UK Government (Defra, DfT)
Scottish Government
States of Jersey
Highways Agency
Welsh Development Agency
Transport for London
Greater London Authority
National Roads Authority, Ireland
Local Authorities (Numerous)
Bournemouth Airport
Cardiff Airport
City of London Airport
Coventry Airport
Doncaster Sheffield Airport
Durham Tees Valley Airport
Liverpool Airport
Tesco
Asda
Lidl UK
Ikea
Anglo Holt Construction
Argent
Barion Homes
Cabot Homes
Clearview Homes
Countrywide Homes
Crest Nicholson
David Wilson Estates
Duchy of Cornwall
Explore Living
Hallam Land Management
Martin Grant Homes
McInerney Homes
Miller Homes
Morris Homes
Network Housing Group
Nutall Construction
Persimmon Homes
Robert Hitchins
Rugby Estates
Taylor Wimpey
Westbury Homes
Wilson Bowden
Centro
Associated British Ports
Aggregate Industries
Rugeley Power
Thames Waste Management
Viridor Waste Management
Western Power