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October 1 |
IKK Corporation (formerly IHI Construction Materials Co., Ltd.) becomes a consolidated subsidiary |
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April 1 |
Vertex Co., Ltd. merged with three companies: MT Giken Co., Ltd., Tohoku Haneda Concrete Co., Ltd., and Universal Business Kikaku Co., Ltd. |
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June 1 |
Vertex Co., Ltd. merged with HANEX ROAD Co., Ltd. |
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November 9 |
Established Vertex Tec Vietnam Co., Ltd. (a non-consolidated subsidiary) |
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October 4 |
Proflex Co., Ltd. became a consolidated subsidiary |
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April 1 |
HANEDA ZENITH Co., Ltd. and HOKUKON CO., LTD. merged, changing their trade name to Vertex Co., Ltd. |
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April 1 |
Kyushu Vertex Co., Ltd. (formerly DC Co., Ltd.) becomes a consolidated subsidiary |
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October 1 |
Established Vertex Corporation |
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Please visit our Group company website for history prior to September 30, 2018.
