Department of State of US
   
Import-Export Bank of US
   
Studyabroad.com
   
American Councils for International Education
An international not-for-profit organization working to advance education, research, and mutual understanding across the United States and the nations of Eastern Europe, Eurasia, and Southeast Europe    

Global Edge
Information on global trade, including lists of companies and organizations involved internationally     

Council on International Educational Exchange (CIEE)
"Study abroad and work abroad with CIEE. CIEE offers international work programs, study abroad and volunteer projects for students, faculty, graduates and professionals."   

Thomas Global Register Europe
Includes buying information for Switzerland, Sweden, Norway, Austria, Finland, Belgium, Denmark, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, and the United Kingdom     

International Job Resources: From the Riley Guide
Loads of links to just about anywhere.  This is part of the famous Riley Guide, featured below in the "General Occupational Information" section.     

British Council
   
Study Abroad Programs
   
Study Abroad Funding
   
Dev-Zone Development Work Database
   
Directory of Development Organizations
   
International Health Exchange
   
One World Online
   
Relief Web
   
CONCERN/America
   
The ESL Job Center
   
Job Monkey
   
Teach Abroad: International Teaching Positions
   
Transitions Abroad
   
EuroTEFL Teacher Training