Japan · Procurement Portal award records · Supplier record
Isewan Sekiyu Co., Ltd.
伊勢湾石油株式会社
Line: Fuels (UNSPSC 15100000) Register loaded to September 2026 Compiled 12 October 2026
Isewan Sekiyu Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 126 award notices, all years (Apr 2015 – Sep 2026); 35 since January 2024 (3 buyers); 9th rank in the line (of 491 suppliers · 1.4%); 26 buyers never served (1,436 notices in the line from them).
Assay record ASY-JP-128KUGS0T0 · Cite as: Assay Systems, “Isewan Sekiyu Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/isewan-sekiyu-co-ltd/
Own record The line Buyers Suppliers
126
award notices, all years
Apr 2015 – Sep 2026
35
since January 2024
3 buyers
9th
rank in the line
of 491 suppliers · 1.4%
26
buyers never served
1,436 notices in the line from them
Own record by year award notices, 2014 onward 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Who buys from Isewan Sekiyu Co., Ltd. since January 2024 3 buyers
35 notices
80% top buyer
Ministry of Land, Infrastructure, Transport and Tourism80.0%
28 notices
Japan Coast Guard17.1%
6 notices
Ministry of Finance2.9%
1 notice
The line since January 2024 2,422 award notices
29 buyers
491 suppliers
21.0% held by top ten
Fuels (UNSPSC 15100000)
9th of 491 suppliers
35 notices name Isewan Sekiyu Co., Ltd.
1.4% share of the line
1.2% of 487 notices from Japan Coast Guard
7.3% of 381 notices from Ministry of Land, Infrastructure, Transport and Tourism
0.8% of 118 notices from Ministry of Finance
75 new suppliers since 2024
Buyers that buy the line and never named Isewan Sekiyu Co., Ltd. since April 2014 26 buyers
1,436 notices since 2024
20 buyers took a new supplier
95 suppliers came in that way
Ministry of Justice
941 notices
Ministry of Health, Labour and Welfare
131 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
Fisheries Agency
7 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 Ishino Koyu Co., Ltd.3 buyers
36 notices
Kitanihon Enerugi Co., Ltd.7 buyers
36 notices
Minato Sekiyu Co., Ltd.4 buyers
35 notices
Isewan Sekiyu Co., Ltd.
35 notices
All 491 suppliers in the line
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.