Leading Suppliers Nationally for Roll Forming Open Profiles

Here is a list of leading national suppliers of Roll Forming Open Profiles in the United Kingdom:

1. Hadley Group - Hadley Group is a leading supplier of cold rolled steel products, including roll formed open profiles.

2. Voestalpine Metsec - Voestalpine Metsec specializes in providing roll formed steel products, including open profiles, to various industries.

3. Kloeckner Metals UK - Kloeckner Metals UK offers a wide range of steel products, including roll formed open profiles, to customers in the UK.

Please note that the list is not exhaustive and there may be more companies in the UK that supply roll formed open profiles.