The best 10 Security Guard Companies near Los Angeles, California - with verified email and phone number owner contact info

Allied International Security offers 24/7 on‑site guard services across Los Angeles, Bakersfield, and San Bernardino. Their portfolio includes corporate, residential, medical, construction, and event security, with both armed and unarmed officers. Clients note reliable, responsive service and flexible scheduling, while the company emphasizes training, licensing, and insurance compliance for peace of mind.

Guardian Security Group delivers 24/7 on‑site protection, executive escort, event coverage, loss prevention, and technology‑based security solutions. Their team of uniformed, trained guards tailors plans to each client’s needs, ensuring reliable, responsive service. Positive client feedback highlights reliability and flexibility, while a growing roster of high‑profile partners underscores industry trust and reputation.

American Guard Services offers nationwide security solutions, including uniformed officers, maritime operations, mobile patrols, off‑duty police, event security, and crossing guards. The firm is SAFETY Act certified, provides video surveillance, risk management, and facial‑recognition integration, and serves industries such as retail, industrial, residential, and government facilities. It also offers career opportunities and a free quote.

Safety Zone Security offers California‑wide guard services, including unarmed, armed, and vehicle patrol options. With over 60 years of experience, the firm provides 24/7 coverage, instant quotes, and a month‑to‑month contract model. Clients benefit from a 3,000‑personnel pool, state‑wide reach, and transparent pricing, plus a dedicated command center for clients.

Peralta Defense offers a broad portfolio of security services, including armed and unarmed patrols, vehicle and event security, fire‑watch, and investigative work such as TSCM, background checks, and live‑scan. The firm also provides guard‑card and firearms training, and serves commercial, residential, government, and high‑profile clients across the U.S. nationwide.