Berkshire
    Bracknell Forest District Council
    Reading Borough Council
    Slough Borough Council
    West Berkshire Council
    The Royal Borough Windsor and Maidenhead
    Wokingham Borough Council

Buckinghamshire
    Buckinghamshire County Council
    Milton Keynes City Council
    Aylesbury Vale District Council
    Chiltern District Council
    South Buckinghamshire District Council
    Wycombe District Council

Hampshire
    Hampshire County Council
    Portsmouth City Council
    Southampton City Council
    Basingstoke and Deane District Council
    Eastleigh Borough Council
    Fareham Borough Council
    Gosport Borough Council
    Hart District Council
    Havant Borough Council
    New Forest District Council
    Rushmoor Borough Council
    Test Valley Borough Council
    Winchester City Council

Oxfordshire
    Oxfordshire County Council
    Cherwell District Council
    Oxford City Council
    South Oxfordshire District Council
    Vale of White Horse District Council
    West Oxfordshire District Council

Wiltshire
    West Wiltshire District Council
    Wiltshire County Council
    Swindon Borough Council
    Kennet District Council
    North Wiltshire District Council
    Salisbury District Council