AC Nielsen
AC Nielsen
http://www.acnielsen.com/
Claritas
Marketing research, marketing software, target market research. claritas the world leader in marketing research, marketing software, demographics, market segmentation, population, site selection, site location, b2b marketing research, and marketing software. claritas demographics, us population statistics, market segmentation, consumer segments, marketing software tools, and target market research helps companies make smart business decisions.
http://www.claritas.com/claritas/default.jsp
Effectory
Effectory
http://www.effectory.be/
Interview NSS
Interview NSS
http://www.interview-nss.com/