Japan · Procurement Portal award records · Supplier record

Otani Seiun Co., Ltd.

大谷清運株式会社

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

Otani Seiun Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 16 award notices, all years (Mar 2016 – Jan 2025); 2 since January 2024 (1 buyer); 144th rank in the line (of 384 suppliers · 0.2%); 20 buyers never served (701 notices in the line from them).

Assay record ASY-JP-1R68Z6A0OX · Cite as: Assay Systems, “Otani Seiun Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/otani-seiun-co-ltd/

16
award notices, all years
Mar 2016 – Jan 2025
2
since January 2024
1 buyer
144th
rank in the line
of 384 suppliers · 0.2%
20
buyers never served
701 notices in the line from them

Own record by year

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

Who buys from Otani Seiun Co., Ltd.

since January 2024
1buyers
2notices
100%top buyer
National Personnel Authority100.0%
2 notices

6 buyers named Otani Seiun 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
144thof 384 suppliers
2notices name Otani Seiun Co., Ltd.
0.2%share of the line
50.0%of 4 notices from National Personnel Authority
81new suppliers since 2024

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

since April 2014
20buyers
701notices since 2024
16buyers took a new supplier
89suppliers 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 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
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
House of Councillors
3 notices
House of Representatives
3 notices
Imperial Household Agency
3 notices
Japan Fair Trade Commission
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
Aitiasahi Co., Ltd.1 buyer
2 notices
Aruto Co., Ltd., Toyama1 buyer
2 notices
Burebari Co., Ltd.1 buyer
2 notices
Otani Seiun Co., Ltd.
2 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.