Country Commercial Guides - courtesy of the U.S. State Department
The Federation of International Trade Associations - bills itself as "the most comprehensive searchable database of International Trade Web Resources on the Internet! More than 3000 links to International Trade / Import-Export Web sites are annotated and indexed."
Virtual International Business & Economic Sources (VIBES) - "provides over 1,600 links to Internet sources of international business and economic information that are in English and available free of charge."  Courtesy of Jeanie M. Welch, Business Librarian, J. Murrey Atkins Library, UNC Charlotte.
Web Resources for International Economics and Business - "This Website is designed to help the Internet community (students in international economics or business, teachers, and business professionals) with essential informations on international trade, finance, business, law and others." Courtesy of  Dr. Daniel Y. Lee of College of Business at Shippensburg University.
International Business Resources on the Web - similar to Virtual International Business & Economic Sources above, but also includes foreign language sites.  Courtesy of Michigan State University
Business: Subject Research Guide - provides assistance in doing research in a variety of business and management topics including accounting, banking, marketing, international business, finance, organizational behavior, entrepreneurship, industry research, stock exchanges and more.  Courtesy of Rutgers University
The World Bank - "the World Bank is the world's largest source of development assistance, providing nearly $16 billion in loans annually to its client countries. It uses its financial resources, highly trained staff, and extensive knowledge base to help each developing country onto a path of stable, sustainable, and equitable growth in the fight against poverty."
The World Trade Organization (WTO) - headquartered in Geneva, "the World Trade Organization (WTO) is the only global international organization dealing with the rules of trade between nations. At its heart are the WTO agreements, negotiated and signed by the bulk of the world’s trading nations and ratified in their parliaments. The goal is to help producers of goods and services, exporters, and importers conduct their business."
International Monetary Fund - "an international organization of 183 member countries, established to
promote international monetary cooperation, exchange stability, and orderly exchange arrangements; to foster economic growth and high levels of employment; and to provide temporary financial assistance to countries to help ease balance of payments adjustment"