Japan · Procurement Portal award records · Supplier record

Diandowai Co., Ltd.

株式会社ディ・アンド・ワイ

Line: Writing and translations (UNSPSC 82110000)Register loaded to September 2026Compiled 12 October 2026

Diandowai Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 56 award notices, all years (Sep 2015 – Apr 2026); 24 since January 2024 (10 buyers); 1st rank in the line (of 103 suppliers · 7.5%); 11 buyers never served (90 notices in the line from them).

Assay record ASY-JP-01SQEKC0FF · Cite as: Assay Systems, “Diandowai Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/diandowai-co-ltd/

56
award notices, all years
Sep 2015 – Apr 2026
24
since January 2024
10 buyers
1st
rank in the line
of 103 suppliers · 7.5%
11
buyers never served
90 notices in the line from them

Own record by year

award notices, 2014 onward
2
6
2
4
2
1
3
7
5
10
9
5
2014201520162017201820192020202120222023202420252026

Who buys from Diandowai Co., Ltd.

since January 2024
10buyers
24notices
33%top buyer
National Tax Agency33.3%
8 notices
Ministry of Defense16.7%
4 notices
Ministry of Internal Affairs and Communications12.5%
3 notices
Ministry of Foreign Affairs8.3%
2 notices
Cabinet Office8.3%
2 notices
Ministry of Finance4.2%
1 notice
Ministry of Agriculture, Forestry and Fisheries4.2%
1 notice
Ministry of Health, Labour and Welfare4.2%
1 notice
Board of Audit of Japan4.2%
1 notice
Japan Patent Office4.2%
1 notice

6 buyers named Diandowai Co., Ltd. before 2024 only.

The line

since January 2024
306award notices
27buyers
103suppliers
43.8%held by top ten

Writing and translations (UNSPSC 82110000)

115
113
78
202420252026Jan–Sep
1stof 103 suppliers
23notices name Diandowai Co., Ltd.
7.5%share of the line
9.5%of 42 notices from Ministry of Defense
28.6%of 28 notices from National Tax Agency
8.3%of 24 notices from Ministry of Foreign Affairs
5.9%of 17 notices from Ministry of Health, Labour and Welfare
18new suppliers since 2024

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

since April 2014
11buyers
90notices since 2024
7buyers took a new supplier
12suppliers came in that way
Ministry of Justice
54 notices
Japan Tourism Agency
12 notices
Cabinet Secretariat
11 notices
Japan Fair Trade Commission
3 notices
Casino Regulatory Commission
2 notices
Ministry of Economy, Trade and Industry
2 notices
Supreme Court of Japan
2 notices
House of Representatives
1 notice
Japan Coast Guard
1 notice
Japan Meteorological Agency
1 notice
Reconstruction Agency
1 notice

Suppliers next to it in the line

since January 2024
Diandowai Co., Ltd.
23 notices
Simul International, Inc.12 buyers
22 notices
Inta Group Co., Ltd.10 buyers
19 notices
Honyaku Center Co., Ltd.7 buyers
18 notices

All 103 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.