Security Guards Companies in Windsor, California

Defense Block Security offers a broad range of security solutions, including armed guards, church and synagogue protection, emergency response training, event control, executive and personal security, fire watch, government support, LiveScan fingerprinting, parking control, school campus security, and secure transportation. Established in 2010, the firm emphasizes professional, reliable, and tailored services for clients today.

Capstone Security offers private security officers, emergency response, and front‑desk personnel across Northern California. Their services include investigations, risk assessments, and security consulting. The firm emphasizes integrity, empathy, humility, accountability, and leadership, and provides a free pricing tool. A blog and career page round out the site for clients today.

American Veteran Security offers private security services across Sonoma County, covering residential, commercial, government, winery, school, event, clinic, bodyguard, and fire‑watch needs. The firm is led by veteran founder Mike Arieta, whose 13‑year Army/Marine background and military police experience shape a disciplined, licensed guard team.

Armorous Security offers private security solutions across Northern California, including armed and unarmed guards, vehicle patrols, emergency response, and crime deterrent systems. The firm serves commercial, residential, construction, cannabis, medical, and hospitality sectors, covering Napa, Sonoma, San Francisco Bay Area, Alameda, Marin, Sacramento, Mendocino, and Lake counties. It received the 2024 BEST OF Gold award.

Armorous Security offers private security solutions across Northern California, including armed and unarmed guards, vehicle patrols, emergency response, and crime deterrent systems. The firm serves commercial, residential, construction, cannabis, medical, and hospitality sectors, covering Napa, Sonoma, San Francisco Bay Area, Alameda, Marin, Sacramento, Mendocino, and Lake counties. It received the 2024 BEST OF Gold award.

First Defense Protection Services offers a range of security solutions, including patrol, lockup, tenant lockout, alarm and incident response, documentation, foot patrols, welfare checks, and proactive/reactive security checks. The company emphasizes prevention, adaptive patrol scheduling, and up‑to‑date equipment to address evolving criminal tactics for clients seeking reliable protection.

JMA Security Services offers licensed guard, mobile patrol, event, and fire‑watch security across Sonoma County. Established in 2012, the firm serves commercial, construction, healthcare, government, school, and winery sectors. Clients praise its professionalism, responsiveness, and detailed reporting, noting reliable service and strong partnership for property protection and safety.

SOCO Private Security offers a range of services including fixed‑site, vehicle patrol, special‑event, executive protection, bike patrol, civil standby, asset protection, fire watch, parking enforcement, loss prevention, and prisoner transport. The firm emphasizes technology use, such as SmartPatrol vehicles and body‑cams, and maintains community‑focused partnerships with local organizations and industry associations.

High Rock Security offers event and facilities security across the Western U.S., serving venues from small campuses to large festivals. Their services include access control, patrols, investigations, surveillance, traffic management, training, fire watch, and emergency response. The firm emphasizes compassionate interaction, intelligence‑driven planning, and cross‑trained expertise for clients today.

Mendoza Private Security offers a range of services, including armed and unarmed guard patrols, mobile patrols, event security, executive protection, and secure transport. The company emphasizes clear communication, flexible coverage, and a local team with experience. Clients can request a quote online and access resources such as training and a client portal.

Praetorian USA offers 24/7 security guard services, including armed and unarmed patrols, event protection, and specialized response teams. Their team is trained in first aid, CPR, and emergency response, and they provide flexible staffing for businesses, schools, and residential properties. Clients can request a quote online or by phone today.

Safari Security Services offers 40+ years of experience, employing over 300 trained guards across California. Their portfolio includes mobile patrols, CCTV monitoring, event security, construction site protection, and concierge services. Clients praise the company for reliable, responsive, and technology‑driven solutions that enhance safety for residential, commercial, and industrial properties today.