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our barrie, sudbury & NORTHERN ONTARIO SECURITY SERVICES 

Initially serving the mining, forestry and industrial markets, Defron Security Services has grown to become a leading security agency in Northern Ontario. Headquartered in Barrie Ontario, Defron continues to grow with locations in Wasaga Beach, Owen Sound, Muskoka, North Bay, Orillia,  Greater Sudbury Region, Sault Ste Marie, Timmins, and Thunder Bay.

Our diverse clientele continues to grow and include local regional and provincial government agencies, commercial facilities, retail facilities,  educational campuses and construction sites. We train our guards to prepare them for a multiplicity of environments which include event security, concierge, overnight security, and CPR and First Aid response, front desk operations, and much more. 

Defron Security is a leading quality security firm in the Northern Ontario region and whether you have a facility, event or personal security requirement, we will take the time to consider all aspects of your security requirements and develop a quality security program to address your security needs and budget. 

OUR BARRIE - SUDBURY- NORTHERN ONTARIO CONTACT CENTRE

149 Dunlop Street E, Barrie ,ON, L4M 1B2

T: 1-705-805-6319   Quotes: 1-888-817-6407  

Barrie & Surrounding Regions Email: [email protected]

Thunder Bay Email: [email protected]  

Greater Sudbury, Timmins, Saulte Ste Marie & Northern ON E: [email protected]

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