California Security Companies

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Professional unarmed security officers serving the Bay Area. Properly licensed, trained, and uniformed on-site security services. Request a free quote today.

All About Security Agency is an elite security agency providing armed and unarmed security guard services available throughout California and other states throughout America.

Looking for reliable security services? Alpha Patrol Security offers licensed armed security guards, defense security services, and loss prevention services tailored to your needs.

San Francisco commercial security since 2010 — licensed guards, mobile patrol & fire watch. PPO 16681, 24/7 dispatch across SoMa, FiDi & Mission Bay.

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Private security patrol services in San Francisco & the Bay Area — rapid-response mobile patrols, surveillance, and tailored protection for businesses & sites.

Barrera Intervention. Has accesible and negotiable prices in the Bay Area, we have well Trained and capable Security we cover all over the Bay Area North and South California, we have Security on bicycle and patrol cars, armed and...

Protecting What Matters MostKeeping Businesses and Communities Safe With Professional Protection MeasuresGet in TouchYour Safety, Our PriorityProfessional, l...

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Trusted security and risk advisory by elite professionals. Explore solutions for high-net-worth families and corporations with unrivaled global coverage.

Who We Are LEARN MORE DW Protective Services provides high-level security services to a variety of Bay Area locations, including schools, healthcare facilities, construction sites, and more.

Execushield armed and unarmed guard services, executive protection, training center, Bsis security guard training, personal security, safety awareness and professional education training, First aid and field trauma training,...

We are a security company with a new vision of what security means, and we understand the demand and turbulence of the world we live in. F&A stands for Feliks & Anatoliy. Together we have over 50 years of combined experience.

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Ensure your property’s safety with expert security services from Guardian Security Agency in Concord, CA. Call (925) 356-3034 for reliable protection today.

top of page ( More Use tab to navigate through the menu items. ! The Leader in Protective Services Security Solutions Customized to Your Needs Guardian Protection Security is your trusted partner for p

We specialize in terrorism prevention strategies and protective services for corporations, private and government organizations and high profile individuals.

( ( Menu Mint Security, Inc. We provide 24/7 distinguished armed and unarmed security officer services in the

( Personal Protective Services Wednesday, July 8, 2026 ! home Banner2 ! home Banner 980 ( Protection for people and premises. (

Top San Francisco Bay Area security guard services providing customizable solutions for asset protection & peace of mind.

Shield Corps Security The Top Veteran Owned Security Company in CA Contact Us for Free Security Assessment or Quote A Leader in Physical Security Solutions Shield Corps Security is a Private Security firm, founded in Silicon...

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VPPSS delivers 24/7 private security in California with trained guards, video surveillance, fire watch & tailored protection for every industry.