Useful Links

U.S. Embassy & Consulates in Canada​
https://ca.usembassy.gov/

U.S. Citizen Services
https://ca.usembassy.gov/u-s-citizen-services/

U.S. Citizenship Laws & Policy
https://travel.state.gov/content/travel/en/legal-considerations/us-citizenship-laws-policies.html  

Canadian Government Portal
http://canada.gc.ca
 
Foreign Affairs & International Trade Canada
www.dfait-maeci.gc.ca
 
Statistics Canada
www.statcan.ca
 
Industry Canada
www.ic.gc.ca
 
U.S. Census Bureau
http://www.census.gov/govs/www

U.S. Government Portal
http://www.usa.gov

The U.S. Commercial Service
US government site detailing services for U.S. companies in Canada
http://www.buyusa.gov/canada

Connect2Canada.com
Canada's Information Network in the United States
http://www.connect2canada.com