5449 on Tokyo Stock Exchange

Osaka Steel

Osaka Steel is a Japanese iron and steel company based in Osaka Prefecture, founded in 1978.¹ It is part of Nippon Steel Corporation.¹ Its shares trade on Tokyo Stock Exchange under the symbol 5449.¹

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Last updated Oct 21, 2026.

Overview

May 15, 1978Founded¹

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Ticker5449 on Tokyo Stock Exchange¹
Industryiron and steel industry¹
HeadquartersOsaka Prefecture¹
Websitewww.osaka-seitetu.co.jp
Legal formkabushiki gaisha¹

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Osaka Steel image from its website — Image: osaka-seitetu.co.jp²

Corporate structure

Osaka Steel is part of a group headed by Nippon Steel Corporation. 149 entities, 13 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Nippon Steel Corporation 東京都千代田区, Japan
- Osaka Steel Osaka Prefecture
- U.S. Steel Subsidiary · 100% · Wilmington, Delaware, United States
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  - Oliver Iron Mining Company Subsidiary
  - Transtar, Inc. Subsidiary
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  - Advanced Commercial Building Technologies, LLC Subsidiary · Delaware, United States
  - Big River Steel Corp Subsidiary · Delaware, United States
  - Big River Steel Holdings LLC Subsidiary · Delaware, United States
  - Big River Steel International, Inc. Subsidiary · Delaware, United States
  - BRS Finance Corp Subsidiary · Delaware, United States
  - BRS Intermediate Holdings LLC Subsidiary · Delaware, United States
  - BRS Stock Holdco LLC Subsidiary · Delaware, United States
  - Chicago Lakeside Development, LLC Subsidiary · Delaware, United States
  - Chisholm Coal LLC Subsidiary · Kentucky, United States
  - Chrome Deposit Corporation Subsidiary · Indiana, United States
  - CLD Adjoining Residential Parcels LLC Subsidiary · Delaware, United States
  - CLD Parcel 14 LLC Subsidiary · Delaware, United States
  - Compagnie de Gestion de Mifergui- Nimba, LTEE Subsidiary · Delaware, United States
  - Cygnus Mines Limited Subsidiary · Canada
  - Double G Coatings Company, L.P. Subsidiary · Delaware, United States
  - Essex Minerals Company Subsidiary · New Jersey, United States
  - Exploratory Ventures, LLC Subsidiary · Delaware, United States
  - Fairfield Primary Operations, LLC Subsidiary · Texas, United States
  - Federal Shipbuilding and Drydock Company Subsidiary · United States
  - GCW/USS Energy, LLC Subsidiary · Illinois, United States
  - Grant Assurance Corporation Subsidiary · Vermont, United States
  - Hibbing Development Company Subsidiary · Minnesota, United States
  - and 72 more
- Godo Steel Subsidiary
  - Asahi Industries Subsidiary · Tokyo, Japan
- Krosaki Harima Corporation Subsidiary · Fukuoka Prefecture, Japan
- Kyoei Steel Subsidiary · Osaka Prefecture, Japan
  - Yodoshi Corporation Subsidiary · Osaka Prefecture, Japan
- Nichia Steel Works Subsidiary
- Nippon Coke & Engineering Subsidiary · Tokyo, Japan
- Nippon Denko Subsidiary · Yaesu, Japan
- Nippon Steel Blast Furnace Slag Cement Subsidiary
- Nippon Steel Cement Subsidiary · Muroran, Japan
- Nippon Steel Chemical & Material Subsidiary · Tokyo, Japan
- Nippon Steel Coated Sheet Subsidiary · Nihonbashi-Honchō, Japan
- Nippon Steel Drum Subsidiary
- Nippon Steel Engineering Subsidiary · Tokyo, Japan
- Nippon Steel Logistics Subsidiary · Tokyo, Japan
- Nippon Steel Pipe Subsidiary · Tokyo, Japan
- Nippon Steel SG Wire Subsidiary · Tokyo, Japan
- Nippon Steel Slovakia Subsidiary · Kosice - Saca, Slovakia
  - NSSK Tubular s. r. o. Subsidiary · Kosice - Saca, Slovakia
  - U.S. Steel Kosice - SBS, s.r.o. (U.S. Steel Košice - SBS, s. r. o.) Subsidiary · Kosice, Slovakia
- Nippon Steel Stainless Steel Corporation Subsidiary · Tokyo, Japan
- Nippon Steel Trading Subsidiary
- Nippon Steel Welding & Engineering Subsidiary · Tokyo, Japan
- NS Solutions Subsidiary · Tokyo
  - Infocom Corporation Subsidiary · Tokyo, Japan
- NS United Kaiun Subsidiary
- Ovako Subsidiary · Stockholm, Sweden
  - Ovako Imatra Subsidiary · Stockholm, Sweden
- Sanko Metal Industrial Subsidiary · Tokyo
- and 8 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Nippon Steel Corporation

From Wikidata.¹

Timeline

Dec 1994Went public Listed on Tokyo Stock Exchange¹
May 15, 1978Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataOsaka Steel on Wikidata
2
Company websiteOsaka Steel photo