Tieron / Targeting
Annual report 2026-06-25
Companies › Japanese listed company

株式会社協和日成 (KYOWANISSEI CO.,LTD.)

Tokyo Stock Exchange 1981, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
株式会社協和日成
TICKER
TSE 1981
EDINET CODE
E00189
CORPORATE NUMBER
5011001006550
INDUSTRY
Construction (建設業)
HEAD OFFICE
中央区入船三丁目8番5号
DISCLOSED FOOTPRINT
9 sites · 1 subsidiaries

Disclosed major customers

Counterparties KYOWANISSEI CO.,LTD. named in its own annual securities report. A third-party company named here has KYOWANISSEI CO.,LTD. in its supply base.

東京ガスグループ53.9% of revenue
主な相手先別の売上実績及び割合 | 相手先 | 当事業年度(自 2025年4月1日至 2026年3月31日) | 金額(千円) | 割合(%) | 東京ガスグループ | 21,229,880 | 53.90
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YDX8
The filing addresses human rights.

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.
株式会社協和日成の取引先・主要顧客 — KYOWANISSEI CO.,LTD. suppliers & customers · Tieron