Institution of Lighting Engineers   http://www.ile.org.uk

Society of Light & Lighting.   http://www.sll.org.uk

Lighting Industry Federation  http://www.lif.co.uk/

Association of Streetlighting Conractors (ASLEC) http://www.highwayelectrical.org.uk/

The Institution of Engineering & Technology (IEE)  http://www.theiet.org//

Beama  http://www.beama.org.uk

The Lighting Industry Federation  http://www.lif.co.uk

English Heritage http://www.english-heritage.org.uk

The National Trust  http://www.nationaltrust.org.uk

Public Private Partnerships Programme http://www.4ps.gov.uk

Royal Institute of British Architects  http://www.riba.org

Designs for Lighting Ltd, 17 City Business Centre, Hyde Street, Winchester SO23 7TA