Security Services go Results Found: 3 Button group with nested dropdown North Star Security & Investigations ... North Star Security & Investigations Inc. 5016 47th Street Yellowknife NT X1A 1M1 (867) 444-2744 Northern Security Services 5016 - 50 Ave Yellowknife NT X1A 2N1 (867) 669-1210 Scarlet Group of Companies 112 - 5109 48th Street Yellowknife NT X1A 1N5 (867) 873-3202