Not a large site, but this bulletin board does provide resources for contacting businesses in other countries to promote trade and commerce. Global Information Network Web directory to sites about international trade and business. Good starting point for those just beginning their international trade program. Resources are wide but not very deep. Online Useful articles arranged by country and also by industry.
Some content requires payment.
Though mostly for a US audience, TradePort does offer a fairly wide variety of articles and links related in international trade. Online Resources Simple link index to trade-related sites around the world. From Washington State Community, Trade and Economic Development.