 | Byrne Bros (Formwork) Ltd 38 – 42 Hampton Road TEDDINGTON TW11 0JE |
 | Carillion Plc 3rd Floor 84 Salop Street WOLVERHAMPTON WV3 0SR |
 | Cemex UK Operations Ltd Cemex House Evreux Way RUGBY CV21 2DT |
 | Hanson UK Hanson House 14 Castle Hill MAIDENHEAD SL6 4JJ |
 | Hope Construction Materials Stancombe Lane Flax Bourton BRISTOL BS48 3QB |
 | Laing O’Rourke Bridge Place Anchor Boulevard Admirals Park DARTFORD DA2 6SN |
 | Sir Robert Mcalpine Limited Eaton Court Maylands Avenue HEMEL HEMPSTEAD HP2 7TR |
 | Tarmac Cement & Lime Portland House Bickenhill Lane Solihull BIRMINGHAM B37 7BQ |