Explore Security Systems & Services in Chesterfield, MO

Praetorian Guard Services provides nationwide security solutions, including armed/unarmed guards, mobile patrols, and executive protection. Founded in 2013, we combine military-grade expertise with cutting-edge technology to deliver reliable, customizable security services. Our veteran-staffed team ensures client safety through real-time monitoring and proactive crime deterrence.

Callisto Communications provides comprehensive telecom, audiovisual, and commercial security solutions for businesses nationwide. Specializing in legacy and next-generation systems, we offer equipment sales, installation, repair, and unified communications services. Our engineering expertise and nationwide reach ensure reliable, customized technology solutions for organizations of all sizes.