Here’s a list of leading national suppliers of Through Hole Assembly in the United Kingdom, formatted in Markdown:

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Leading National Suppliers of Through Hole Assembly in the UK

1. PCB Design Limited

   • Specializes in PCB design and manufacturing, including through hole assembly.

2. Apollo Electronics

   • Focuses on PCB assembly services, offering through hole assembly as part of their portfolio.

3. Coast Electronics

   • Provides a range of electronic manufacturing services, including through hole PCB assembly.

4. Excel Electronics

   • Offers PCB assembly with capabilities in through hole technology and other assembly methods.

5. Technica Ltd

   • Engaged in various electronic manufacturing services, including through hole assembly.

6. Delek Ltd

   • Provides electronics manufacturing services, focusing on high-quality through hole assembly.

7. Eurocircuits

   • Known for quick-turn PCB prototyping and assembly services, including through hole options.

8. Sovereign PCB Services

   • Specializes in PCB assembly, including through hole technology.

9. MMP Technology Ltd

   • Offers a comprehensive range of PCB assembly services, including through hole and surface mount assembly.

10. S and S Electronics

    • Provides contract manufacturing services, including through hole assembly options.

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This list includes a mix of established companies in the UK known for their expertise in through hole assembly services. For specific inquiries, it's recommended to contact these companies to understand their capabilities, certifications, and innovations further.