Alpha Security Bureau is a, insured national security company providing 24/7 armed and unarmed guards, emergency fire watch services, mobile patrols, and access control across all major U.S. cities. We serve commercial properties, construction sites, apartment buildings, hospitals, retail stores, and event venues. Our vetted security professionals are trained to respond fast to emergencies, handle incident reporting, and deliver peace of mind to businesses and property managers. If a guard doesn’t meet expectations, we replace them — guaranteed. Emergency same-day security services available in select cities.