This map illustrates the CNSC locations across Canada. Headquarters in Ottawa. 5 site offices at power reactors. 1 site office at Chalk River. 4 regional offices. Fiscal year 2010-11. Staff ~850. Resources: $136 milion. Licensees: 2500. Licences: 3300. 22 Nuclear Power Reactors. 10 Research Reactors. 3 Uranium mines supplying 18% of world's supply. 25+ Legacy waste sites, including Port Hope. Export and Import Controls, International Safeguards and Nuclear Non-proliferation.