Aggregate Industries UK Limited

Alfred McAlpine Special Projects

Avebury plc

CEMEX UK Operations Ltd

Fitness First

Fitzpatrick Contractors Limited

Hanson Aggregates

ISG InteriorExterior plc

Jacobs Babtie

Mowlem plc

Odeon Cinemas Limited

Persimmon Homes Limited

Rank Group

Robert Hitchins Limited

SITA UK Ltd

Sir Robert McAlpine Limited

Skanska

Siemens Transportation Systems Limited

Tarmac Limited

Viridor Waste Management

Williams Formula 1

Wates Construction Ltd

White Young Green Planning