1. Alvan Blanch Development Co
Ltd, UK.
2. Cimbria UK, UK.
3. E.W. Downs & Son Ltd,
UK.
4. Haith-Tickhill Group,
UK.
5. R.J. Herbert Engineering Ltd,
UK.
6. Richard Pearson Ltd,
UK.
8. Samplex Ltd, UK.
7. Tickhill Engineering Co Ltd,
UK.
8. Tong Peal Engineering Ltd.,
UK.