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- 1971
- Awarded contract for construction of the Taiwan North-South Freeway
- 1974
- Date communication network was established between the head office and all branches
Participated in Seikan Tunnel Construction Project
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| 1980s |
- 1980
- Carried out the Komatsu Airport Terminal Building Construction Project
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- 1988
- Acquired Westin Hotels, the US hotel chain
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| 1990s |
- 1991
- Carried out construction of the Komatsu Rokko island factory
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- 1990
- Established Westin Osaka
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| 2000 |
- 2000
- Takamatsu Construction Co., Ltd. acquired 69.15% of shares from Komatsu
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| 2001 |
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- 2001
- Petition for commencement of civil rehabilitation proceedings based on the civil rehabilitation law (termination of 2002/9 procedure)
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| 2002 |
- 2002
- Acquired 30% of shares from Aoki Corporation
Renamed Asunaro Construction Co., Ltd.
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- 2002
- Reduced capital by 100%
Komatsu Construction Co., Ltd. undertook 30% of shares, and Takamatsu Construction Co., Ltd undertook 70% of shares by third-party allotment
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| 2003 |
- 2003
- Relocated head office and Tokyo branch to Shiba, Minato-Ku, Tokyo
- 2003
- Announced merger of both companies
Concluded merger agreement
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- 2003
- Relocated head office and Tokyo branch to Shiba, Minato-Ku, Tokyo
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