The Roper Center for Public Opinion Research
Roper Center for Public Opinion Research is one of the world's leading archives of social science data, specializing in data from surveys of public opinion.
http://www.ropercenter.uconn.edu/

The Roper Center for Public Opinion Research
Roper Center for Public Opinion Research is one of the world's leading archives of social science data, specializing in data from surveys of public opinion.
http://www.ropercenter.uconn.edu/

The Roper Center for Public Opinion Research
Roper Center for Public Opinion Research is one of the world's leading archives of social science data, specializing in data from surveys of public opinion.
http://www.ropercenter.uconn.edu/

Mexican Association of Marketing and Public Opinion Research Agencies
AMAI Asociación Mexicana de Agencias de Investigacion de Mercado y Opinión Pública :: The most important marketing and public opinion research companies in Mexico are members of AMAI
http://www.amai.org/

NORC--The National Opinion Research Center
National Opinion Research Center, University of Chicago, NORC, norc, CATI, HATI, CASI, CARI, survey, methodology, technology, CAPI, telephone, longitudinal, panel, government, contractor, social, science, research, statistician, statistics, analysis, hybrid dialing, social, national, general, chicago, public, opinion, public opinion, GSS, gss, issp, university, doctorate, nshap, biomarker, study, medicare, interview, sed, call, cdc, nis, NIS, CDC, think tank, international, cohort, nlsy, modelin
http://www.norc.uchicago.edu/

Corporate Research Associates Inc.
Corporate Research Associates provides strategic market intelligence and market research surveys to both Canadian and international markets.
http://www.cra.ca

ADF Marketing and Opinion Research
Helps to define a research problem, develop a questionnaire and select a research methodology. Services also include data collection, processing and reporting.
http://www.adfresearch.com

RKS Research & Consulting
Market research and public opinion polling.
http://www.rksresearch.com/

World Association for Opinion and Marketing Research Professionals (ESOMAR)
ESOMAR endeavours to facilitate the exchange of insights and experiences between providers and users of market research to optimise use of research data into the decision making process.
http://www.esomar.org/

University of Wyoming Survey Research Center
Provides assistance to academics, public agencies, and businesses on research design, data collection, analysis, and interpreting statistics for telephone and mail surveys, opinion polls, and non-survey research.
http://www.uwyo.edu/src/