Japan · Procurement Portal award records · Supplier record

Shiyomon Co., Ltd.

株式会社シヨーモン

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

Shiyomon Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 9 award notices, all years (Mar 2020 – Mar 2025); 3 since January 2024 (2 buyers); 73rd rank in the line (of 384 suppliers · 0.3%); 24 buyers never served (971 notices in the line from them).

Assay record ASY-JP-0RZZDNW041 · Cite as: Assay Systems, “Shiyomon Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/shiyomon-co-ltd/

9
award notices, all years
Mar 2020 – Mar 2025
3
since January 2024
2 buyers
73rd
rank in the line
of 384 suppliers · 0.3%
24
buyers never served
971 notices in the line from them

Own record by year

award notices, 2014 onward
2
1
1
2
2
1
2014201520162017201820192020202120222023202420252026

Who buys from Shiyomon Co., Ltd.

since January 2024
2buyers
3notices
67%top buyer
Public Prosecutors Office66.7%
2 notices
Supreme Court of Japan33.3%
1 notice

1 buyer named Shiyomon 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
73rdof 384 suppliers
3notices name Shiyomon Co., Ltd.
0.3%share of the line
7.7%of 26 notices from Public Prosecutors Office
10.0%of 10 notices from Supreme Court of Japan
81new suppliers since 2024

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

since April 2014
24buyers
971notices since 2024
20buyers took a new supplier
106suppliers came in that way
Ministry of the Environment
228 notices
Ministry of Justice
205 notices
National Tax Agency
131 notices
Ministry of Land, Infrastructure, Transport and Tourism
84 notices
Ministry of Defense
79 notices
Ministry of Finance
63 notices
Ministry of Agriculture, Forestry and Fisheries
40 notices
Forestry Agency
28 notices
Ministry of Economy, Trade and Industry
23 notices
Japan Coast Guard
22 notices
National Police Agency
22 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
Amagasaki Shogyo Jigyo Co., Ltd.1 buyer
3 notices
Aomori Seiso Co., Ltd.1 buyer
3 notices
Big Service Ltd.1 buyer
3 notices
Shiyomon Co., Ltd.
3 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.