# KME Group

Group identifier: 815600C0FDF216309522 (LEI of the parent company)  
Ultimate owner: Quattroduedue S.p.A. (LEI 815600C0FDF216309522, 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 815600C0FDF216309522 – https://search.gleif.org/#/record/815600C0FDF216309522  
Data as of: 2026-10-20, version 2.31  
Page: https://www.ai-waw.com/en/companies/groups/kme-group

## At a glance

KME Group – 9 companies in the register with 10 plants in 4 countries (most: Germany 4, Italy 3, France 2). Metals of the plants: copper, tin. Main links of the chain: processing – 10 plants. The parent company Quattroduedue S.p.A. 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 | 10 | plates, sheet and strip 9; casthouse 1 |
| Products | 0 | – |
| Recycling | 0 | – |
| End uses | 0 | – |

## Plants by country

| Country | Plants |
|---|---:|
| Germany | 4 |
| Italy | 3 |
| France | 2 |
| Netherlands | 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

- **KME Group** (corporate group; 815600C0FDF216309522)
  - [KME Mansfeld GmbH (d. MKM Mansfelder Kupfer und Messing)](https://www.ai-waw.com/en/companies/kme-mansfeld-gmbh-d-mkm-mansfelder-kupfer-und-messing.md) (company; Germany; LEI 529900EGC6Y7DTFWWU22; Business register HRB 207208; register · C)
    - Hettstedt – rolling mill, tube mill, rails (Hettstedt, Germany) – plant; plates, sheet and strip; operating; Output 2024: 50.7 kt output; class A
  - [KME Netherlands B.V.](https://www.ai-waw.com/en/companies/kme-netherlands-b-v.md) (company; Netherlands; LEI 52990053C3JDY3MGF665; Business register 52930610; register · C)
    - Zutphen – rolling mill (Zutphen, Netherlands) – plant; plates, sheet and strip; operating; Output 2023: 21.0 kt gross (plant output); class A
  - KME SE (intermediate company – GLEIF parent outside the register; Germany; LEI 213800C12EAJKHXISN21; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
    - [Azienda Metalli Laminati S.p.A.](https://www.ai-waw.com/en/companies/azienda-metalli-laminati-s-p-a.md) (company; Italy; LEI 815600B34EEF102AB784; Business register 01037030010; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Quargnento – strip rolling mill (Quargnento, Italy) – plant; plates, sheet and strip; operating; class A
    - [KME France S.A.S. (Tréfimétaux)](https://www.ai-waw.com/en/companies/kme-france-s-a-s-trefimetaux.md) (company; France; LEI 213800VZQ32OIINKMA47; Business register 672 014 099; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Givet / Fromelennes – foundry (tube mill until 2022) (Givet, France) – plant; casthouse; operating; Output 2024: 8.90 kt products shipped; class A
      - Masevaux-Niederbruck – Niederbruck (copper busbars and bars) (Masevaux-Niederbruck, France) – plant; bars and profiles; operating; Output 2024: 2.50 kt products shipped; class B
    - [KME Germany GmbH](https://www.ai-waw.com/en/companies/kme-germany-gmbh.md) (company; Germany; LEI 213800NBPB4DRJGNV502; Business register HRB 214664; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Osnabrück – strip rolling mill and foundry (Osnabrück, Germany) – plant; plates, sheet and strip; operating; Output 2024: 48.6 kt output; class A
    - [KME Italy S.p.A.](https://www.ai-waw.com/en/companies/kme-italy-s-p-a.md) (company; Italy; LEI 213800AI43N1U8A9HD58; Business register 00881250153; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Fornaci di Barga – rolling mill (Fornaci di Barga, Italy) – plant; plates, sheet and strip; operating; Output 2024: 38.6 kt products shipped; class A
    - [KME Italy S.p.A. (Serravalle Copper Tubes)](https://www.ai-waw.com/en/companies/kme-italy-s-p-a-serravalle-copper-tubes.md) (company; Italy; LEI 213800AI43N1U8A9HD58; Business register 00881250153; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Serravalle Scrivia – rurownia (Serravalle Scrivia, Italy) – plant; tubes; operating; Output 2024: 7.20 kt products shipped; class A
    - [KME Stolberg GmbH](https://www.ai-waw.com/en/companies/kme-stolberg-gmbh.md) (company; Germany; LEI 213800MAVH2KX1BNRX86; Business register HRB 207064; Consolidation relationship from GLEIF (Level 2, CC0) – class A source)
      - Stolberg – rolling mill (Stolberg, Germany) – plant; plates, sheet and strip; closed; Output 2024: 6.90 kt shipments; class A
  - [Sundwiger Messingwerk GmbH](https://www.ai-waw.com/en/companies/sundwiger-messingwerk-gmbh.md) (company; Germany; LEI 875500PRYSHJVDHUUI77; Business register HRB 9859; register · C)
    - Hemer-Sundwig – bronze and brass rolling mill (Hemer, Germany) – plant; plates, sheet and strip; operating; class A

## 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.

| Metal | Stage | capacity / output | Unit | Plants in total |
|---|---|---:|---|---:|
| copper | casthouse | 8.90 (output 2024) | kt products shipped | 1 |
| copper | plates, sheet and strip | 21.0 (output 2023) | kt gross (plant output) | 1 |
| copper | bars and profiles | 9.70 (output 2024) | kt products shipped | 2 |
| copper + tin | plates, sheet and strip | 99.3 (output 2024) | kt output | 2 |
| copper + tin | plates, sheet and strip | 38.6 (output 2024) | kt products shipped | 1 |

## Flow analyses

“Metal flows” analyses in which plants of the group companies appear; below – analyses covering the metal and country of the group plants.

- [EU Copper Flow Analysis](https://www.ai-waw.com/en/metal-flows/eu-copper-flow-analysis.md) – in the analysis: 8 plants, 8 companies
- [Copper Flows in Germany](https://www.ai-waw.com/en/metal-flows/copper-flows-germany.md) – in the analysis: 4 plants, 4 companies
- [Copper Flows in Italy](https://www.ai-waw.com/en/metal-flows/copper-flows-italy.md) – in the analysis: 3 plants, 3 companies
- [Copper Flows in France](https://www.ai-waw.com/en/metal-flows/copper-flows-france.md) – in the analysis: 2 plants, 1 company
- [EU-27 Tin Flows](https://www.ai-waw.com/en/metal-flows/eu-tin-flow-analysis.md) – in the analysis: 4 plants, 4 companies

## 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.

- [Elcowire](https://www.ai-waw.com/en/companies/groups/elcowire.md) – in common: copper, tin; processing; Germany
- [Hailiang Group](https://www.ai-waw.com/en/companies/groups/hailiang-group.md) – in common: copper; processing; Germany, Italy, France
- [ELEKTRISOLA Dr. Gerd Schildbach GmbH & Co. KG](https://www.ai-waw.com/en/companies/groups/elektrisola-dr-gerd-schildbach-gmbh-co-kg.md) – in common: copper; processing; Germany, Italy
- [Aequafin S.p.A.](https://www.ai-waw.com/en/companies/groups/aequafin-s-p-a.md) – in common: copper; processing; Italy

## Data quality

- Source class of plants: A 9, B 1, C 0
- Plants verified at source: 10 / 10 (2026-10-06 – 2026-10-08)
- Ownership relationships of companies: GLEIF relationship (class A): 6 of 9; group as recorded: 3 of 9; companies with an LEI: 9 of 9
- 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.