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ダイダン株式会社

Osaka, Japan

Active
Registration numberT6120001045084
TypeCorporation
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 number6120001045084
Corporate number assigned on2015-10-05
Invoice registered on2023-10-01

Invoice registration date = when the T-number took effect, not the founding date.

Corporate registry record

Entity typeKabushiki 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 code550-0002

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 linesD:建設業
Employees1,761
Capital¥4.48B
Incorporated1933-10-10
Websitewww.daidan.co.jp/

Source: gBizINFO (METI), refreshed monthly — edited extract by LoreaTec. Figures are as filed by each company.

Timeline — registry changes

2025-10-01Merger — 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
2025-02-10Supreme Court Building Mechanical Equipment Renovation Work (Repeat)
最高裁庁舎機械設備改修工事(再度)
2024-08-26Steam 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
2023-11-21Tama 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)

2023-03-31Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice)
2021-04-01Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice)
2019-04-01Government bidding qualification (統一資格) 企業 / 施設課経理係 (Ministry of Justice)
2025-12-01DX Certification (METI) (METI)
2023-12-01DX Certification (METI) (METI)
2021-12-01DX 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.

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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