Did a quick search, dunno if any of these can supply you, might be able to point you at the right place though:
Corus Service Centre
Chainbridge Road Industrial Estate, Blaydon-On-Tyne, Tyne and Wear NE21 5SS Tel: 0191 4142121
NT STEEL SERVICES
Unit 1, Metnor Business Park, Hadrian Rd, Wallsend, Tyne and Wear NE28 6HH Tel: 0191 263 7463
B.L.S Steels Ltd
12, Westfield Grove, Sunderland, Tyne and Wear SR4 8QZ Tel: 0191 5284900
Ro-Bal Steel Fabrication
Unit 18, Philadelphia Complex, Philadelphia, Houghton Le Spring, Tyne and Wear DH4 4UQ Tel: 0191 5121808