Japan · Procurement Portal award records · Supplier record

Diamond Keibi Co., Ltd.

株式会社ダイヤモンド警備

Line: Security and personal safety (UNSPSC 92120000)Register loaded to September 2026Compiled 16 October 2026

Diamond Keibi Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 58 award notices, all years (Feb 2015 – Sep 2026); 18 since January 2024 (7 buyers); 16th rank in the line (of 382 suppliers · 0.8%); 19 buyers never served (442 notices in the line from them).

Assay record ASY-JP-1AFOQYT0P1 · Cite as: Assay Systems, “Diamond Keibi Co., Ltd.: 18 award notices in Japan since 2024”, https://assay-systems.com/register/jp/diamond-keibi-co-ltd/

58
award notices, all years
Feb 2015 – Sep 2026
18
since January 2024
7 buyers
16th
rank in the line
of 382 suppliers · 0.8%
19
buyers never served
442 notices in the line from them

Own record by year

award notices, 2014 onward
1
3
4
5
3
4
5
8
7
7
6
5
2014201520162017201820192020202120222023202420252026

Who buys from Diamond Keibi Co., Ltd.

since January 2024
7buyers
18notices
22%top buyer
Ministry of Agriculture, Forestry and Fisheries22.2%
4 notices
National Tax Agency22.2%
4 notices
Public Prosecutors Office16.7%
3 notices
Ministry of Justice11.1%
2 notices
Ministry of Land, Infrastructure, Transport and Tourism11.1%
2 notices
Supreme Court of Japan11.1%
2 notices
Ministry of Health, Labour and Welfare5.6%
1 notice

The line

since January 2024
1,953award notices
26buyers
382suppliers
29.9%held by top ten

Security and personal safety (UNSPSC 92120000)

676
694
583
202420252026Jan–Sep
16thof 382 suppliers
16notices name Diamond Keibi Co., Ltd.
0.8%share of the line
0.5%of 403 notices from Ministry of Land, Infrastructure, Transport and Tourism
0.6%of 323 notices from Ministry of Justice
1.5%of 273 notices from National Tax Agency
0.4%of 232 notices from Ministry of Health, Labour and Welfare
47new suppliers since 2024

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

since April 2014
19buyers
442notices since 2024
15buyers took a new supplier
58suppliers came in that way
Ministry of Finance
192 notices
Ministry of Defense
66 notices
Japan Coast Guard
41 notices
Forestry Agency
33 notices
Cabinet Office
25 notices
Japan Meteorological Agency
23 notices
Ministry of Education, Culture, Sports, Science and Technology
12 notices
Ministry of Internal Affairs and Communications
10 notices
National Police Agency
10 notices
Cabinet Secretariat
6 notices
Ministry of Economy, Trade and Industry
4 notices
Ministry of the Environment
4 notices
Central Labour Relations Commission
3 notices
Digital Agency
3 notices
House of Representatives
3 notices
Ministry of Foreign Affairs
3 notices
National Personnel Authority
2 notices
Children and Families Agency
1 notice
Japan Patent Office
1 notice

Suppliers next to it in the line

since January 2024
ALSOK Hiroshima Co., Ltd.5 buyers
17 notices
Fuji Sogo Keibi Hosho Co., Ltd.3 buyers
17 notices
Taihei Building Service Co., Ltd., Tokyo4 buyers
16 notices
Diamond Keibi Co., Ltd.
16 notices

All 382 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.