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Pre-Lock Security Commercial Security

24-hour ULC monitoring from 7 Pre-Lock Monitoring Centers In North America 

It's important to understand that most security companies have one monitoring center, and in some cases, it's not based in the Canada. or even managed by an actual security company.  Our ontario station is located locally in Thornhill that provides our customers with local monitoring services. 

With Pre-Lock Security, you get security from seven interconnected command centers that are strategically located throughout North America.  Each command center is backed by powerful equipment and trained professionals, so if one center's connection is interrupted, another center will begin monitoring your businessThis means Pre-Lock Security is prepared for emergencies 24/7!

Don't risk your business safety, choose Pre-Lock Security for "Real Security Under Lock & Key".

Here's what else Pre-Lock security can do for your business.

  • Manual Police Emergency
  • Manual Fire Alarm
  • AC Power Failure
  • Medical Emergency Notification
  • Optional Upgrade: Smoke and Heat Sensors
  • Optional Upgrade: Carbon Monoxide Detector
  • Optional Upgrade: Water Sensors
  • Optional Upgrade: Freeze Sensors

Please check out our ULC Listed Maxsys 4020 Today...

Our sales team is ready to speak with you at (416) 773-5625

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In addition to most major credit cards, we accept purchase orders from. Fortune 100 corporations, educational institutions, and government agencies located in Ontario. All purchase order terms are Net 30 days.
Please fax your purchase order to (416) 633-5852 

Call our GTA Service Area Number (416) 773-5625  (416) 736-8383 Or Toll Free 1-877-773-5625 

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The Pre-Lock®  Name & Pre-Lock® Logo & Better Lock Next Time®  & Pre-Alarm® are Registered Trade Marks of Pre-Lock Security Services Inc.