STS Security

STS Security Inc. is a Des Plaines-based security services company specializing in physical security assessments, uniformed patrol operations, and crisis management for commercial real estate, residential communities, and hospitality venues across the Chicagoland area. With 25+ years of experience, STS operates in the sector of the security market that electronic security companies — focused on cameras, access control, and alarm systems — typically do not serve: the human security layer where trained uniformed officers, roving patrols, and crisis management capabilities provide the visible deterrence and physical response that electronic systems alone cannot.

STS's service model centers on tailored security programs rather than templated patrol routes and generic officer deployment. Physical security assessments identify specific vulnerabilities, patrol patterns, and staffing requirements for each client's property and operational context. Roving patrols cover the exterior and interior perimeter presence that deters crime and provides rapid response capability when incidents occur. Crisis management programs give commercial real estate and hospitality operators the trained respons