Security go Results Found: 3 Button group with nested dropdown Alliance Security of Northumberland Alliance Security of Northumberland #5 - 20 Strathy Rd. Cobourg Ontario K9A 5J7 (905) 372-0353 K9ine Security K9ine Security 254 Victoria St N Port Hope Ontario L1A3V8 (905) 269-5467 Susan Tan - Senior Protection Susan Tan - Senior Protection (905) 925-4321