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Annual report 2026-08-21
Companies › Japanese listed company

日本国土開発株式会社 (JDC CORPORATION)

Tokyo Stock Exchange 1887, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
日本国土開発株式会社
TICKER
TSE 1887
EDINET CODE
E00059
CORPORATE NUMBER
3010401022812
INDUSTRY
Construction (建設業)
HEAD OFFICE
港区虎ノ門四丁目3番13号
DISCLOSED FOOTPRINT
19 sites · 15 subsidiaries

Disclosed major customers

Counterparties JDC CORPORATION named in its own annual securities report. A third-party company named here has JDC CORPORATION in its supply base.

野村不動産株式会社11.8% of revenue
当事業年度野村不動産株式会社15,989百万円(11.8%)
Annual securities report (有価証券報告書), filed 2026-08-21 — EDINET S100YXXI

Disclosed suppliers

Suppliers JDC CORPORATION named in its own annual securities report.

WITHIN THE GROUP — JDC CORPORATION’s own consolidated subsidiaries and affiliates (関係会社の状況). Intra-group transfers, not third-party trade.
国土開発工業(株)
当社が工事及び建設用機械を発注している。
Annual securities report (有価証券報告書), filed 2026-08-21 — EDINET S100YXXI
海洋工業(株)
当社が工事を発注している。
Annual securities report (有価証券報告書), filed 2026-08-21 — EDINET S100YXXI
コクドビルエース(株)
当社が工事を発注している。
Annual securities report (有価証券報告書), filed 2026-08-21 — EDINET S100YXXI
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.
日本国土開発株式会社の取引先・主要顧客 — JDC CORPORATION suppliers & customers · Tieron