American FactFinder - US Census
Offers access to demographic, housing, and economic data.
Consumer Expenditure Survey
Average annual expenditures by consumer characteristics (age, income, ethnicity, etc.)
American Customer Satisfaction Index
Satisfaction scores by industry and by company.
Statistical Abstract of the United States
All-in-one source for demographics, industry and economic data, consumer spending, etc.
Global Market Information Database
International socioconomic data, including industry statistics, consumer behavior statistics, and country information.
Includes company and industry reports, country profiles, as well as market data and country statistics.