Shenandoah Valley Security is the premier security company in Virginia and specialises in custom residential and commercial security systems as well as home automation systems, structured wiring (telephone, computer networks, cable television), central vacuum systems and home audio.

Shepherd Communication and Security provides the latest solutions in Electronic and Specialty Security systems. They help in making the right choice when it comes to Intrusion Detection, Video Surveillance, Fire Alarm, Access Control as well as Structured Wiring and Low Voltage Specialty cabling.

Shiver Security Systems, Inc. has provided integrated security solutions, access control, video (CCTV), and fire protection for thousands of customers in southwest Ohio and Northern Kentucky since 1971. Products and services offered include Sonitrol audio verification intrusion detection systems, access control systems, CCTV systems, fire detection systems, and external industrial monitoring functions.

SICK is one of the world’s leading manufacturers of sensors, safety systems and automatic identification products for industrial applications. Whether automating factories or optimizing distribution centers, SICK provides cost-effective solutions.

SigCom is a leading designer and manufacturer of emergency communication and alerting systems. For over twenty years SigCom's fire alarm, emergency communications and personnel alerting systems have been keeping people safe in towns, cities, industrial facilities and military complexes. SigCom designs, manufactures and services a wide variety of products and systems for incident & alarm reporting, mass notification and emergency communications.

SightLogix Inc. manufactures the only intelligent video surveillance system designed specifically for use in the outdoor environment.

Silent Beacon offers emergency alert devices that give the user a sense of security and independence. It offers safety for families in the form of small alert wearables and a free app.

SimpliSafe was designed by founder Chad Laurans, with this principle in mind: Being Safe Should Be Simple. SimpliSafe systems are easy to self-install, wireless, cellular and customisable - meaning they will work anywhere and fit any apartment, house or business. The system enables 24/7 alarm monitoring and can be controlled by smartphone.

SituCon creates Privacy Protecting Technology (PPT) which empowers citizens to have greater control of their own safety and security, without sacrificing privacy. SituCon provides the safety required during threatening situations while guaranteeing privacy at all other times. Situcon believes that safety and privacy are mutually exclusive, it is possible to maximise security while simultaneously protecting an individual's civil liberties.

SJE-Suntech, Inc is a product development company creating focused on niche platforms and devices for CCTV, telecom, renewable energy and et al. The team at SJE-Suntech boasts more than 30 years experience in CCTV and security and more than 30 years experience in renewable energies. Products and services feature rapidly deployable standalone CCTV to renewable energy integration modules for Telecom.

Skynet Security consists of security professionals with over 15 years of industry experience. The company offers security systems for home & business. The expert consultants take time to understand clients' security challenges, determine security needs, & design customised security system to maximise return on investment. Skynet provides services such as video surveillance, alarms & monitoring, cloud based solutions as well as access control.

Smith Thompson Home Security is a privately-owned and operated residential security that offers smart home and home automation solutions. The company specialises in home security systems, alarm monitoring and wireless security, and alarm system installation and repair.

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.

Orlando-based Solis Energy is a privately held manufacturer of outdoor power products including Solar Generators, Battery Backup Systems and Power Conversion components. Solis Energy’s products offer the most reliable, rugged, flexible, and cost-effective outdoor powering solutions available on the market today.

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.

Sonitrol Security Services, Inc. is a locally owned and operated security and loss prevention company securing the Carolinas since 1974. The company specialises in commercial burglary systems, commercial fire systems, commercial access systems, commercial camera Systems, commercial security systems, central station monitoring.

SOS Technologies is a pioneer in advanced life-safety, threat detection, and emergency response innovation. The company’s mission is to help public and private organisations better prevent and respond to crime and violence through cutting-edge technology. SOS partners with governments, healthcare systems, schools and universities, corporations, and other critical institutions to ensure that emergencies are anticipated, identified, and addressed.

Sound Products, Inc. provides fully personal, full service capabilities including design, installation and customer service. They create customised solutions with sight, sound and security that influence and enhance personal interaction, consumer behaviour 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.

Southeast Security Products is a security manufacturer representative in the USA. The company offers audio/video, power & IP connectivity, home automation, video surveillance, access control, intrusion & monitoring, tools & accessories.

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 specialised 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.

Founded in 1984, Spectrum Financial Systems is one of the largest and most trusted suppliers of banking equipment and services in the United States. Initially operating solely out of Mooresville, Spectrum grew to have more than 100 employees and is now able to provide security, surveillance, ATM's and teller cash automation to banks and credit unions in North Carolina, South Carolina, Georgia, Virginia, Florida, Alabama and West Virginia.

SST has consistently pioneered technologies that help public safety and security agencies fight gun violence, delivering instant, precise and detailed data that alerts agencies to gunfire and helps them respond more quickly, more safely and more effectively. Providing constant, 360-degree wide-area acoustic surveillance of complex urban areas ShotSpotter gunfire alert and analysis solutions enhance all aspects of policing related to gunfire.

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.

STANLEY Healthcare is an operating division of Stanley Black & Decker. As a recognised leader in healthcare & senior living markets, STANLEY Healthcare strives to ensure safety & security, improve patient & resident experiences, optimise workflow, increase operational efficiency. STANLEY Healthcare can deliver facility security solutions like access control, biometrics, video surveillance, alarm systems, locks, visitor management systems, etc.

Starlight Digital Media is a full-service residential and commercial custom electronics design and integration company. The company offers advanced commercial control systems and home automation systems. Starlight also offers alarm systems, video surveillance, entry systems, access control, door locks, etc.

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

Statewide Security is the premier provider of Homeland Security Consulting and Design in the Pacific Northwest. Services include outdoor security, access control, and gate automation. Statewide Security servers a number of government agencies, fortune 100 companies, and hundreds of other commercial and residential clients.