American University Security, Los Angeles, California-based security guard company. With a team of highly trained and experienced security professionals, they provide top-rated security services to clients in various industries, including retail, residential, commercial, and entertainment. Their services include armed and unarmed guards, patrol services, access control, CCTV monitoring, and more. They are committed to delivering exceptional customer service and ensuring the safety and security of their clients and their properties. American Universal Security is recognized as one of the best security guard companies in Los Angeles.