• A.B.C. Pressings Ltd
  National Works, Unit 10, Bath Road, HOUNSLOW, Middlesex, TW4 7EA
• Blue Pebble Music Ltd
  53 Salisbury Road, WORCESTER PARK, Surrey, KT4 7DF
• Brise Fabrications
  119 Dartford Road, DARTFORD, Kent, DA1 3EN
• British Alcan Aluminium plc
  Hunton House Unit 1 Highbridge Industrial Estate, Oxford Road, UXBRIDGE, Middlesex, UB8 1HU
• Cold Formed Products Ltd
  24 ST. Mary's Road, LONDON, Greater London, E13 9AD
• J.M. Shopfronts Ltd
  232 Eton Road, ILFORD, Essex, IG1 2UN
• Lonsdale Metal Company Ltd
  Unit 40 Milmead Industrial Centre, Mill Mead Road, LONDON, Greater London, N17 9QU
• Q Glazing Ltd
  83-89 Western Road, Wood Green, LONDON, Greater London, N22 6US
• Reid & Wright Ltd
  33 Ravensbourne Road, Catford, LONDON, Greater London, SE6 4UU
• Ridgeway Architectural Glazing Ltd
  6 Onslow Mills, Trout Road, WEST DRAYTON, Middlesex, UB7 7RR
• Rothel UK Ltd
  2 Rectory Lane, EDGWARE, Middlesex, HA8 7LF
• Towers & Sanders
  Unit 1 Bellingham Trading Estate, Franthorne Way, LONDON, Greater London, SE6 3BX