Agriculture
Agricultural Freight Forwarders

Business & Economy
BuyUSA.gov: worldwide sites
China Business Information Center 

Commerce, Export & Trade
Contact your local Commercial Service Trade Specialists
Department of Commerce
Export.Gov
Gold Key Matching Service
International Company Profile
International Buyer Program
International Partner Search
International Trade Administration
International Trade Administration (ITA) Department of Commerce
ITA s Trade Information Center (TIC)
Middle East and North Africa Business Information Center
Trade Data & Analysis
Trade Information Center Country Database
TradeStats Express
United States Government Departments and Agencies with Export Control Responsibilities
Virtual Trade Mission
Wassenaar Arrangement

Finance & Investment
Department of the Treasury, Office of Foreign Assets Control (OFAC)
U.S. Government International Financing Programs
Patent and Trademark Office, Licensing and Review 

Census & Statistics
Bureau of Census

Customs & Border Control
Bureau of Customs and Border Protection
National Customs Brokers and Forwarders Association of America 

Defense & Security
Defense Technology Security Administration
Department of State, Directorate of Defense Trade Controls (DTC)
U.S. Mission to the OSCE, Vienna, Austria

Energy & Environment
Department of Energy
Environmental Protection Agency, Office of Solid Waste, International and Transportion Branch

Embassies
US Embassies

Health
Food and Drug Administration

International Law
Insurance and Risk Mitigation policies

Transportation
Freight Forwarding Services Directory
FreightGate.com, business directory
FreightNet.com

Other
BISNIS (Russia and Other Newly Independent States)
Drug Enforcement Administration, Office of Diversion Control, Import-Export Unit