Japan · Procurement Portal award records · Supplier record

Miike Seiren Co., Ltd.

三池製錬株式会社

Line: Computer Equipment and Accessories (UNSPSC 43210000)Register loaded to September 2026Compiled 12 October 2026

Miike Seiren Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 69 award notices, all years (Dec 2016 – Aug 2026); 34 since January 2024 (2 buyers); 1st rank in the line (of 405 suppliers · 3.4%); 28 buyers never served (675 notices in the line from them).

Assay record ASY-JP-1N8TQ7G1RX · Cite as: Assay Systems, “Miike Seiren Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/miike-seiren-co-ltd/

69
award notices, all years
Dec 2016 – Aug 2026
34
since January 2024
2 buyers
1st
rank in the line
of 405 suppliers · 3.4%
28
buyers never served
675 notices in the line from them

Own record by year

award notices, 2014 onward
1
4
2
7
2
2
7
10
12
16
6
2014201520162017201820192020202120222023202420252026

Who buys from Miike Seiren Co., Ltd.

since January 2024
2buyers
34notices
97%top buyer
Ministry of Land, Infrastructure, Transport and Tourism97.1%
33 notices
Public Prosecutors Office2.9%
1 notice

1 buyer named Miike Seiren Co., Ltd. before 2024 only.

The line

since January 2024
994award notices
31buyers
405suppliers
19.4%held by top ten

Computer Equipment and Accessories (UNSPSC 43210000)

408
368
218
202420252026Jan–Sep
1stof 405 suppliers
34notices name Miike Seiren Co., Ltd.
3.4%share of the line
12.4%of 266 notices from Ministry of Land, Infrastructure, Transport and Tourism
3.7%of 27 notices from Public Prosecutors Office
56new suppliers since 2024

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

since April 2014
28buyers
675notices since 2024
23buyers took a new supplier
152suppliers came in that way
Ministry of Health, Labour and Welfare
113 notices
Ministry of Justice
94 notices
National Tax Agency
73 notices
Ministry of Economy, Trade and Industry
64 notices
Ministry of Defense
57 notices
Ministry of Finance
47 notices
Ministry of Agriculture, Forestry and Fisheries
43 notices
National Police Agency
33 notices
Ministry of the Environment
24 notices
Japan Coast Guard
22 notices
Supreme Court of Japan
17 notices
Japan Fair Trade Commission
14 notices
Ministry of Internal Affairs and Communications
12 notices
Digital Agency
10 notices
Ministry of Foreign Affairs
10 notices
Japan Patent Office
9 notices
Cabinet Office
7 notices
Japan Meteorological Agency
7 notices
Financial Services Agency
5 notices
National Personnel Authority
4 notices
Ministry of Education, Culture, Sports, Science and Technology
3 notices
Board of Audit of Japan
1 notice
Casino Regulatory Commission
1 notice
Children and Families Agency
1 notice
Fisheries Agency
1 notice
Imperial Household Agency
1 notice
Japan Transport Safety Board
1 notice
Nuclear Regulation Authority
1 notice

Suppliers next to it in the line

since January 2024
Miike Seiren Co., Ltd.
34 notices
Total Sapoto System Co., Ltd.12 buyers
29 notices
Eko Police Co., Ltd.1 buyer
20 notices
Daimaru Co., Ltd.6 buyers
17 notices

All 405 suppliers in the line

The extract

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

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.