株式会社ケイソー
株式会社ケイソー (corporate number 9440001000574) received 8 Japanese central-government awards totaling ¥25,390,000 over the past 60 months. Largest buyer by award value: Ministry of Land, Infrastructure, Transport and Tourism (8 awards).
Corporate number (法人番号): 9440001000574 · 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 9440001000574), you get an email.
Contract method
Counts of award results with a recorded contract method in the window.
- Open bidding — lowest price8
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 | ¥6,000,000 |
| 2023 | 2 | ¥6,080,000 |
| 2024 | 2 | ¥6,380,000 |
| 2025 | 2 | ¥6,930,000 |
By ministry or agency
| Buyer | Awards | Total awarded |
|---|---|---|
| Ministry of Land, Infrastructure, Transport and Tourism | 8 | ¥25,390,000 |
Recent awards
| Procurement | Buyer | Awarded | Value |
|---|---|---|---|
| 【東京航空局新千歳空港事務所】令和７年度 奥尻VOR／DME機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2025-04-03 | ¥1,230,000 |
| 【東京航空局新千歳空港事務所】令和７年度 函館空港機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2025-04-03 | ¥5,700,000 |
| 令和６年度 函館空港機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2024-04-02 | ¥5,100,000 |
| 令和６年度 奥尻ＶＯＲ／ＤＭＥ機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2024-03-04 | ¥1,280,000 |
| 令和５年度 函館空港機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2023-04-06 | ¥5,000,000 |
| 令和５年度 奥尻VOR/DME機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2023-04-06 | ¥1,080,000 |
| 令和４年度 奥尻ＶＯＲ／ＤＭＥ機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2022-04-01 | ¥950,000 |
| 函館空港機械設備保全業務 | Ministry of Land, Infrastructure, Transport and Tourism | 2022-04-01 | ¥5,050,000 |
Company profile (gBizINFO)
- Location
- 北海道函館市山の手１丁目３３番２０号
- Founded
- 1981-04-21
- Unified bidding qualification grades
- D, D
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.