Tieron / Targeting
Annual report 2026-06-24
Companies › Japanese listed company

大成温調株式会社 (taisei oncho co.,ltd.)

Tokyo Stock Exchange 1904, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
大成温調株式会社
TICKER
TSE 1904
EDINET CODE
E00233
CORPORATE NUMBER
3010701005946
INDUSTRY
Construction (建設業)
HEAD OFFICE
品川区大井一丁目49番10号
DISCLOSED FOOTPRINT
1 sites · 8 subsidiaries

Disclosed major customers

Counterparties taisei oncho co.,ltd. named in its own annual securities report. A third-party company named here has taisei oncho co.,ltd. in its supply base.

(株)フジタ10.1% of revenue
㈱フジタ 6,260,677千円 10.1%
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YIC7

Disclosed suppliers

Suppliers taisei oncho co.,ltd. named in its own annual securities report.

WITHIN THE GROUP — taisei oncho co.,ltd.’s own consolidated subsidiaries and affiliates (関係会社の状況). Intra-group transfers, not third-party trade.
温調エコシステムズ(株)
当社の工事を施工及び資材の一部を納入している。
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YIC7
The filing states a human-rights policy and partially describes human-rights due diligence: “多様な人財が長く活躍できるよう、人権尊重、柔軟な働き方、成長機会の拡充、風土改善等を通じ、組織の競争力とエンゲージメントを高めます。また、人権、サイバーセキュリティ等、事業環境の変化とともに浮上するリスクを管理し、対応する能力を高めます。

Sector risk context: supply-chain risk for Construction & EPC in Japan.

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Sources: EDINET code list (Financial Services Agency) and the company’s own annual securities report (有価証券報告書) retrieved via EDINET. Disclosed relationships are quoted from the filing and carry its EDINET accession number; extraction is automated and conservative — anything the filing does not state is left out. Tieron does not certify, audit or endorse the company, and this page contains no Tieron risk assessment. Report an issue with this page — corrections referencing the accession number shown above are fastest to verify.