Leading Suppliers Nationally for Steel Shims

Sure, here is a list of leading national suppliers of Steel Shims in the United Kingdom in Markdown format:

1. Stephens Gaskets - Website: Stephens Gaskets
2. Masteel UK Ltd - Website: Masteel UK Ltd
3. Boker's, Inc. - Website: Boker's, Inc.
4. SPIROL International Limited - Website: SPIROL International Limited

These companies are known for their high-quality steel shims and have a strong presence in the UK market.