Japan · Procurement Portal award records · Supplier record

Sei Kan Kensa Center Co., Ltd.

株式会社静環検査センター

Line: Pollution tracking and monitoring and rehabilitation (UNSPSC 77120000)Register loaded to September 2026Compiled 12 October 2026

Sei Kan Kensa Center Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 51 award notices, all years (Mar 2015 – Mar 2026); 10 since January 2024 (4 buyers); 17th rank in the line (of 293 suppliers · 0.9%); 19 buyers never served (247 notices in the line from them).

Assay record ASY-JP-0NCKB1D0TC · Cite as: Assay Systems, “Sei Kan Kensa Center Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/sei-kan-kensa-center-co-ltd/

51
award notices, all years
Mar 2015 – Mar 2026
10
since January 2024
4 buyers
17th
rank in the line
of 293 suppliers · 0.9%
19
buyers never served
247 notices in the line from them

Own record by year

award notices, 2014 onward
5
4
3
7
4
4
4
5
5
4
4
2
2014201520162017201820192020202120222023202420252026

Who buys from Sei Kan Kensa Center Co., Ltd.

since January 2024
4buyers
10notices
40%top buyer
Ministry of the Environment40.0%
4 notices
Ministry of Land, Infrastructure, Transport and Tourism40.0%
4 notices
Japan Coast Guard10.0%
1 notice
Ministry of Justice10.0%
1 notice

1 buyer named Sei Kan Kensa Center Co., Ltd. before 2024 only.

The line

since January 2024
926award notices
24buyers
293suppliers
22.1%held by top ten

Pollution tracking and monitoring and rehabilitation (UNSPSC 77120000)

338
312
276
202420252026Jan–Sep
17thof 293 suppliers
8notices name Sei Kan Kensa Center Co., Ltd.
0.9%share of the line
1.2%of 338 notices from Ministry of the Environment
1.5%of 259 notices from Ministry of Land, Infrastructure, Transport and Tourism
23new suppliers since 2024

Buyers that buy the line and never named Sei Kan Kensa Center Co., Ltd.

since April 2014
19buyers
247notices since 2024
14buyers took a new supplier
38suppliers came in that way
Ministry of Defense
90 notices
Nuclear Regulation Authority
53 notices
Ministry of Finance
22 notices
Ministry of Economy, Trade and Industry
21 notices
Ministry of Health, Labour and Welfare
15 notices
Forestry Agency
9 notices
Japan Meteorological Agency
9 notices
Cabinet Office
8 notices
Ministry of Internal Affairs and Communications
4 notices
Cabinet Secretariat
3 notices
Fisheries Agency
3 notices
Consumer Affairs Agency
2 notices
Financial Services Agency
2 notices
Children and Families Agency
1 notice
House of Representatives
1 notice
Japan Transport Safety Board
1 notice
Ministry of Foreign Affairs
1 notice
National Tax Agency
1 notice
Public Prosecutors Office
1 notice

Suppliers next to it in the line

since January 2024
Boei Kiban Seibi Kyokai1 buyer
8 notices
Chugai Technos Co., Ltd.2 buyers
8 notices
Enuesu Kankyo Co., Ltd.4 buyers
8 notices
Sei Kan Kensa Center Co., Ltd.
8 notices

All 293 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.