三国屋建設株式会社
Ibaraki, Japan
Active| Registration number | T9050001020819 |
|---|---|
| Type | Corporation |
| Registered name | 三国屋建設株式会社 |
| Address | 茨城県神栖市奥野谷８０８３番地１ 8083-1 Okunoya, Kamisu-shi, Ibaraki 314-0116, JAPAN |
| Corporate number | 9050001020819 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
| Record last updated | 2024-02-20 |
Invoice registration date = when the T-number took effect, not the founding date.
Corporate registry record
| Entity type | Kabushiki Kaisha (stock company) |
|---|---|
| Representative | 代表取締役 和田 英司 |
| Reading (furigana) | ミクニヤケンセツ |
| Reading (romaji) | Mikuniyakensetsu |
| English name (unofficial) | Mikuniya Kensetsu |
| Postal code | 314-0116 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business lines | D:建設業 |
|---|---|
| Employees | 232 （male 212 / female 20） |
| Incorporated | 1972-05-23 |
| Website | www.mikuniya-web.jp/pages/237/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2023-09-25 | Head-office address changed (Japan) |
|---|
Source: daily change files of the NTA Corporate Number Publication Site. Before 2023-08-16 only the latest change is known. All company events →
Government contract awards (GEPS)
39 national government awards on record between 2014-09-11 and 2026-08-12.
| 2026-08-12 | FY2026 Ibaraki Port Workboat Charter (Part 2) 令和８年度 茨城港港湾業務艇用船（その２） |
|---|---|
| 2026-04-01 | FY2026 Kashima Port Caisson Yard Drainage Equipment Installation Work 令和８年度 鹿島港ケーソンヤード排水設備設置等業務 |
| 2025-09-02 | 令和７年度 茨城港港湾業務艇用船 |
| 2025-07-07 | Patrol boat hull cleaning work (unit-price contract) 巡視艇船底等清掃作業（単価契約） |
| 2025-04-04 | 令和７年度 鹿島港港湾業務艇用船 |
Full award history on Japan Tenders →
出典：調達ポータル（https://www.p-portal.go.jp/）
Payments from national budget programmes (行政事業レビュー)
Ministry review sheets report this company as a payee of 2 programmes (2 lines, sheet years 2025–2025; total ¥26.3M).
| 2025 FY2024 | 再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業 ¥15.0M （経済産業省） 三洋テクノマリン株式会社の再委託・外注先 |
|---|---|
| 2025 FY2024 | 再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業 ¥11.3M （経済産業省） 三洋テクノマリン株式会社の再委託・外注先 |
Contract details (excerpt): 令和４年度再生可能エネルギーの大量導入に向けた次世代型ネットワーク構築加速化事業 ¥15.0M・その他 · bidders 1 ／ 令和５年度 再生可能エネルギー大量導入に向けた次世代型ネットワーク構築加速化事業 ¥11.3M・その他 · bidders 1
Source: 行政事業レビュー見える化サイト (Cabinet Secretariat, PDL 1.0) — edited extract by LoreaTec. A sheet year describes the previous fiscal year’s spending. Programme database →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-27 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
|---|---|
| 2021-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
| 2019-04-01 | Government bidding qualification (統一資格) 企業 ／ 施設課経理係 （Ministry of Justice） |
Source: gBizINFO (METI) notifications & certifications dataset, refreshed monthly. Some licenses (e.g. construction 建設業許可, electrician registrations) are not part of the gBizINFO dataset.
Verify in official sources
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t9050001020819) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-09.
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