Construction and Engineering
Construction Industry Council - http://www.cic.org.uk/
Construction Industry Research and Information Association - http://www.ciria.org.uk/
Engineering Construction industry Training Board - http://www.ecitb.org.uk/
Are you looking for a job?
Fish4Jobs - www.fish4jobs.co.uk
Monster Jobs - www.monster.co.uk
Jobsite - www.jobsite.co.uk
Total Jobs - www.totaljobs.co.uk
Guardian Jobs - www.jobs.guardian.co.uk
Job Serve - www.jobserve.co.uk
Top Jobs - www.topjobs.co.uk
Charities
Charity Commission - http://www.charity-commission.gov.uk/
Charities Direct - http://www.charitiesdirect.com/
Charity Choice - http://www.charitychoice.co.uk/
Charities Aid Foundation - http://www.cafonline.org/
Charity Net - http://www.charitynet.org/
Catering
Catering UK - http://www.catering-uk.co.uk/
HCIMA-Hospitality, leisure and tourism management professionals - http://www.hcima.org.uk/content/index.cfm
The Catering Equipment Suppliers Association - http://www.cesa.org.uk/
British Hospitality Association - http://www.bha-online.org.uk/
The Hospitality Training Foundation - http://www.htf.org.uk/
Education
The Association of Teachers and Lecturers - http://www.atl.org.uk/
Association of University Teachers - http://www.aut.org.uk/
Department for Education and Skills - http://www.dfes.gov.uk/
General Teaching Council for England - http://www.gtce.org.uk/
The Education Network - http://www.ten.info/
IT and Technology
Intellect - http://www.intellectuk.org/
Medical and Pharmaceutical
The Association of British Pharmaceutical Industry - http://www.abpi.org.uk/
NHS - http://www.nhs.uk/
Department of Health - http://www.dh.gov.uk/Home/fs/en
Office of Health Economics - http://www.ohe.org/
Royal College of Physicians - http://www.rcplondon.ac.uk/
British Medical Association - http://www.bma.org.uk/ap.nsf/content/splashpage
Sport and Leisure
Department of Culture, Media and Sport - http://www.culture.gov.uk/
London 2012 - http://www.london2012.org/en
Sport England - http://www.sportengland.org/
Institute of Leisure and Amenity Management - http://www.ilam.co.uk/
Institute of Sport and Recreation Management - http://www.isrm.co.uk/
Transport
Department of Transport - http://www.dft.gov.uk/
The Freight Transport Association - http://www.fta.co.uk/about/index.htm
The Community Transport Association - http://www.communitytransport.com/
The British Air Transport Association - http://www.bata.uk.com/
The Road Haulage Association - http://www.rha.net/index.shtml
Travel and Tourism
Institute of Travel and Tourism - http://www.itt.co.uk/
Visit Britain - http://www.visitbritain.org/
Tourism Management Institute - http://www.tmi.org.uk/