Japan · Procurement Portal award records · Supplier record

RYUSEKI CORPORATION

株式会社りゅうせき

Line: Fuels (UNSPSC 15100000)Register loaded to September 2026Compiled 12 October 2026

RYUSEKI CORPORATION — Japan · Procurement Portal award records · Supplier record: 80 award notices, all years (Mar 2016 – Sep 2026); 45 since January 2024 (6 buyers); 23rd rank in the line (of 491 suppliers · 0.7%); 23 buyers never served (723 notices in the line from them).

Assay record ASY-JP-06HZ9VJ16V · Cite as: Assay Systems, “RYUSEKI CORPORATION in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/ryuseki-corporation/

80
award notices, all years
Mar 2016 – Sep 2026
45
since January 2024
6 buyers
23rd
rank in the line
of 491 suppliers · 0.7%
23
buyers never served
723 notices in the line from them

Own record by year

award notices, 2014 onward
3
4
3
3
7
4
4
7
10
18
17
2014201520162017201820192020202120222023202420252026

Who buys from RYUSEKI CORPORATION

since January 2024
6buyers
45notices
60%top buyer
Fisheries Agency60.0%
27 notices
Cabinet Office17.8%
8 notices
Ministry of Finance8.9%
4 notices
Japan Coast Guard6.7%
3 notices
Ministry of Justice4.4%
2 notices
Ministry of Health, Labour and Welfare2.2%
1 notice

The line

since January 2024
2,422award notices
29buyers
491suppliers
21.0%held by top ten

Fuels (UNSPSC 15100000)

883
893
646
202420252026Jan–Sep
23rdof 491 suppliers
17notices name RYUSEKI CORPORATION
0.7%share of the line
0.2%of 941 notices from Ministry of Justice
0.4%of 487 notices from Japan Coast Guard
0.8%of 131 notices from Ministry of Health, Labour and Welfare
3.4%of 118 notices from Ministry of Finance
75new suppliers since 2024

Buyers that buy the line and never named RYUSEKI CORPORATION

since April 2014
23buyers
723notices since 2024
18buyers took a new supplier
76suppliers came in that way
Ministry of Land, Infrastructure, Transport and Tourism
381 notices
National Tax Agency
115 notices
Japan Meteorological Agency
49 notices
Forestry Agency
28 notices
Ministry of Defense
23 notices
Ministry of Agriculture, Forestry and Fisheries
19 notices
Supreme Court of Japan
18 notices
Public Prosecutors Office
14 notices
Ministry of Economy, Trade and Industry
12 notices
National Police Agency
11 notices
Ministry of the Environment
10 notices
Children and Families Agency
8 notices
House of Councillors
6 notices
Ministry of Internal Affairs and Communications
6 notices
Nuclear Regulation Authority
5 notices
Financial Services Agency
3 notices
Fire and Disaster Management Agency
3 notices
House of Representatives
3 notices
Public Security Intelligence Agency
3 notices
Japan Fair Trade Commission
2 notices
National Personnel Authority
2 notices
Cabinet Secretariat
1 notice
Reconstruction Agency
1 notice

Suppliers next to it in the line

since January 2024
Hokkaido Enerugi Co., Ltd.6 buyers
17 notices
Ishida Sekiyu Ten Co., Ltd.3 buyers
17 notices
NX Shoji Co., Ltd.6 buyers
17 notices
RYUSEKI CORPORATION
17 notices

All 491 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.