Building construction and support and maintenance and repair services: Japan public contracts since 2024

Updated 12 October 2026 · all lines

Building construction and support and maintenance and repair services: Japan public contracts since 2024. Since January 2024 the line carries 13,083 award notices from 39 buyers. 3,215 suppliers share it. 4,476 in 2024. 4,563 in 2025. 4,044 in the first 9 months of 2026. 693 of them had no award notice in the register from April 2014 to 2023.

Assay record ASY-JP-19AFLUY1WX · Cite as: Assay Systems, “Building construction and support and maintenance and repair services: Japan public contracts since 2024”, https://assay-systems.com/register/jp/line/building-construction-and-support-and-maintenance-and-repair-services/

The line

Since January 2024 the line carries 13,083 award notices from 39 buyers. 3,215 suppliers share it.

4,476 in 2024. 4,563 in 2025. 4,044 in the first 9 months of 2026.

693 of them had no award notice in the register from April 2014 to 2023.

Suppliers in the line, by award notices since 2024

1 more supplier in the line is not listed here, because their register name may be the name of a private person.

The extract for this line

Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.

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Largest suppliers in the line

Share of the line held by each of its largest suppliers, by number of award notices, in the Procurement Portal register for Japan.

Kenesu Co., Ltd.3.0%ReR Co., Ltd.1.1%Mitsubishidenki Building Solutions Co.,…0.9%Nippon Ochisuerebeta Co., Ltd.0.9%Hitachi Building System Co., Ltd.0.7%Dentsu Setsubi Co., Ltd.0.5%Azubiru Co., Ltd.0.5%Shisetsu Gijutsukenkyujo Co., Ltd.0.5%Japan Elevator Service Josai Co., Ltd.0.5%EBARA CORPORATION0.5%

All suppliers in Japan, A to Z

Source: successful bid records (open data) for Japan in the Procurement Portal of the Government of Japan, Digital Agency, p-portal.go.jp, which permits reuse including commercial use under its terms of use; awards from April 2014 to 30 September 2026, accessed 12 October 2026.Assay Systems has changed the data.