SmarTek Systems builds the tools needed for traffic detection, traffic monitoring and Intelligent Transportation Systems (ITS). The company specializes in video-based and acoustic sensors, the communication interfaces necessary for modern traffic signal managers and the ITS industry leaders. Their products accurately detect vehicles, monitor traffic flow, and provide necessary data collection for traffic managers, planners and response teams.

SNAP Integrations provides professional home & business security systems, camera systems, access control systems, home theater installation, whole home audio and structured wiring services for Charleston, Mt. Pleasant, Kiawah Island, Summerville and surrounding areas in South Carolina’s Lowcountry.

When it comes to designing a functional and effective access control, communication, intercom, visitor or security systems for residential, commercial, and industrial applications, SNT ACCESS is the choice. Whether looking to enhance an existing system or seeking a solution to a problem, SNT ACCESS extensive range of products and design options will help you achieve your access control, communication, visitor management, and security goals.

For over 30 years, Sonitrol has been protecting businesses, schools, and homes with a combination of know-how and the latest technology. Sonitrol offers a full line of security products, all backed by unique audio/video verification technology.

Sonitrol EV is a security based company dealing with cameras and access control, that provides services to schools, retail, healthcare, commercial, financial, construction, government and non-profit organisations. Their solutions include intrusion detection, video monitoring, keyless entry and access, along with fire and smoke detection for commercial, as well as home security applications.

Sound Products, Inc. provides fully personal, full service capabilities including design, installation and customer service. They create customized solutions with sight, sound and security that influence and enhance personal interaction, consumer behavior and economic success. They service all types of A/V, security and communications systems for corporate and public sectors.

Established in 1986 with offices in Ohio and Florida, Southeast Security Corporation offers installation services. Southeast Corporation custom designs systems for all types of commercial, industrial and governmental applications. Southeast Security is licensed in the States of Ohio and Florida for the installation of Fire Alarm Systems and is a member of the American Society for Industrial Security and National Fire Protection Association.

Southland Fire Alarm provides fire alarm engineering services in the South Bay area. The company been involved with fire plans and submittals since 1983 and have specialized in providing plans for the fire alarm industry since the ADA laws came into effect several years ago. Southland Fire Alarm Engineering offers services, such as fire alarm engineering, installation and repair, annual fire alarm inspection, heat and smoke detectors.

Southtec offers the most up to date and convenient ways of updating, repairing and installing PC's, security systems, 24 hour video monitoring, PC based CCTV and computer networking.

Spectrum Home Security works with primary Home Security suppliers across USA to provide you and your family with a wide range of home security solutions. Keep your home protected from intruders with products, such as Doorbell/Outdoor Cameras, Ping Cameras, 24 Hour Video Recording, Smart Locks, Smoke Alarms, and Window Sensors. One can choose products from brands like Vivint, ADT Security Services, and Moni Smart Security.

A part of Stanley Black & Decker, STANLEY Convergent Security Solutions, Inc. is the second largest electronic security company based on total revenue and one of the largest system integrators in the United States. STANLEY CSS designs, installs, monitors and services security systems for industrial, government, commercial, residential and national account customers.

Starr Computer Solutions provides various security services, such as alarm system monitoring, alarm system installation, alarm system installation and camera system installation.

Stay In Sight provides top quality security cameras & installation for an affordable price. The company provides live viewing cameras viewable from anywhere in the world on any laptop, CPU, smartphone or tablet at anytime.

Stone Security was founded in 2005 by law-enforcement and IT professionals with a goal to become the most trusted and sought-after security integrator in the world. That ambitious vision still drives everything we do today.

Strauss Security Solutions was established in 1927 by E.O. Strauss with one simple philosophy in mind.

Streamline Telecom is a trusted NYC-based contractor specializing in commercial security systems, access control, video surveillance and telecom services for businesses across the metro area. From offices to high-rise buildings, we design, install, and maintain integrated systems that keep people, property, and data safe.

Stronghold Lock & Security is a locksmith/security integration company in the New Hampshire region helping businesses and individuals to better protect themselves.

Stronghold Lock & Security LLC helps people, organizations, & small businesses looking for a locksmith in Portsmouth NH and Southern NH who care about their security and struggle with issues of theft or other crimes. Stronghold Lock & Security offers access control, security camera, & lock sales & installations.

Structure Works is a security company with expertise on all “integrated security” solutions. The company provides various services, such as full security integration, fire alarm services, alarm monitoring, CCTV systems, IP video, perimeter protection and wireless video and access.

STS360 is a market leader in integrated security services with a culture of helping customers plan and design projects by understanding their ideas, budgets, and long-term security plans. Servicing markets such as intrusion, monitoring, access control, perimeter detection, video analytics, as well as many others, STS360 has been providing impeccable customer service, security solutions and partners for almost 10 years.

Stylus Audio & Video specialises in meeting the audio, video, lighting and security needs of a diverse clientele. From churches and schools to festivals and events, the company takes pride in successfully completing a wide range of projects.

Sunrize Communications LLC provides various IP related services, such as structured cabling, voice, data, optical fiber and all backbone feeds, building infrastructures for data and call centers, as well as installing video & security systems, IP cameras, wireless networks.

As a globally renowned company in video telematics, SureCam provides businesses of all sizes the visibility they need to operate their company owned vehicles safely and efficiently. SureCam's goal is for managers to be the first to know when critical events occur, by arming them with access to high quality video evidence within seconds, at an affordable price.

Surety Security is Louisiana’s premiere security and alarm company. Surety Security is a full service provider of electronic security detection/deterrence equipment.

Symon Systems is a Honeywell authorized security dealer. The company offers a variety of security, surveillance and access control services for customers across Northern Florida and Southern Georgia.

Synergistics Banking provides bank‑grade access control solutions, including insertion & swipe card readers, ATM vestibule control systems (MSLR1), and NFC‑enabled vestibule access. With over 60 years in the finance security industry and 100,000+ installations worldwide, their cloud‑managed, anti‑skimming, ADA‑compliant systems integrate seamlessly with video surveillance for centralized, compliant protection.

T.L.C. Safe Watch offers monitoring of burglar alarms, outdoor perimeter protection, CCTV and access control burglar alarms, outdoor perimeter protection, CCTV and access control.