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Browse the Top 157 Security Systems & Service Providers in Ontario, ON

See what 157 security providers serving Ontario, ON, including Toronto, Mississauga and Etobicoke, offer for planned installations and ongoing protection. Read customer feedback, explore business profiles and contact providers that match your security requirements.
Aurora (1)
Barrie (3)
Beaverton (1)
Belleville (1)
Bradford West Gwillimbury (1)
Brampton (4)
Brockville (2)
Burlington (2)
Cambridge (1)
Cobourg (2)
Collingwood (1)
Concord (4)
Cornwall (1)
Elizabethtown (1)
Erin (1)
Etobicoke (7)
Georgetown (1)
Gloucester (2)
Hamilton (6)
Huntsville (1)
Kanata (2)
Keewatin (1)
Kingston (5)
Kitchener (1)
Leamington (1)
Lindsay (1)
London (4)
Markham (5)
Midland (1)
Milton (1)
Mississauga (14)
Navan (1)
Nepean (4)
Niagara Falls (3)
North York (7)
Oakville (1)
Orangeville (1)
Oshawa (2)
Ottawa (5)
Pickering (1)
Richmond Hill (4)
Saint Catharines (4)
Sarnia (1)
Scarborough (4)
Stoney Creek (1)
Sudbury (2)
Thornhill (4)
Thunder Bay (2)
Timmins (1)
Toronto (17)
Walkerton (1)
Waterloo (3)
Welland (1)
Wellandport (1)
Windsor (3)
Woodbridge (2)
Woodstock (1)
York (1)
Hy-Tec Security
48 Years
Emergency
Not rated yet
Hy-Tec Security
48 Years
Emergency
Not rated yet
We offer 44+ years of experience in customized security solutions.
Hy-Tec Security offers tailored security systems, 24/7 monitoring, and alarm response services since 1978. Protect your home or business with locally-rooted expertise and personalized service.
Security Systems Camera Systems Alarm Response
(705) 426-2000 Call Profile
Not rated yet
Safety and Security Solutions
22 Years
Not rated yet
We have over 20 years of combined experience in security solutions.
Safety and Security Solutions offers advanced security systems, surveillance cameras, access control, and smart monitoring for residential and commercial properties across the Greater Toronto Area.
Access Control Smart Monitoring HD/IP Security Cameras
(416) 940-0624 Call Profile
Not rated yet
Alliance Security Niagara
41 Years
Emergency
Not rated yet
We offer over 35 years of local security expertise in Niagara Region
Protect your home or business with Alliance Security Niagara's 24/7 alarm monitoring, HD security cameras, and access control systems. Serving Southern Ontario since 1985 with reliable, cutting-edge security solutions.
Alarm Systems Security Cameras Access Control
(905) 688-3223 Call Profile
Not rated yet
ADGA
Not rated yet
We deliver mission-critical security solutions with 50+ years of defense sector expertise
ADGA provides advanced security solutions for defense, cybersecurity, and simulation training across Canada. With ISO certifications and 50+ years of expertise, we strengthen national security through innovative systems engineering and program management.
Cybersecurity Solutions Simulation & Readiness Program Management
(613) 237-3022 Call Profile
Not rated yet
Alarmstat Fire&Security System
40 Years
Emergency
Not rated yet
35 years of specialized fire protection experience since 1986
Trusted fire protection solutions in Thornhill since 1986. Alarmstat Fire&Security System offers installation, maintenance, and inspection of fire alarm systems, sprinklers, and life safety equipment for commercial and industrial properties.
Fire Alarm Services Sprinkler Systems Monitoring Services
(905) 886-0882 Call Profile
Not rated yet
Target Fire Prevention
Not rated yet
We have over 30 years of experience in fire prevention and mechanical services.
Trusted fire prevention and mechanical services in Midland. 30+ years of expertise in fire alarms, sprinkler systems, restaurant fire suppression, and commercial ventilation solutions.
Fire Alarms Sprinkler Systems Restaurant Fire Systems
(705) 526-6099 Call Profile
Not rated yet
360 Advanced Security
26 Years
Emergency
Not rated yet
We offer 24/7 fully certified support and service teams.
360 Advanced Security offers integrated electronic security systems, 24/7 monitoring, and tailored solutions for commercial, institutional, and government clients across Canada.
Access Control Surveillance Emergency Communications
(613) 244-2882 Call Profile
Not rated yet
Alliance Security
50+ Years
Emergency
Not rated yet
We offer 55+ years of experience in Canadian security solutions.
Alliance Security provides residential and commercial security systems, fire detection, and 24/7 monitoring services across Ontario. With 55+ years of experience, we offer tailored solutions for homes and businesses.
Home Security Fire Detection Access Control
(519) 740-7909 Call Profile
Not rated yet
Mississauga Fire Protection
24 Years
Emergency
Not rated yet
We have 20+ years of fire protection experience serving GTA businesses
Mississauga Fire Protection offers fire extinguisher services, emergency lighting installation, and fire safety training in Mississauga and GTA. Certified technicians ensure compliance with safety codes through inspections and maintenance.
Fire Extinguisher Inspection Fire Extinguisher Recharging Emergency Lighting Services
(905) 301-1987 Call Profile
Not rated yet
Elite Fire Protection
23 Years
Not rated yet
We offer factory-certified technical expertise from brands like Mircom and Siemens.
Trusted fire protection services in Ontario since 2003. Elite Fire Protection offers fire alarm systems, sprinkler installations, extinguisher inspections, and fire safety plans. Serving Barrie, Toronto, and Oshawa.
Fire Alarm Systems Sprinkler Installations Extinguisher Maintenance
(416) 505-2456 Call Profile