Leading Suppliers Nationally for Semi Blind Grommets

I am unable to browse the internet in real-time to provide you with the most up-to-date information. However, here are some prominent companies in the United Kingdom that are known for supplying semi-blind grommets:

1. Harrison Silverdale Ltd
2. Boker's Inc
3. Welding Alloys Ltd
4. Trans-Matic Manufacturing Co
5. Elesa UK Limited

Please note that market dynamics and leading suppliers can change over time, so I recommend verifying the current status with industry reports or directly contacting the companies for the most accurate information.