STT Security provides trusted, professional security guard services in Detroit, MI. With over 50 years of experience in Michigan, we protect a wide range of properties including office buildings, hospitals, schools, construction sites, manufacturing facilities, and retail centers. Our trained officers are supported by real-time cloud reporting, GPS-tracked patrols, and direct access to 24/7 local supervision. Every security solution is tailored to meet the unique needs of your site. Contact us today to schedule your free, custom security consultation.