Private company

OYAK

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Turkish pension fund

Ordu Yardımlaşma Kurumu (OYAK) (English: Military Solidarity Institution), is a Turkish charity and military pension fund with around 470,000 members. The OYAK Holding Investment Subsidiary Group is one of the largest industrial groups in Turkey. The group was the former owner of ING Oyak Bank, sold to ING Bank in 2007, and the Oypa supermarket chain.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

Mar 1, 1961Founded1

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Ordu Yardımlaşma Kurumu (OYAK) (English: Military Solidarity Institution), is a Turkish charity and military pension fund with around 470,000 members. The OYAK Holding Investment Subsidiary Group is one of the largest industrial groups in Turkey.2

Corporate structure

OYAK sits at the top of its group. 7 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • OYAK Ankara
    • Cimpor Subsidiary · Lisbon
    • Erdemir Subsidiary · İstanbul, Turkey
      • ERDEMIR-ROMANIA SRL Subsidiary · Targoviste, Romania
      • İSKENDERUN DEMİR VE ÇELİK ANONİM ŞİRKETİ Subsidiary · Hatay, Turkey
      • KÜMAŞ MANYEZİT SANAYİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • OYAK Anker Bank Subsidiary · Frankfurt am Main, Germany

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What OYAK 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

Products and brands

  • financial services

Listed on Wikidata.1

Subsidiaries and ownership

Subsidiaries

Also owns

From Wikidata.1

Acquisitions

  1. 2005Acquired Erdemir1
  2. 1993ING Türkiye became a subsidiary1

Timeline

  1. Mar 1, 1961Founded Founded1

Sources

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

  1. 1
  2. 2
  3. 3