American Demographics  - Full text archive of all American Demographics article. (Subscription required.)

California Centers for International Trade Development (CITD) - Tools you need for international business expansion including trade information, directories, resources, programs and services, and start-up kits.

Census Bureau  - Detailed local census data by state, county, city, village, township, census tract, zip code and congressional district.

Consumer Expenditure Survey  - Detailed information about spending habits of American households.

Google  - Excellent search engine.

Market Segment Specialization Program (MSSP)  - Common and unique industry trends, business practices, industry terminology for various industries.

Reference USA  - Useful information on over 12 million U.S. companies.

SBDCNET  - Services include a database of forms, documents, SBDC locations, brochures and promotional materials, secondary market research data, demographic information, business plans, market research, financial ratio information and much more.

Statistical Abstract of the U.S.  - Collection of statistics on social and economic conditions in the U.S.

Wisconsin Economic Development Corporation - Exporting  - Extensive information regarding exporting.

Wisconsin Innovation Service Center (WISC)  - Serves innovators around the world with market research and new product assessment services.