Tieron / Targeting
Annual report 2025-09-29
Companies › Japanese listed company

株式会社三東工業社 (santo co.,ltd)

Tokyo Stock Exchange 1788, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
株式会社三東工業社
TICKER
TSE 1788
EDINET CODE
E00259
CORPORATE NUMBER
7160001005521
INDUSTRY
Construction (建設業)
HEAD OFFICE
甲賀郡信楽町大字江田610番地
DISCLOSED FOOTPRINT
3 sites · 2 subsidiaries

Disclosed major customers

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

滋賀県22.8% of revenue
第71期滋 賀 県1,756,492千円(22.8%)
Annual securities report (有価証券報告書), filed 2025-09-29 — EDINET S100WROP
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.