Research Organizations:
American Marketing Association (AMA)
Puget Sound Research Forum (PSRF)
Qualitative Research Consultants Association, Inc. (QRCA)
Marketing Research Association (MRA)
Professional Market Research Society (PMRS)
Council for Marketing Research Organization (CMOR)
Council of American Survey Research (CASRO)
The Advertsing Research Foundation
American Association for Public Opinion Research
ESOMAR: The World Association of Research Professionals

Market Research Sites of Interest:
The Moderator.net
International Market Research Information
Quirks Marketing Research Review
MRWeb
Researchinfo.com (free marketing research resources)