Tieron / Targeting
Annual report 2025-10-28
Companies › Japanese listed company

株式会社大盛工業 (OHMORI CO.,LTD.)

Tokyo Stock Exchange 1844, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
株式会社大盛工業
TICKER
TSE 1844
EDINET CODE
E00239
CORPORATE NUMBER
9011801002605
INDUSTRY
Construction (建設業)
HEAD OFFICE
千代田区神田多町二丁目1番地
DISCLOSED FOOTPRINT
5 sites · 3 subsidiaries

Disclosed major customers

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

東京都下水道局41.2% of revenue
当連結会計年度 東京都下水道局 41.2% 2,661,413千円
Annual securities report (有価証券報告書), filed 2025-10-28 — EDINET S100WWZA
東京都水道局13.9% of revenue
当連結会計年度 東京都水道局 13.9% 895,374千円
Annual securities report (有価証券報告書), filed 2025-10-28 — EDINET S100WWZA
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.