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

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

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

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

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

Facilities Management Association
http://www.fmassociation.org.uk

Gas Safe Register
http://www.gassaferegister.co.uk

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

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

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

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