五洋建設株式会社
五洋建設株式会社 (corporate number 1010001000006) received 12 Japanese central-government awards totaling ¥3,444,440,000 over the past 60 months. Largest buyer by award value: Ministry of the Environment (5 awards).
Corporate number (法人番号): 1010001000006 · Rolling 60 months (2021-10-16 – 2026-10-16)
Counts and totals are exact over this window — every matching row, not a sample.
When Hashike's monthly refresh from Japan's Procurement Portal (調達ポータル) adds a new award result for this company (corporate number 1010001000006), you get an email.
Contract method
Counts of award results with a recorded contract method in the window.
- Negotiated — single supplier5
- Open bidding — lowest price4
- Open bidding — best value3
Awards by calendar year
Grouped by the calendar year of the award date. The first and last years shown cover only part of the window.
| Calendar year | Award results | Total awarded |
|---|---|---|
| 2021 | 1 | ¥34,000,000 |
| 2022 | 4 | ¥1,235,400,000 |
| 2024 | 2 | ¥1,833,000,000 |
| 2025 | 4 | ¥341,920,000 |
| 2026 | 1 | ¥120,000 |
By ministry or agency
| Buyer | Awards | Total awarded |
|---|---|---|
| Ministry of the Environment | 5 | ¥2,176,800,000 |
| Ministry of Justice | 4 | ¥1,164,400,000 |
| Japan Coast Guard | 1 | ¥103,000,000 |
| Ministry of Land, Infrastructure, Transport and Tourism | 2 | ¥240,000 |
Recent awards
| Procurement | Buyer | Awarded | Value |
|---|---|---|---|
| 令和８年度 東京港港湾業務艇用船 | Ministry of Land, Infrastructure, Transport and Tourism | 2026-04-09 | ¥120,000 |
| 令和７年度中間貯蔵解体廃棄物処分工事（その２） | Ministry of the Environment | 2025-10-31 | ¥109,800,000 |
| 令和７年度 東京港港湾業務艇用船 | Ministry of Land, Infrastructure, Transport and Tourism | 2025-10-30 | ¥120,000 |
| 姫島礁灯台船着場災害復旧工事 | Japan Coast Guard | 2025-08-25 | ¥103,000,000 |
| 令和６年度（補正繰越）大久野島大型土のう搬出他工事 | Ministry of the Environment | 2025-07-28 | ¥129,000,000 |
| 令和5年度（補正繰越） 瀬戸内海国立公園大久野島第２桟橋チェーンブロック改修工事 | Ministry of the Environment | 2024-07-16 | ¥37,000,000 |
| 令和６年度富岡町特定帰還居住区域被災建物等解体撤去等及び除染等工事（その１） | Ministry of the Environment | 2024-05-20 | ¥1,796,000,000 |
| 大阪医療刑務所新営（建築）工事（第６回変更） | Ministry of Justice | 2022-11-17 | ¥282,400,000 |
| 令和３年度（繰越）瀬戸内海国立公園大久野島大型土のう搬出工事 | Ministry of the Environment | 2022-11-07 | ¥105,000,000 |
| 小倉拘置支所庁舎等新営（建築）工事（第１１回変更） | Ministry of Justice | 2022-10-17 | ¥745,000,000 |
Company profile (gBizINFO)
- Location
- 東京都文京区後楽２丁目２番８号
- Founded
- 1950-04-28
- Employees
- 3,946
- Unified bidding qualification grades
- D, D, D, B
- Business
- 総合建設業
Source: gBizINFO (METI). A different source from the award records above.
Central-government award results published on Japan's Procurement Portal (調達ポータル) only. Prefectural and municipal contracts are not included, and neither is the Ministry of Defense's central equipment procurement, which ATLA (Acquisition, Technology and Logistics Agency) publishes separately. Amounts are award prices (the winning bid) in yen and are never combined with the US federal figures elsewhere on this site. Company and procurement names are shown as published, in Japanese, and are not translated.