best security guard service in Newark

Some of the best security guard services in Newark include: 1. Allied Universal - Known for comprehensive security solutions and a large presence. 2. Securitas - Offers customized security services and has a strong reputation. 3. G4S - Provides a wide range of security services and has a global reach. 4. Brinks - Specializes in secure transportation and cash management. 5. ProGuard Security - A local option with a…