Security Systems/Services
Hours:
M-F: 7am-5pm
Driving Directions:
1535 Brandy Parkway, Streamwood, IL 60107
Founded in 1969 by Sheriff A.B. Clark, DSI Security Services has grown from a small family business into one of the nation’s leading security providers. Still family-owned and run by the Clark family, DSI is guided by its founding motto — DWYSYWD: Do What You Say You Will Do — a principle that reflects its culture of service excellence. DSI offers a comprehensive range of security solutions, including armed and unarmed personnel, consulting services, executive protection, and threat assessment and monitoring programs, designed to help clients manage today’s complex risks. Its Technology Solutions division enhances safety with advanced offerings, including access control systems, AI-driven remote video monitoring, robotics, weapons-detection systems, mobile security trailers, and a 24/7 National Security Operations Center. As a WBENC-certified (Women’s Business Enterprise National Council) company, DSI has entered its sixth decade as a trusted partner for clients across various industries nationwide. For more information, visit www.dsisecurity.com.
