Building Services Journal
http://www.bsjonline.co.uk

OPUS
http://www.opusdesignfile.co.uk

Legionnella Control Association
http://www.conduct.org.uk/about.htm

Barbour Index
http://www.barbour-index.co.uk

Carbon Trust
http://www.thecarbontrust.org.uk

Building Research Establishment
http://www.bre.co.uk

Centre for Alternative Technology
http://www.cat.org.uk

Health & Safety Executive
http://www.hsedirect.com

National Energy Foundation
http://www.NEF.org.uk

CORGI
http://www.corgi-gas.com