As part of the INFRONEER Group, ARSOCIA combines Japanese construction expertise with a commitment to quality, reliability and lasting value.
SUMITOMO MITSUI CONSTRUCTION, an INFRONEER Holdings group company, has changed its name to ARSOCIA CONSTRUCTION.
We are committed to reducing environmental impact across every project — from energy-efficient building design to our long-term Net Zero Carbon goal.
Our CommitmentOn October 30, 2026, ARSOCIA (Thailand) Co., Ltd. held a merit-making ceremony at its head office to mark the official change of its company name. The ceremony was held to bring blessings to the company and its people, and to mark the start of a new chapter for the organization. The morning began with executives and employees welcoming Buddhist monks, …
Notice of Change of Company Name We would like to inform that our parent company, "Sumitomo Mitsui Construction Co., Ltd.," has changed its name to "ARSOCIA Construction Co., Ltd." effective October 1, 2026, in connection with its business integration with Infroneer Holdings Inc. In line with this change, we would like to inform you that our company, "SMCC (Thailand) Co., …
Welcoming Pre-UniMasterClass Students from SE-ED Academy for a Company Visit SMCC (Thailand) Co., Ltd. welcomed students from Bangkok Bilingual School for a visit to the company’s office under SE-ED Academy’s Pre-UniMasterClass program on 24 July 2026. The visit featured talks on three topics: engineering careers, the basics of BIM (Building Information Modeling), and fostering a safety culture in the workplace. …
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