Look at http://www.business.gov/topic/Small_Business_Guides to uncover a wide range of information relating to all types of business transactions and US governmental support services available to small businesses.
Looking for specific information on trading in different foreign countries? Explore The Federation of International Trade Associations market research website at http://fita.org/trade_info.html
FITA’s website contains a wealth of preliminary information regarding transacting business in different countries.
Take a look at the Customs and Boarder Protection site, which contains a large amount of information concerning the importation process and policies affecting imports.
One site you might want to take a look at before exporting your goods from the US to a foreign nation is http://www.export.gov/
Explore the site and its information pertaining to Sales and Marketing, Logistics, and Trade Leads.
The site may prove useful in giving a small business owner a basic overview of the process of exporting goods abroad.
Also consider utilizing the U.S. Commercial Service to your company’s advantage. http://trade.gov/cs/