Leading Suppliers of Fixed Mixers in the United Kingdom:

1. Tarmac: Tarmac is a major supplier of construction materials in the UK, including fixed mixers for various applications.

2. Cemex UK: Cemex offers a wide range of fixed mixers and concrete solutions across the UK.

3. Hanson UK: Hanson is known for its construction materials, including fixed mixers for the UK market.

4. Breedon Group: Breedon Group is a leading construction materials company that provides fixed mixers and related products in the UK.

5. Hope Construction Materials: Hope Construction Materials is a key supplier of fixed mixers and other construction-related products in the UK.

These companies are prominent suppliers of fixed mixers in the United Kingdom.