Granco Security

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Security Services


Do you need marked security vehicles to have a visible presence? You have come to the right place. At Granco Security in Detroit, Michigan, we are passionate about security and we take pride in offering quality service!

Security Patrols Services

Visible, marked security vehicles serve as an effective deterrent against many types of crimes and general disorder. Our marked vehicles are equipped with our friendly guards, latest technology, and some of the newest gear available. Both armed, and unarmed patrol services are available.

Specific Patrol Services We Provide

Large or Small, our team of guards have you covered. We offer the following specific forms and types of patrol services to help you achieve your security goals:

• Foot Patrols
• Automobile Patrols

  • Bike Patrols

• Marked, Uniformed Patrols
• Unmarked, Undercover Patrols


Foot Patrols

Security guards on foot have the abilities to detect some of the most overlooked details and often missed signs of unwanted activities. They serve as an effective deterrent and approachable deliverer of information.

Automobile PATROLS

Our marked security vehicles serve as an effective deterrent.

Security Patrol Detroit Michigan

Bicycle Patrols

We offer bike patrols to help supplement vehicle patrols in needed aeras

Who We Serve

Patrol Services in Michigan Are Available For:

  • Parking Lots
  • Factory & Manufacturing Plants
  • New and Used Car Lots
  • Commercial Motor Pools
  • Rail Yards
  • Airports & Aviation
  • Malls & Retail
  • Apartment Complexes
  • Hotels
  • Corporate Headquarters
  • Small Businesses
  • Construction Sites
  • Gated Communities
  • Private Residences
  • Churches & Houses Of Worship
  • Special Event Security
  • Parks
  • And More!