Companies › Japanese listed company

日本製鉄株式会社 (NIPPON STEEL CORPORATION)

Tokyo Stock Exchange 5401, Iron & Steel. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)

日本製鉄株式会社

TICKER

TSE 5401

EDINET CODE

E01225

CORPORATE NUMBER

3010001008848

INDUSTRY

Iron & Steel (鉄鋼)

HEAD OFFICE

千代田区丸の内二丁目６番１号

DISCLOSED FOOTPRINT

8 sites · 35 subsidiaries

Disclosed suppliers

Suppliers NIPPON STEEL CORPORATION named in its own annual securities report.

WITHIN THE GROUP — NIPPON STEEL CORPORATION’s own consolidated subsidiaries and affiliates (関係会社の状況). Intra-group transfers, not third-party trade.

黒崎播磨(株)

“当社は当該子会社より耐火物を購入している。”

Annual securities report (有価証券報告書), filed 2026-06-23 — EDINET S100YF8E

日鉄物産(株)

“当社は当該子会社より機械製品及び鉄鋼原料等を購入している。”

Annual securities report (有価証券報告書), filed 2026-06-23 — EDINET S100YF8E

Business segments

製鉄

91.2% of revenue — 鉄鋼製品の製造販売

エンジニアリング

3.6% of revenue — 各種プラント・施設、エネルギー導管、水道設備、産業機械・装置、建築物、建築部材・装置、鋼構造物等の設計・製作・販売・施工・監理、プラント・施設等の運転・運営・維持管理、廃棄物等の処理・再生資源化事業、電気・ガス・熱等の供給事業

ケミカル&マテリアル

2.4% of revenue — 石炭化学製品、石油化学製品、電子材料、半導体・電子部品用材料・部材、炭素繊維・複合材、金属加工品の製造販売

システムソリューション

2.9% of revenue — コンピュータシステムに関するエンジニアリング・コンサルティング、ITを用いたアウトソーシングサービスその他の各種サービス

The filing addresses human rights.

Sector risk context: supply-chain risk for Mining & Metals (smelting/refining) in Japan.

More Iron & Steel companies

AICHI STEEL CORPORATION ARAYA INDUSTRIAL CO.,LTD.Chubu Steel Plate Co.,Ltd.CHUO MALLEABLE IRON CO., LTD.Daido Steel Co., Ltd.ENVIPRO HOLDINGS Inc.Godo Steel,Ltd.HOKUETSU METAL Co.,Ltd.

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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.