Japan · Procurement Portal award records · Supplier record

Aiatto OEC Co., Ltd.

株式会社アイアットＯＥＣ

Line: Heating and ventilation and air circulation (UNSPSC 40100000)Register loaded to September 2026Compiled 12 October 2026

Aiatto OEC Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 3 award notices, all years (Aug 2023 – Dec 2024); 2 since January 2024 (1 buyer); — rank in the line (of 170 suppliers · 0.0%); 14 buyers never served (275 notices in the line from them).

Assay record ASY-JP-0WWJANY156 · Cite as: Assay Systems, “Aiatto OEC Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/aiatto-oec-co-ltd/

3
award notices, all years
Aug 2023 – Dec 2024
2
since January 2024
1 buyer
—
rank in the line
of 170 suppliers · 0.0%
14
buyers never served
275 notices in the line from them

Own record by year

award notices, 2014 onward
1
2
2014201520162017201820192020202120222023202420252026

Who buys from Aiatto OEC Co., Ltd.

since January 2024
1buyers
2notices
100%top buyer
Ministry of Agriculture, Forestry and Fisheries100.0%
2 notices

1 buyer named Aiatto OEC Co., Ltd. before 2024 only.

The line

since January 2024
294award notices
16buyers
170suppliers
22.4%held by top ten

Heating and ventilation and air circulation (UNSPSC 40100000)

90
120
84
202420252026Jan–Sep
—of 170 suppliers
0notices name Aiatto OEC Co., Ltd.
0.0%share of the line
35new suppliers since 2024

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

since April 2014
14buyers
275notices since 2024
13buyers took a new supplier
94suppliers came in that way
Ministry of Justice
96 notices
Ministry of Land, Infrastructure, Transport and Tourism
87 notices
Supreme Court of Japan
29 notices
Ministry of Defense
17 notices
Ministry of Internal Affairs and Communications
12 notices
Ministry of Health, Labour and Welfare
8 notices
Japan Coast Guard
6 notices
Cabinet Office
5 notices
House of Representatives
4 notices
Public Prosecutors Office
4 notices
National Tax Agency
3 notices
Ministry of Finance
2 notices
Fisheries Agency
1 notice
Japan Transport Safety Board
1 notice

Suppliers next to it in the line

since January 2024
AES Co., Ltd.1 buyer
1 notice
Aiesu Co., Ltd.1 buyer
1 notice
Aisumi Co., Ltd.1 buyer
1 notice
Aiatto OEC Co., Ltd.
0 notices

All 170 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.