Japan · Procurement Portal award records · Supplier record

Clean System Co., Ltd.

クリーンシステム株式会社

Line: Refuse disposal and treatment (UNSPSC 76120000)Register loaded to September 2026Compiled 12 October 2026

Clean System Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 4 award notices, all years (Apr 2017 – Feb 2026); 1 since January 2024 (1 buyer); — rank in the line (of 384 suppliers · 0.0%); 24 buyers never served (718 notices in the line from them).

Assay record ASY-JP-0JL0BS3009 · Cite as: Assay Systems, “Clean System Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/clean-system-co-ltd/

4
award notices, all years
Apr 2017 – Feb 2026
1
since January 2024
1 buyer
—
rank in the line
of 384 suppliers · 0.0%
24
buyers never served
718 notices in the line from them

Own record by year

award notices, 2014 onward
1
1
1
1
2014201520162017201820192020202120222023202420252026

Who buys from Clean System Co., Ltd.

since January 2024
1buyers
1notices
100%top buyer
Ministry of Health, Labour and Welfare100.0%
1 notice

2 buyers named Clean System Co., Ltd. before 2024 only.

The line

since January 2024
1,107award notices
27buyers
384suppliers
18.3%held by top ten

Refuse disposal and treatment (UNSPSC 76120000)

391
400
316
202420252026Jan–Sep
—of 384 suppliers
0notices name Clean System Co., Ltd.
0.0%share of the line
81new suppliers since 2024

Buyers that buy the line and never named Clean System Co., Ltd.

since April 2014
24buyers
718notices since 2024
19buyers took a new supplier
74suppliers came in that way
Ministry of the Environment
228 notices
National Tax Agency
131 notices
Ministry of Defense
79 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
Japan Coast Guard
22 notices
National Police Agency
22 notices
Supreme Court of Japan
10 notices
Cabinet Office
8 notices
Ministry of Education, Culture, Sports, Science and Technology
8 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
Digital Agency
2 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
Abashiri Eisei Center Co., Ltd.1 buyer
1 notice
Act Ea Co., Ltd.1 buyer
1 notice
Ai Ecology Co., Ltd.1 buyer
1 notice
Clean System Co., Ltd.
0 notices

All 384 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

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.