The annual BIG Conference is unique because it is totally focused on business reasearch and marketing issues. The popular Conference has its own site with full details of past and future conferences, how to book etc..
MRS is the world's largest association serving all those with professional equity in provision or use of market, social and opinion research, and in business intelligence, market analysis, customer insight and consultancy.
The Independent Consultants Group - for individuals and companies of up to 3 people, supplying MR
The worldwide society for research professionals - suppliers and buyers
The Association for Qualitative Researchers
The Research Club
The Insight Show
Daily Research News Online
c.6 items of news each day from the world of research - no subscription required, Includes a Diary which lists forthcoming MR events in UK and abroad
Specialist job service, established 1998 and featuring the majority of all advertised UK market research vacancies and many overseas
For US agencies, try the AMA's Blue Book
Pharma Market Research Conference
Alliance of International Market Research Institutes (aimri)