You may be looking for . . .
Canada Council for the Arts, The
Canada Pension Plan & Old Age Security
Canadian Grain Commission
Canadian Forces
Contracts Canada -- How to Do Business with the Federal Government.
Customs/Tariff Information
Employment Insurance Q&A and Information -- Known for years as UIC.
Environment Canada
or their: 
Weather Office
Government of Canada Primary Internet Site in which Internet users around the world can obtain information about Canada, its government and its services.
Or go directly to: 
Federal Organizations listed alphabetically
Or to:  Programs and Services
Human Resources Development Canada
Or their: Sites Across Canada
National Defense
National Job Bank
Natural Resources Canada
Old Age Security & Canada Pension Plan
Privacy Commissioner of Canada
Revenue Canada
Statistics Canada
or their:
Regional Reference Centres
Transport Canada