Governments collect a wealth of business and financial information at the national, international, and individual level. Many are available at the summary and micro-level segments. Of particular interest may be national census, banking, business, and consumer income and expenditure data collections.
Consult the web guide, How to Find Industry Information for database resources that provide overviews and reports of many industries.
Also, consult the web guide, Marketing Research for resources that cover surveys, consumer demographics, and business demographics.