Japan · Procurement Portal award records · Supplier record
Izoi Co., Ltd.
株式会社イゾイ
Line: Refuse disposal and treatment (UNSPSC 76120000) Register loaded to September 2026 Compiled 12 October 2026
Izoi Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 71 award notices, all years (Mar 2015 – Sep 2026); 24 since January 2024 (6 buyers); 6th rank in the line (of 384 suppliers · 1.6%); 21 buyers never served (759 notices in the line from them).
Assay record ASY-JP-00PH2411A4 · Cite as: Assay Systems, “Izoi Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/izoi-co-ltd/
Own record The line Buyers Suppliers 71
award notices, all years
Mar 2015 – Sep 2026
24
since January 2024
6 buyers
6th
rank in the line
of 384 suppliers · 1.6%
21
buyers never served
759 notices in the line from them
Own record by year award notices, 2014 onward 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Who buys from Izoi Co., Ltd. since January 2024 6 buyers
24 notices
29% top buyer
Ministry of Defense29.2%
7 notices
National Tax Agency25.0%
6 notices
Ministry of Education, Culture, Sports, Science and Technology12.5%
3 notices
Ministry of Health, Labour and Welfare12.5%
3 notices
Japan Meteorological Agency12.5%
3 notices
Cabinet Office8.3%
2 notices
1 buyer named Izoi Co., Ltd. before 2024 only.
The line since January 2024 1,107 award notices
27 buyers
384 suppliers
18.3% held by top ten
Refuse disposal and treatment (UNSPSC 76120000)
6th of 384 suppliers
18 notices name Izoi Co., Ltd.
1.6% share of the line
4.6% of 131 notices from National Tax Agency
3.0% of 100 notices from Ministry of Health, Labour and Welfare
5.1% of 79 notices from Ministry of Defense
25.0% of 8 notices from Cabinet Office
81 new suppliers since 2024
Buyers that buy the line and never named Izoi Co., Ltd. since April 2014 21 buyers
759 notices since 2024
16 buyers took a new supplier
88 suppliers came in that way
Ministry of the Environment
228 notices
Ministry of Justice
205 notices
Ministry of Land, Infrastructure, Transport and Tourism
84 notices
Ministry of Finance
63 notices
Ministry of Agriculture, Forestry and Fisheries
40 notices
Forestry Agency
28 notices
Public Prosecutors Office
26 notices
Ministry of Economy, Trade and Industry
23 notices
National Police Agency
22 notices
Supreme Court of Japan
10 notices
Nuclear Regulation Authority
6 notices
National Personnel Authority
4 notices
House of Councillors
3 notices
House of Representatives
3 notices
Imperial Household Agency
3 notices
Japan Fair Trade Commission
3 notices
Ministry of Foreign Affairs
3 notices
Consumer Affairs Agency
1 notice
Japan Transport Safety Board
1 notice
Ministry of Internal Affairs and Communications
1 notice
Suppliers next to it in the line since January 2024 OYO Corporation1 buyer
19 notices
Tanabe Shoten Co., Ltd.4 buyers
19 notices
Ekkusu Toshi Kenkyusho Co., Ltd.1 buyer
18 notices
All 384 suppliers in the line
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.