For information on a specific company look for the company's website. How they present them selves to consumers and investors is important. You can often find information on the company's philosophy, their approach to being ecological and their labor and international trade strategies. Look for an About Us page, an Investor Relations page or their Annual Reports.
Here are some good websites for business information
Economics Literacy Quiz - Take this quiz from the Council for Economic Education and see how you rate
Business website directory - Compiled by the Library of Congress' Business Reference Service
NY Times Business Navigator - Directory of business links
Not every website is going to have business etiquette for every country. Look at several of these. Also some have more complete information than others.
Remember to use caution when using the Internet for research. Anyone can publish on the www!
Always evaluate a web site for