Here’s a list of some leading national suppliers of transformer aluminum strips in the United Kingdom:

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Leading National Suppliers of Transformer Aluminium Strips in the UK

1. Alumeco UK

   • Website: alumeco.co.uk
   • Specializes in aluminum products, including transformer strips.

2. Aurubis UK

   • Website: aurubis.com
   • Part of the Aurubis Group, a leading global provider of non-ferrous metal products.

3. Alufoil Products Pvt. Ltd.

   • Website: alufoil.co.uk
   • Offers a variety of aluminum products, including strips for transformers.

4. Delta Metal Company Ltd.

   • Website: deltametal.co.uk
   • Provides a range of aluminum and metal products, focusing on customized solutions.

5. Hindalco Industries Ltd. (Aditya Birla Group)

   • Website: hindalco.com
   • A major player in the aluminum market, although primarily serving international clients.

6. Aalco Metals Ltd.

   • Website: aalco.co.uk
   • A leading supplier of a comprehensive range of metal products, including aluminum strips.

7. Metals4U

   • Website: metals4u.co.uk
   • Supplier of various metal products, including aluminum products suitable for transformers.

8. KME UK Ltd.

   • Website: kme.com
   • Focuses on copper and copper alloys but also offers aluminum solutions.

9. Metal Supermarkets UK

   • Website: metalsupermarkets.com
   • Provides various metals, including aluminum, suitable for transformer manufacturing.

10. Aluminum Warehouse

    • Website: aluminumwarehouse.co.uk
    • Stocks a wide range of aluminum products, catering to various industry needs. ```

This list includes a mix of companies specializing in aluminum products and suppliers with a broader range of offerings. For the most accurate and current information, it’s always a good idea to visit their websites or contact them directly.