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Annual report 2026-06-23
Companies › Japanese listed company

TEKKEN CORPORATION

鉄建建設株式会社Tokyo Stock Exchange 1815, Construction. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
鉄建建設株式会社
TICKER
TSE 1815
EDINET CODE
E00065
CORPORATE NUMBER
2010001008709
INDUSTRY
Construction (建設業)
HEAD OFFICE
千代田区神田三崎町二丁目5番3号
DISCLOSED FOOTPRINT
10 sites · 3 subsidiaries

Disclosed major customers

Counterparties TEKKEN CORPORATION named in its own annual securities report. A company named here has TEKKEN CORPORATION in its supply base.

東日本旅客鉄道(株)24% of revenue
第85期 東日本旅客鉄道(株) 41,658百万円 24.0%
Annual securities report (有価証券報告書), filed 2026-06-23 — EDINET S100YGCF
The filing states a human-rights policy and describes human-rights due diligence: “当社グループは、責任ある企業活動を促進し、社会全体における人権の保護及び推進に貢献すべく、2023年12月に国連の「ビジネスと人権に関する指導原則」に基づく「鉄建建設グループ人権方針」を策定しました。当社グループは、人権尊重の取組を着実に進めるため、人権デュー・ディリジェンスを実施し、事業活動における人権への顕在的又は潜在的な負の影響に対して、防止、軽減を図っています。

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.