Air Tindi
Based at Yellowknife, offering charter and scheduled service. The site has a particularly good section describing their aircraft.

Arctic Sunwest Charters
Based at Yellowknife, offering executive charters, mining resupply and support, scheduled crew movement, exploration charters and recreational flights.

Aviation Weather
From Nav Canada's huge site, everything from PIREPs and hi-level reports to weathercams.

Buffalo Airways
Based at Yellowknife, with a diverse fleet ranging from C-185s to C-46s and Cansos, offering freight, passenger, fire supression and other services.

Great Slave Helicopters
Based in Yellowknife, GSH operates almost 40 aircraft from bases across the western Arctic.

Reliance Airways
Based at Fort Smith, offering full bush services with C-180 and C-206s.

Summit Air Charters
Based in Yellowknife, offering executive passenger and cargo air charter services with Dornier 228 (19-passengers), and Short Skyvan (cargo).

Pacific Western Airlines in the NWT
A poster from about 1960, promoting PWA's greatly-expanded northern service.