(in alphabetical order)

Amber Valley Borough Council
Angus Council
Bassetlaw District Council
Buckinghamshire County Council
Caerphilly County Bourough Council
Canterbury City Council
Cheshire County Council
Chiltern District Council
Congleton Borough Council
Copeland Borough Council
Crawley Borough Council
Cumbria County Council
Derbyshire County Council
Dundee City Council
Durham City Council
Ealing Council
Easington
East Devon District Council
Eastleigh Borough Council
East Lothian
East Riding of Yorkshire Council
Edinburgh City Council
Ellesmere Port & Neston Borough Council
Erewash Borough Council
Essex County Council
Fife Council
Flintshire County Council
Gedling Borough Council
Gwynedd Council
Halton Borough Council
Harrow Council
Havant Borough Council
Hull City Council
Huntingdonshire District Council
Kent County Council
Knowsley Council
London Borough of Haringey
London Borough of Harrow
London Borough of Richmond Upon Thames
North Somerset Council
Peterborough County Council
Preston City Council
Sunderland City Council
Tameside Council
Watford City Council