三井住友建設鉄構エンジニアリング株式会社
Chiba, Japan
Active| Registration number | T8040001073133 |
|---|---|
| Type | Corporation |
| Registered name | 三井住友建設鉄構エンジニアリング株式会社 |
| Address | 千葉県千葉市美浜区中瀬２丁目６番地１ 2-6-1 Nakase, Chiba-shi Mihama-ku, Chiba 261-0023, JAPAN |
| Corporate number | 8040001073133 |
| 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 徳田 紳二 |
| Reading (furigana) | アルソシアテッコウ |
| Reading (romaji) | Arusoshiatekko |
| English name (unofficial) | Sumitomo Mitsui Construction Steel Structures Engineering |
| Postal code | 261-0023 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Incorporated | 1974-02-20 |
|---|
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2026-10-01 | Name changed formerly 三井住友建設鉄構エンジニアリング株式会社 → アルソシア鉄構株式会社 |
|---|
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)
8 national government awards on record between 2017-04-21 and 2025-10-07.
| 2025-10-07 | Manufacturing of 1 disaster-resilient floating pier (30m type) 防災型浮桟橋（３０ｍ型）１基製造 |
|---|---|
| 2023-11-30 | Manufacturing of 1 floating pier (20-meter type) 浮桟橋（２０ｍ型）１基製造 |
| 2022-08-05 | 防災型浮桟橋（２０ｍ型）１基製造 |
| 2022-06-10 | Manufacturing of 1 disaster-resilient floating pier (30m type) 防災型浮桟橋（３０ｍ型）１基製造 |
| 2021-11-02 | ４０ｍ型浮桟橋製造 １基 |
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 2024–2024; total ¥1.04B).
| 2024 FY2023 | 道路災害復旧事業 ¥679.4M （国土交通省） |
|---|---|
| 2024 FY2023 | 国立ハンセン病療養所施設費 ¥356.4M （厚生労働省） |
Contract details (excerpt): 災害復旧工事 ¥679.4M・一般競争契約（総合評価） · bidders 1 ／ 浮桟橋新設工事完成払（繰越分） ¥356.4M・一般競争契約（総合評価） · 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 →
Verify in official sources
How to cite this page
Data via LoreaTec BizSearch (https://bizsearch.loreatec.jp/t8040001073133) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.
Reuse and AI use allowed with attribution. AI content licence