# Ordu Yardımlaşma Kurumu (OYAK)

Group identifier: 789000N4T113IGIO4U04 (LEI of the parent company)  
Ultimate owner: Ordu Yardımlaşma Kurumu (OYAK) (LEI 789000N4T113IGIO4U04, GLEIF, class A) – Reason given in GLEIF: no known controlling person  
Basis of membership: GLEIF relationships – Source [A]: GLEIF – Level 2 (“who owns whom” relationships), LEI record 789000N4T113IGIO4U04 – https://search.gleif.org/#/record/789000N4T113IGIO4U04  
Data as of: 2026-10-20, version 2.30  
Page: https://ai-waw.com/en/companies/groups/ordu-yardimlasma-kurumu

## At a glance

Ordu Yardımlaşma Kurumu (OYAK) – 1 company in the register with 1 plant in 1 country (most: Romania 1). Metals of the plants: alloy steel. Main links of the chain: processing – 1 plant. The parent company Ordu Yardımlaşma Kurumu (OYAK) has no higher parent in GLEIF. Reason given in GLEIF: no known controlling person.

## Value-chain coverage

| Link | Plants | Stages |
|---|---:|---|
| Raw materials | 0 | – |
| Smelting and refining | 0 | – |
| Processing | 1 | electrical steel (sheet and strip) 1 |
| Products | 0 | – |
| Recycling | 0 | – |
| End uses | 0 | – |

## Plants by country

| Country | Plants |
|---|---:|
| Romania | 1 |

## Full capacity by metal and stage

Full capacity of operating single-metal plants – separately for each stage and unit; no sum across stages (a smelter and an extrusion press process the same metal) and no ownership shares in plants (next stage). Multi-metal plants – in the totals table below.

No capacity of operating single-metal plants with a unit.

## Group structure

- **Ordu Yardımlaşma Kurumu (OYAK)** (corporate group; 789000N4T113IGIO4U04)
  - Ereğli Demir ve Çelik Fabrikaları T.A.Ş. (intermediate company – GLEIF parent outside the register; Türkiye; LEI 789000VYQF5IDGG49908; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
    - [Erdemir Romania S.R.L.](https://ai-waw.com/en/companies/erdemir-romania-s-r-l.md) (company; Romania; LEI 2594005AMP4NYJ77WV29; Business register J2002000179151; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Târgoviște – silicon electrical steel in coils (Târgoviște, Romania) – plant; electrical steel (sheet and strip); operating; class B

## Capacity and output of the group companies’ plants

Totals cover the full capacity (and output) of operating plants owned by the group companies, without taking shares in jointly owned plants into account; capacity attributed to the group by share will be added in the next stage. Only values in the same unit and for the same metal are added up.

The plants of the group companies have no capacity or output with a unit in the register.

## Similar groups

Similarity: common metals (weight 0.5), chain links (0.3) and plant countries (0.2) – Jaccard index; only groups with at least one common metal.

- [Erasteel](https://ai-waw.com/en/companies/groups/erasteel.md) – in common: alloy steel; processing
- [Greiffenberger AG](https://ai-waw.com/en/companies/groups/greiffenberger-ag.md) – in common: alloy steel; processing
- [Italian Special Materials and Forgings S.p.A.](https://ai-waw.com/en/companies/groups/italian-special-materials-and-forgings-s-p-a.md) – in common: alloy steel; processing
- [Sind International S.r.l.](https://ai-waw.com/en/companies/groups/sind-international-s-r-l.md) – in common: alloy steel; processing

## Data quality

- Source class of plants: A 0, B 1, C 0
- Plants verified at source: 1 / 1 (2026-10-18 – 2026-10-18)
- Ownership relationships of companies: GLEIF relationship (class A): 1 of 1; group as recorded: 0 of 1; companies with an LEI: 1 of 1
- Basis of membership: GLEIF relationships (class A); Reason given in GLEIF: no known controlling person

The group card (page and Markdown) is open to text and data mining with attribution; the JSON data – like the other JSON data of the register – is reserved as a compiled database. Relationships from GLEIF: CC0 1.0.