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Find the 2 Best Security Companies in Livermore, CA

Browse 2 security companies serving Livermore, CA, from residential security specialists to firms handling commercial protection. Review their services and customer feedback, then contact suitable providers for security details and estimates.
Trojan Systems
42 Years
Emergency
Not rated yet
Trojan Systems
42 Years
Emergency
Not rated yet
Trojan Systems, Inc. specializes in security, fire, and automation systems for homes and businesses. With over 40 years of experience, we provide UL-certified design, installation, and 24/7 monitoring services tailored to Bay Area clients. Our focus on innovation, code compliance, and customer-centric solutions ensures reliable protection and peace of mind.
Burglar Alarm Systems Fire Alarm Systems CCTV Camera Systems
Professional and went above and beyond Great service Highly recommend
(800) 434-2527 Call Profile
All-Guard
50+ Years
Emergency
Not rated yet
All-Guard
50+ Years
Emergency
Not rated yet
All-Guard is a Northern California-based security provider offering customized residential and commercial security systems, fire and life safety solutions, and access control technologies. With 70+ years of experience since 1952, we deliver advanced security through AI-powered cameras, 24/7 monitoring, and integration with building management systems. Our focus on community-driven service supports over 15,000 customers, including Fortune 500 companies and local families.
Commercial Security System Fire Alarm Inspection Video Surveillance
24/7 monitoring Knowledgeable technicians Prompt service
(800) 255-4273 Call Profile
San Jose (24.6 mi) Concord (25.0 mi) Pleasanton (6.0 mi) Dublin (9.3 mi) Fremont (15.2 mi) Union City (16.3 mi) Hayward (17.1 mi) Brentwood (17.7 mi) Milpitas (18.7 mi) Oakley (22.0 mi)