America

CIA（Central Intilligence Angncy）
http://www.cia.gov

International Trade Administration
http://www.ita.doc.gov/

America Business Service
http://www1.usatrade.gov/website/website.nsf

FDA（Food and Drug Administration）
http://www.fda.gov/

America Economy Association
http://www.usaengage.org/

America Chamber
http://www.uschamber.org/default.htm

America Federal Trade Commission
http://www.ftc.gov/

United States Trade And Development Agency
http://www.tda.gov/

United States Commerce Department
http://www.doc.gov/

STAT-USA Internet ( An Agency In The Economics And Statistics Administration)
http://www.stat-usa.com/

Federation of International Trade Associations(FITA)
http://www.fita.org/index.html

Decide With Confidence (D&B)
http://www.dnb.com/

American Memory (The Labrary Of Congress)
http://lcweb2.loc.gov/

Country Studies
http://lcweb2.loc.gov/frd/cs/cshome.html

U.S.Department Of State International Information Programs
http://usinfo.state.gov/usa/infousa/

The International Import-Export Institute(IIEI)
http://www.intlimport-export.com/

Import Administration(IA)
http://ia.ita.doc.gov/

Southern United States Trade Association
http://www.susta.org/

U.S.Census Bureau
http://www.census.gov

Fedworld:A Program Of The United States Department Of Commerce
http://www.fedworld.gov

The USA Trade Center
http://usatc.doc.gov

Trade Infotmation Center
http://tradeinfo.doc.gov

CEEBIC
http://www.mac.doc.gov/eebic/eebic.html

Comference On Export Controls And Policy（BXA）
http://www.bxa.doc.gov

Foreign Agricultural Service
http://www.fas.usda.gov

United States Small Business Administration
http://www.sba.gov

U.S.Business Guides
http://www.business.gov

Australia Itemnet
http://www.csaustralia.org

Market Access And Compliance
http://www.mac.doc.gov

Canada

Tradenet Canada
http://www.tradenet.ca/

Government of Canada
http://canada.gc.ca/

Canada's Business And Cosumer Site
http://strategis.ic.gc.ca/

Export and Import Controls Bureau
http://www.dfait-maeci.gc.ca/~eicb/epd_home.htm

The Canadian Trade Commisioner Service
http://www.infoexport.gc.ca/menu-e.html

Trade Facilitation Office Canada（TFOC）
http://www.tfoc.ca/

The Canadian Association of Importers and Exporte
http://www.importers.ca/