Defence
Canadian Forces
Canadian Forces Experimentation Centre
Defence Management System (VCDS) 

Intelligence and Imagery Sites
Imstrat Corporation
Radarsat International 
Central Intelligence Agency World Fact Book
Canadian Security Intelligence Service
Global Security

Space
Canadian Space Agency
National Aeronautics and Space Administration
European Space Agency 

Renewable Energy:
Canadian Solar Industries Association

Canadian Wind Energy Association

Natural Resources Canada RETScreenÒ