Leading Suppliers Nationally for Structural or to Specification Fabricating Engineers

Sure, here is a list of some leading suppliers of structural or to specification fabricating engineers in the United Kingdom:

1. Severfield - One of the largest structural steelwork companies in the UK, offering a wide range of services including design, fabrication, and construction.

2. Billington Holdings - Specializing in the design, manufacture, and installation of structural steel and associated metalwork for a variety of sectors.

3. Taunton Fabrications - Provides structural steelwork fabrication services for commercial, industrial, and residential projects.

4. BHC Ltd - Offers bespoke structural steelwork solutions for complex and demanding construction projects.

5. Barrett Steel - One of the UK's largest steel stockholders, supplying structural steel products and services nationwide.

Please note that this list is not exhaustive, and there are other reputable companies in the industry as well.