Leading Suppliers Nationally for Aluminium Components

Here is a list of some leading national suppliers of aluminium components in the United Kingdom:

1. Constellium
2. Alcoa
3. Kaiser Aluminum
4. Gränges
5. Novelis
6. Hydro
7. Aleris
8. Norsk Hydro
9. AMAG Austria Metall AG
10. Aluminium Shapes

These companies are known for their significant presence in the aluminium components market within the UK.