ダイダン株式会社
Osaka, Japan
Active| Registration number | T6120001045084 |
|---|---|
| Type | Corporation |
| Registered name | ダイダン株式会社 |
| Address | 大阪府大阪市西区江戸堀1丁目9番25号 1-9-25 Edobori, Osaka-shi Nishi-ku, Osaka 550-0002, JAPAN |
| Corporate number | 6120001045084 |
| 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 | 代表取締役社長執行役員 山中 康宏 |
| Reading (furigana) | ダイダン |
| Reading (romaji) | Daidan |
| English name (unofficial) | Daidan |
| Postal code | 550-0002 |
Source: NTA Corporate Number Publication Site, refreshed daily. Representative: gBizINFO (METI, monthly).
Company profile (gBizINFO)
| Business summary | 電気工事、空調工事、水道衛生工事、消防施設工事および機械器具設置工事の設計、監理、施工 |
|---|---|
| Business lines | D:建設業 |
| Employees | 1,761 |
| Capital | ¥4.48B |
| Incorporated | 1933-10-10 |
| Website | www.daidan.co.jp/ |
Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.
Timeline — registry changes
| 2025-10-01 | Merger — absorbed another company |
|---|
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)
18 national government awards on record between 2018-12-26 and 2025-02-28.
| 2025-02-28 | 【特許庁】特許庁本庁舎8階南執務室改修工事(機械設備工事) 一式 |
|---|---|
| 2025-02-10 | Supreme Court Building Mechanical Equipment Renovation Work (Repeat) 最高裁庁舎機械設備改修工事(再度) |
| 2024-08-26 | Steam pressure reducing valve replacement work in the third basement heat source machine r 特許庁庁舎地下3階熱源機械室蒸気減圧弁交換工事 |
| 2023-11-21 | Tama Zensensoen National Sanatorium 3rd West Center Administration Building Gas Heat Pump 国立療養所多磨全生園第3西センター管理棟等GHP更新工事 |
| 2023-06-05 | 冷却塔ファンモーター及びNo3ファン交換工事 |
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 3 programmes (4 lines, sheet years 2024–2025; total ¥1.26B).
| 2025 FY2024 | 自衛隊施設の抗たん性の向上 ¥453.2M (防衛省) 建設工事 |
|---|---|
| 2025 FY2024 | 独立行政法人国際協力機構施設整備費補助金 ¥379.9M (外務省) 施設改修等の実施 |
| 2025 FY2024 | 施設整備費 ¥306.1M (特許庁) 特許庁総合庁舎改修工事設計・施工 |
| 2024 FY2023 | 施設整備費 ¥125.0M (特許庁) 特許庁総合庁舎改修工事設計・施工 |
Contract details (excerpt): 築城(5)庁舎新設機械追加工事 ¥409.2M・随意契約(企画競争) · bidders 1 / JICA北海道(札幌)衛生・空調配管等更新工事 ¥379.9M・一般競争契約(最低価格) · bidders 1 / 特許庁庁舎における改修工事 ¥306.1M・国庫債務負担行為等 / 築城(5)庁舎新設機械工事 ¥44.0M・一般競争契約(総合評価) · bidders 1 / 特許庁庁舎における改修工事 ¥125.0M・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 →
Licenses, registrations & certifications (gBizINFO)
| 2023-03-31 | 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) |
| 2025-12-01 | DX Certification (METI) (METI) |
| 2023-12-01 | DX Certification (METI) (METI) |
| 2021-12-01 | DX Certification (METI) (METI) |
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/t6120001045084) — Source: National Tax Agency corporate-number and qualified-invoice registries. Retrieved 2026-11-08.
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