株式会社ＩＨＩプラント
Tokyo, Japan
Active| Registration number | T1010601026978 |
|---|---|
| Type | Corporation |
| Registered name | 株式会社ＩＨＩプラント |
| Address | 東京都江東区豊洲３丁目１番１号 3-1-1 Toyosu, Koto-ku, Tokyo 135-0061, JAPAN |
| Corporate number | 1010601026978 |
| Corporate number assigned on | 2015-10-05 |
| Invoice registered on | 2023-10-01 |
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 青木 亮治 |
| Reading (furigana) | アイエイチアイプラント |
| Reading (romaji) | Aieichiaipuranto |
| English name (unofficial) | IHI Plant |
| Postal code | 135-0061 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business lines | D:建設業 |
|---|---|
| Employees | 779 |
| Incorporated | 1969-09-01 |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2026-08-18 | 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)
2 national government awards on record between 2024-09-06 and 2025-06-27.
| 2025-06-27 | 【千歳試験場】静翼軸受 |
|---|---|
| 2024-09-06 | 【千歳試験場】圧縮空気の支援作業 |
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 1 programme (2 lines, sheet years 2024–2025; total ¥6.84B).
| 2025 FY2024 | 研究開発推進事業 ¥1.42B （防衛省） 研究、試験に必要な供試体の設計、製造、役務、備品類等の購入 |
|---|---|
| 2024 FY2023 | 研究開発推進事業 ¥5.43B （防衛省） 研究、試験に必要な供試体の設計、製造、役務、備品類等の購入 |
Contract details (excerpt): エンジン高空性能試験装置等の点検整備 ¥1.18B・随意契約（公募） · bidders 1 ／ 水処理設備のうち活性炭塔（更新） ¥198.8M・随意契約（公募） · bidders 1 ／ 圧縮空気の支援作業 ¥34.0M・一般競争契約（最低価格） · bidders 2 ／ 大型エンジン試験装置（その２） ¥1.62B・随意契約（その他） ／ その他試験、研究のための役務等 ¥1.39B・国庫債務負担行為等 ／ 大型エンジン試験装置（その３） ¥1.27B・随意契約（その他）
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） |
|---|---|
| 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/t1010601026978) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-09-25.
Reuse and AI use allowed with attribution. AI content licence