豚座建設株式会社
豚座建設株式会社 (corporate number 4490001004889) received 14 Japanese central-government awards totaling ¥48,314,000 over the past 60 months. Largest buyer by award value: Ministry of Land, Infrastructure, Transport and Tourism (3 awards).
Corporate number (法人番号): 4490001004889 · 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 4490001004889), you get an email.
Contract method
Counts of award results with a recorded contract method in the window.
- Open bidding — lowest price14
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 |
|---|---|---|
| 2022 | 2 | ¥4,424,800 |
| 2023 | 3 | ¥12,290,800 |
| 2024 | 2 | ¥2,809,800 |
| 2025 | 4 | ¥19,004,800 |
| 2026 | 3 | ¥9,783,800 |
By ministry or agency
| Buyer | Awards | Total awarded |
|---|---|---|
| Ministry of Land, Infrastructure, Transport and Tourism | 3 | ¥21,850,000 |
| Forestry Agency | 10 | ¥17,164,000 |
| Ministry of Justice | 1 | ¥9,300,000 |
Recent awards
| Procurement | Buyer | Awarded | Value |
|---|---|---|---|
| 【四万十森林管理署】物件番号12 国有林林道等維持修繕業務（楠山・中村（中村担当区）、浮鞭森林事務所管内の国有林林道等） | Forestry Agency | 2026-05-15 | ¥1,974,800 |
| 【四万十森林管理署】物件番号11 国有林林道等維持修繕業務（川登森林事務所管内の国有林林道等） | Forestry Agency | 2026-05-15 | ¥1,809,000 |
| 中村河川国道事務所別館２階トイレ新設 | Ministry of Land, Infrastructure, Transport and Tourism | 2026-01-23 | ¥6,000,000 |
| 令和７年度 具同宿舎１０３号室外内装修繕作業 | Ministry of Land, Infrastructure, Transport and Tourism | 2025-12-08 | ¥9,550,000 |
| 令和７年度 不破宿舎101号室内装修繕作業 | Ministry of Land, Infrastructure, Transport and Tourism | 2025-12-08 | ¥6,300,000 |
| 【四万十森林管理署】物件番号11 国有林林道等維持修繕業務（川登森林事務所管内の国有林林道等） | Forestry Agency | 2025-05-15 | ¥1,705,000 |
| 【四万十森林管理署】物件番号12 国有林林道等維持修繕業務（楠山・中村（中村担当区）、浮鞭森林事務所管内の国有林林道等） | Forestry Agency | 2025-05-15 | ¥1,449,800 |
| 【四万十森林管理署】物件番号11 国有林林道等維持修繕業務 川登森林事務所管内の国有林林道等 | Forestry Agency | 2024-05-14 | ¥1,315,000 |
| 【四万十森林管理署】物件番号12 国有林林道等維持修繕業務 楠山・中村（中村担当区）、浮鞭森林事務所管内の国有林林道等 | Forestry Agency | 2024-05-14 | ¥1,494,800 |
| 高知刑務所中村拘置支所女子職員仮眠室等整備工事 | Ministry of Justice | 2023-12-26 | ¥9,300,000 |
Company profile (gBizINFO)
- Location
- 高知県四万十市古津賀２丁目６番地
- Founded
- 1963-03-12
- Employees
- 54
- Unified bidding qualification grades
- D, D
- Business
- 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.