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 K-9 Alarm, Surveillance & Locksmith K-9 Alarm, Surveillance & Locksmith 1100 Ontario Street Cobourg ON K9A3C7 (416) 498-9597 K9ine Security K9ine Security 254 Victoria St N Port Hope Ontario L1A3V8 (905) 269-5467