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Glossary
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SUMITOMO MITSUI CONSTRUCTION of the INFRONEER group company
will change its name to
ARSOCIA CONSTRUCTION.
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Challenging the preconceived notions
of infrastructure itself.
From there, the world will be freer.
CEO Messsage
Kibe-log
Blog by the president of INFRONEER.
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［Kibe-log］Vol.21：“The potential of Asian markets to boost INFRONEER’s growth strategy”
［Kibe-log］Vol.20：PMI of SUMITOMO MITSUI CONSTRUCTION - The biggest hurdle in PMI is the mental barrier.
［Kibe-log］Vol.19：Four reasons why I can confidently say that the acquisition of Sumitomo Mitsui Construction was the best management decision.
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News
IR News
2026.06.09
IR
Announcement Regarding Appointments of Executive Officers
2026.06.04
IR
Main Contents of Q&A from the FY2025 Financial Presentation
2026.06.02
IR
SUMITOMO MITSUI CONSTRUCTION
Notice Regarding INFRONEER Holdings Inc. Subsidiary (Sumitomo Mitsui Construction Co., Ltd.) Making SUMIKEN MITSUI ROAD CO., LTD. a Wholly-Owned Subsidiary
2026.05.29
Information
［Kibe-log］Vol.21：“The potential of Asian markets to boost INFRONEER’s growth strategy”
2026.05.29
IR
Notice of the 5th Ordinary General Meeting of Shareholders
News
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2026.05.29
Information
［Kibe-log］Vol.21：“The potential of Asian markets to boost INFRONEER’s growth strategy”
2026.04.27
Information
［Kibe-log］Vol.20：PMI of SUMITOMO MITSUI CONSTRUCTION - The biggest hurdle in PMI is the mental barrier.
2026.03.16
Information
［Kibe-log］Vol.19：Four reasons why I can confidently say that the acquisition of Sumitomo Mitsui Construction was the best management decision.
2025.05.19
Information
［Kibe-log］Vol.18：Massive impairment losses by contracted companies reveal the flaws in the offshore wind power generation business
2025.03.21
Information
［Kibe-log］Vol.17：Factors hindering the implementation of new technologies
IR News
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2026.06.09
IR
Announcement Regarding Appointments of Executive Officers
2026.06.04
IR
Main Contents of Q&A from the FY2025 Financial Presentation
2026.06.02
IR
SUMITOMO MITSUI CONSTRUCTION
Notice Regarding INFRONEER Holdings Inc. Subsidiary (Sumitomo Mitsui Construction Co., Ltd.) Making SUMIKEN MITSUI ROAD CO., LTD. a Wholly-Owned Subsidiary
2026.05.29
IR
Notice of the 5th Ordinary General Meeting of Shareholders
2026.05.28
IR
Notice Regarding Voluntary Reduction in Executive Compensation at a Subsidiary
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