Private company

Erdemir

Logo: OYAK, Public domain, via Wikimedia Commons4

Turkish steel producer

Ereğli Demir ve Çelik Fabrikaları T.A.Ş. (Ereğli Iron and Steel Factories) is a Turkish steel producer. Erdemir occupies the 43rd place among the largest steel companies in the world and is also involved in coal in Turkey.2 It employed about 15,000 people.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1965Founded1
  • Industryiron and steel industry1
  • HeadquartersKaradeniz Ereğli1
  • Founded inZonguldak1
  • Websitewww.erdemir.com.tr
  • Legal formAnonim şirket1
  • LEI789000VYQF5IDGG499083
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressBARBAROS MAH.ARDIÇ SK.NO.6 ATAŞEHİR/İSTANBUL, 34746 İstanbul, Turkey3
  • Registered withMinistry of Customs and Trade, General Directorate of Domestic Trade, 03520006426000203
Erdemir Demir
Photo: Sisispi, CC BY-SA 3.0, via Wikimedia Commons6

Ereğli Demir ve Çelik Fabrikaları T.A.Ş. (Ereğli Iron and Steel Factories) is a Turkish steel producer. Erdemir occupies the 43rd place among the largest steel companies in the world and is also involved in coal in Turkey.2

Corporate structure

Erdemir is part of a group headed by ORDU YARDIMLAŞMA KURUMU. 58 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ORDU YARDIMLAŞMA KURUMU Ankara, Turkey
    • ATAER HOLDİNG ANONİM ŞİRKETİ Ankara, Turkey
      • Erdemir İstanbul, Turkey
        • İsdemir Subsidiary · İskenderun
        • ERDEMIR-ROMANIA SRL Subsidiary · Targoviste, Romania
        • İSKENDERUN DEMİR VE ÇELİK ANONİM ŞİRKETİ Subsidiary · Hatay, Turkey
        • KÜMAŞ MANYEZİT SANAYİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • AKDENİZ CHEMSON KİMYA SANAYİ VE TİCARET ANONİM ŞİRKETİ Subsidiary · İzmi̇r, Turkey
    • Akdeniz Chemson Additives AG Subsidiary · 100% · Arnoldstein, Austria
    • HEKTAŞ TİCARET TÜRK ANONİM ŞİRKETİ Subsidiary · Kocaeli̇, Turkey
    • LİKİTGAZ DAĞITIM VE ENDÜSTRİ ANONİM ŞİRKETİ Subsidiary · Istanbul, Turkey
    • OYAK İNŞAAT ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • OYAK YATIRIM MENKUL DEĞERLER ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • OYAK GRUP SİGORTA VE REASÜRANS BROKERLİĞİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • OYAK PORTFÖY YÖNETİMİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
        • OYAK PORTFÖY ALTIN KATILIM FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ BORÇLANMA ARAÇLARI FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ DEĞİŞKEN FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ FON SEPETİ FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ KISA VADELİ BORÇLANMA ARAÇLARI (TL) FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ PARA PİYASASI (TL) FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY BİRİNCİ SERBEST FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY DÖRDÜNCÜ SERBEST FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY İKİNCİ BORÇLANMA ARAÇLARI (TL) FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY İKİNCİ DEĞİŞKEN FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY İKİNCİ FON SEPETİ FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY İKİNCİ KISA VADELİ KİRA SERTİFİKALARI KATILIM (TL) FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY İKİNCİ SERBEST(DÖVİZ) FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY İSTATİSTİKSEL ARBİTRAJ SERBEST (TL) FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY KAR PAYI ÖDEYEN BİRİNCİ SERBEST (TL) FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY KATILIM HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • OYAK PORTFÖY KIYMETLİ MADENLER FON SEPETİ FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY OYAK GRUP ŞİRKETLERİ ENDEKSİ HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • OYAK PORTFÖY OYAK ÜYELERI İLE ÇALIŞANLARıNA YÖNELİK BORÇLANMA ARAÇLARI ÖZEL FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY SAVUNMA SANAYİİ ŞİRKETLERİ ENDEKSİ HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • OYAK PORTFÖY TÜRKİYE FİNANS KATILIM SERBEST (DÖVİZ-ABD DOLARI) FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY TÜRKİYE FİNANS KATILIM SERBEST (DÖVİZ-AVRO) FON Fund · İstanbul, Turkey
        • OYAK PORTFÖY TÜRKİYE FİNANS KISA VADELİ KİRA SERTİFİKASI KATILIM (TL) FONU Fund · İstanbul, Turkey
        • OYAK PORTFÖY YÖNETİMİ A.Ş İKİNCİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • and 17 more
      • OYAK YATIRIM ORTAKLIĞI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

What it owns

What Erdemir reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

The story

Erdemir, which began production in 1965, has a production capacity of 8.5 million tons/year of crude steel (2020 value). It is the largest iron and steel company in Turkey and was the only flat steel producer till January 2009. It produces plates, hot and cold-rolled sheet and tinplate.

Its main plant is located on an area of approximately 4 km2 (1.5 sq mi) at Karadeniz Eregli, Zonguldak on the shore of the Black Sea. Erdemir operates a large seaport, the Port of Erdemir, to import and export materials.

Erdemir has Port of Erdemir also acquired the steel plant at İskenderun, Hatay Province in southern Turkey.

Turkish Armed Forces Pension Fund (OYAK) acquired a 49.29% stake in Erdemir on 4 October 2005 for $2.77 billion in a televised auction, in which it outbid several major steel companies. The fund acquired 46.12% from the Turkish Privatization Board (OIB) and it was also obliged to purchase an additional 3.17% stake from a Turkish bank.

From Wikipedia’s article on Erdemir, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Owners

Also owns

Parent company (GLEIF)

Ultimate parent

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Dec 1, 2020Parent Directly consolidated by ATAER HOLDİNG ANONİM ŞİRKETİ3
  2. 2005Acquired Acquired by OYAK1
  3. 1965Founded Founded in Zonguldak1

Sources

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

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6