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Gateway Security, LLC. Specializes in conducting TSCM (technical surveillance counter-measures) security assessments. TSCM denotes the process of bug-sweeping or electronic surveillance counter-measure. The purpose of the TSCM service is to search for eavesdropping technological listening devices, hidden cameras, telephone bugging or any technical device that may have been illegally and covertly deployed in a meeting room, office, boardroom, private residence, vehicle or aircraft. At GSC, our TSCM assessments provide a systematic physical and electronic examination of a designated area by properly trained, qualified and equipped technical security specialists to discover electronic surveillance devices. In addition, we offer our TSCM CyberSec+ program which provides enhanced services to our standard TSCM service. With the convergence of Physical, Electronic, and IT security over the last couple of decades, companies require their vendors to have the expertise to integrate a comprehensive security program. CyberSec+ provides security consulting expertise to help organizations of any size assess their current security state, meet information security challenges, design solutions to reach their optimal security posture, and achieve regulatory compliance. CyberSec+ Services: • Vulnerability Assessments • Network Penetration Testing • Wireless, Bluetooth and Cellular Assessments • VoIP/PBX Security Assessments • Application Security Assessments

Gateway Security, LLC Questions

The Gateway Security, LLC annual revenue was $4 million in 2026.

Gateway Security, LLC is based in St. Louis, Missouri.

The NAICS codes for Gateway Security, LLC are [518, 51].

The SIC codes for Gateway Security, LLC are [73, 737].

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