Japan · Procurement Portal award records · Supplier record

Yamaki Co., Ltd., Saitama

株式会社ヤマキ

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

Yamaki Co., Ltd., Saitama — Japan · Procurement Portal award records · Supplier record: 71 award notices, all years (Jan 2015 – Sep 2026); 27 since January 2024 (6 buyers); 2nd rank in the line (of 384 suppliers · 2.4%); 18 buyers never served (354 notices in the line from them).

Assay record ASY-JP-1Y57PNJ1O6 · Cite as: Assay Systems, “Yamaki Co., Ltd., Saitama in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/yamaki-co-ltd-saitama/

71
award notices, all years
Jan 2015 – Sep 2026
27
since January 2024
6 buyers
2nd
rank in the line
of 384 suppliers · 2.4%
18
buyers never served
354 notices in the line from them

Own record by year

award notices, 2014 onward
4
2
4
5
4
4
6
7
8
9
7
11
2014201520162017201820192020202120222023202420252026

Who buys from Yamaki Co., Ltd., Saitama

since January 2024
6buyers
27notices
30%top buyer
Ministry of Justice29.6%
8 notices
National Tax Agency22.2%
6 notices
Ministry of Defense14.8%
4 notices
Ministry of Health, Labour and Welfare14.8%
4 notices
Ministry of Finance11.1%
3 notices
Forestry Agency7.4%
2 notices

3 buyers named Yamaki Co., Ltd., Saitama 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
2ndof 384 suppliers
27notices name Yamaki Co., Ltd., Saitama
2.4%share of the line
3.9%of 205 notices from Ministry of Justice
4.6%of 131 notices from National Tax Agency
4.0%of 100 notices from Ministry of Health, Labour and Welfare
5.1%of 79 notices from Ministry of Defense
81new suppliers since 2024

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

since April 2014
18buyers
354notices since 2024
13buyers took a new supplier
40suppliers came in that way
Ministry of the Environment
228 notices
Public Prosecutors Office
26 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
Yamaki Co., Ltd., Saitama
27 notices
Tatewaki Shoten Ltd.2 buyers
26 notices
OYO Corporation1 buyer
19 notices
Tanabe Shoten Co., Ltd.4 buyers
19 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.

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.