Security Guards Companies in San Leandro, California

CME Security Services offers licensed, 24/7 security solutions across the San Francisco Bay Area, including unarmed, armed, mobile patrol, event, fire‑watch, foot patrol, and integrated systems. Their multicultural team emphasizes community engagement, and client reviews highlight professionalism, responsiveness, and reliable protection for commercial, residential, and event settings throughout the region.

All About Security Agency, established in 1996, offers comprehensive security solutions across Northern California, including campus, commercial, corporate, residential, retail, and special‑event protection. Services feature static guards, vehicle patrols, executive protection, permit enforcement, and community security. The firm employs advanced dispatch technology and rigorous incident‑reporting protocols for clients today.

Straight Edge Solutions Agency Inc. offers a range of security services, including uniformed guards, mobile patrols, event security, access control systems, executive protection, and specialized solutions. The firm emphasizes experienced, certified personnel, customized plans, and modern technology to address diverse client needs across various industries, ensuring reliable protection and peace of mind.

Guard Enforcement provides integrated security, co‑working, and tech solutions across the USA and Nigeria. With over a decade of experience, the firm serves 300+ clients using AI‑driven surveillance, IoT access control, and 24/7 monitoring. Led by veteran CEO Segun Ayanbajo, it offers licensed, insured protection and modern workspaces for businesses.

Bravo Security Services offers a range of security solutions, including armed and unarmed guards, personal protection, firewatch, corporate and retail security, and loss prevention. The company holds a private patrol operator license (#120157) and serves major U.S. cities such as Phoenix, Dallas, Los Angeles, and San Francisco, providing reliable, licensed protection for businesses and communities.

American Global Security offers a broad range of guard services—including armed, unarmed, standing, vehicle patrol, and fire‑watch—across California. With over 30 years of experience, the firm provides 24/7 monitoring, real‑time guard tracking, and a free consultation. Client reviews highlight professional, responsive staff and reliable, flexible security solutions for businesses and communities.

ONPATROL, Inc. delivers comprehensive security solutions, including armed and unarmed officers, vehicle patrols, executive protection, event security, and concierge services. Their five‑tier accountability system features electronic guard tours and GPS tracking for real‑time monitoring. The company emphasizes People, Training, Processes, Technology, and Feedback, and serves over 9,000 clients worldwide, ensuring reliable protection.

1st Defense offers uniformed security, event security, and video surveillance services. The company has earned the Best of Oakland Award for Private Patrol Service twice and was named to the 2023 Oakland Business Hall of Fame. Clients note professionalism, efficiency, and reliable service across residential, commercial, and event settings for businesses and homeowners.

ABC Security Service offers armed and unarmed guard deployment, access control, maritime protection, and construction site security. With over 50 years of experience, the firm serves public and private entities, including airports, government facilities, hospitals, and retail venues. Their Ten‑To‑Win program emphasizes guard professionalism and client satisfaction, ensuring reliable, responsive service.

All Nation Security Services offers 24/7 patrol, event, and private‑property security across California, Nevada, Florida, and Texas. With over 20 years of experience, the company provides licensed, bonded officers, real‑time monitoring, and a mobile app for timekeeping and incident reporting. Client reviews average 4.4 stars, noting professionalism and reliability.

Alpha Patrol Security offers a range of services, including armed and unarmed guards, employee‑termination security, event protection, patrols, video surveillance, and fire‑watch. The company emphasizes trained personnel, off‑duty police partnerships, and community‑focused employment. Clients can request a free quote and apply for positions through the site today.

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.