株式会社土屋建築研究所
株式会社土屋建築研究所 (corporate number 3011101013151) received 7 Japanese central-government awards totaling ¥98,400,000 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): 3011101013151 · 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 3011101013151), you get an email.
Contract method
Counts of award results with a recorded contract method in the window.
- Open bidding — lowest price5
- Open bidding — best value2
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 | 6 | ¥81,400,000 |
| 2023 | 1 | ¥17,000,000 |
By ministry or agency
| Buyer | Awards | Total awarded |
|---|---|---|
| Ministry of Land, Infrastructure, Transport and Tourism | 3 | ¥46,200,000 |
| Supreme Court | 1 | ¥25,000,000 |
| Japan Meteorological Agency | 1 | ¥17,000,000 |
| Ministry of Justice | 2 | ¥10,200,000 |
Recent awards
| Procurement | Buyer | Awarded | Value |
|---|---|---|---|
| 気象庁南鳥島気象観測所水素棟ほか改修工事設計業務 | Japan Meteorological Agency | 2023-12-26 | ¥17,000,000 |
| 国総研（旭）水質実験施設耐震性能の評価業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2022-11-25 | ¥1,400,000 |
| 新千歳空港事務所庁舎外７棟省エネルギー対策導入検討業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2022-08-24 | ¥20,000,000 |
| 成田国際空港事務所庁舎外９棟省エネルギー対策導入検討業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2022-08-24 | ¥24,800,000 |
| 大手町合同庁舎第３号館改修実施設計等業務 | Supreme Court | 2022-06-07 | ¥25,000,000 |
| 令和４年度八丈島区検察庁庁舎新営工事監理業務 | Ministry of Justice | 2022-04-15 | ¥5,200,000 |
| 東京出入国在留管理局事務室等改修設計業務 | Ministry of Justice | 2022-04-15 | ¥5,000,000 |
Company profile (gBizINFO)
- Location
- 東京都新宿区西新宿６丁目１４番１号新宿グリーンタワービル２１Ｆ
- Founded
- 1974-10-16
- Unified bidding qualification grades
- C
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.