Here is a list of leading national suppliers of sewage or sludge pumps in the United Kingdom presented in Markdown format:

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Leading Suppliers of Sewage or Sludge Pumps in the UK

1. Xylem

   • Website: xylem.com

2. Wilo

   • Website: wilo.com

3. Grundfos

   • Website: grundfos.com

4. KSB

   • Website: ksb.com

5. Ebara Pumps

   • Website: ebarawater.com

6. Sulzer

   • Website: sulzer.com

7. Flygt (part of Xylem)

   • Website: flygt.com

8. David Brown Santasalo

   • Website: dbsantasalo.com

9. Sewage Pumps UK

   • Website: sewagepumpsuk.co.uk

10. Alco Valves

    • Website: alcovalves.com ```

This list includes some of the key players in the sewage and sludge pump market in the UK, which are recognized for their innovative products and reliable services. Always check the latest offerings and industry developments for the most current information.