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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.19：Four reasons why I can confidently say that the acquisition of Sumitomo Mitsui Construction was the best management decision.
［Kibe-log］Vol.18：Massive impairment losses by contracted companies reveal the flaws in the offshore wind power generation business
［Kibe-log］Vol.17：Factors hindering the implementation of new technologies
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News
IR News
2026.04.22
IR
Notice Regarding Results of Tender Offer by INFRONEER Holdings Inc. Subsidiary (Sumitomo Mitsui Construction Co., Ltd.) for the Shares of SUMIKEN MITSUI ROAD CO., LTD. (Stock Code: 1776)
2026.04.20
IR
Announcement Regarding Nomination of Candidates for Director
2026.04.17
IR
Regarding the Acquisition of Shares of Swing Corporation by INFRONEER Holdings
2026.04.14
IR
Notice Concerning Acquisition of Shares of Swing Corporation (Making it a Wholly Owned Subsidiary)
2026.03.16
Information
SUMITOMO MITSUI CONSTRUCTION
［Kibe-log］Vol.19：Four reasons why I can confidently say that the acquisition of Sumitomo Mitsui Construction was the best management decision.
News
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2026.03.16
Information
SUMITOMO MITSUI CONSTRUCTION
［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
2025.02.19
Information
INFRONEER Holdings and Accenture to Establish a Joint Venture to Address Critical Construction and Infrastructure Management Issues
2025.01.07
Information
［Kibe-log］Vol.16：Visionary thinking and fighting spirit required for management
IR News
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2026.04.22
IR
Notice Regarding Results of Tender Offer by INFRONEER Holdings Inc. Subsidiary (Sumitomo Mitsui Construction Co., Ltd.) for the Shares of SUMIKEN MITSUI ROAD CO., LTD. (Stock Code: 1776)
2026.04.20
IR
Announcement Regarding Nomination of Candidates for Director
2026.04.17
IR
Regarding the Acquisition of Shares of Swing Corporation by INFRONEER Holdings
2026.04.14
IR
Notice Concerning Acquisition of Shares of Swing Corporation (Making it a Wholly Owned Subsidiary)
2026.03.10
IR
SUMITOMO MITSUI CONSTRUCTION
[Delayed]Notice Regarding Commencement of Tender Offer by an INFRONEER Holdings Inc. Subsidiary (Sumitomo Mitsui Construction Co., Ltd.) for the Shares of SUMIKEN MITSUI ROAD CO., LTD. (Stock Code: 1776)
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