Shenzhen Vstarcam Technology is a professional network camera manufacturer, having many years’ experience in the surveillance industry R & D, strict quality control processes, professional service for customers to create the perfect video security monitoring overall solution program. Products include video surveillance solutions and security systems.

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.

Shirod Global Resources Nigerian Limited is a supplier of computer accessories, installation of IP, CCTV cameras, fire alarm system, perimeter fencing, installation of access control systems, software development, consultation etc.

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.

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

Sigma - integrated systems (Sigma-IS) was established in 1991. The company deals in development, manufacturing, installation and setting-up of access control and management devices, of integrated systems of guard-alarm and fire-alarm, of scheduling and peripheral equipment remote control, and also of local optical fiber networks.

Sigma Engineered Solutions Ltd is a provider of fire & security systems such as access control, door entry, CCTV, intruder alarms & fire alarms. The company serves both domestic & commercial markets. Sigma Engineered Solutions Ltd installs and provides maintenance of burglar alarms & monitoring, photo ID system, fire alarm system as well as building management system.

Sigma Fire & Security designs, develops, manufactures & distributes a range of specialist fire and security products. Sigma Fire & Security is the latest division of Evac+Chair International. Some of Sigma’s trusted key partners include GfS Germany and Vimpex UK.

Supply, installation, repair and maintenance of CCTV Cameras, PC-based DVR, digital video recorder, mobile Vehicle DVRs, NVRs. They also supply, install, repair and maintain burglar alarms, fire alarms, automatic gates/garage, biometric/face recognition/ access controls.

Simec Security provides access control, CCTV, ID, door entry, alarm and integration services to the commercial sector. The company has over 50 years of experience in the electronic protection of commercial key assets including- personnel, property and data. Simec Security have been awarded SAFEcontractor accreditation through the scheme that assesses health & safety competency of contractors and service providers.

Simpli Security is a UK based online retailer offering a huge range of security products including intruder alarm systems, CCTV cameras, money counters, safes, convex mirrors, traffic mirrors, metal sheds, storage sheds, bike storage, safety mirrors, barriers, car park barriers, bollards, bike racks, crowd/ queue control and much more.

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.

Simply Controlled is a Canadian manufacturers' representative and distribution company in the consumer and custom electronics industry. They specialize in security, automation, audio, electronics and lighting technologies.

The Vistelli Group of Companies was founded by a team of experienced veterans from the video surveillance industry. With an international headquarter in Singapore, Vistelli has a strong in house R&D team that partners leading Universities and Research Institutions in the development of state-of-the-art Video Analytic Technologies.

Sintal Concern can boast as the biggest security corporation in Slovenia. The company’s simple guiding principle: “Your safety is our concern“, fully takes into account the requests and suggestions of our clients. Be it security systems, physical security, fire prevention, bodyguard services, Sintal offers the widest range of security services in Slovenia. Sintal's main principle is providing quality in security.

Sirix offers integrators around the world with remote security solutions like remote video surveillance, perimeter control, and remote control of specialized equipment. It also offers efficient solutions that specifically meet the protection, logistic support, and coordination needs of companies. Sirix also designs custom operational infrastructure for companies that require the centralization of information in real-time.

SIS International SA imports, distributes and offers support for over 16 years in Romania for a wide range of equipment, SCADA systems, DCS distributed systems, instrumentation for industrial automation, safety in hazardous environments, programmable devices, transducers, application development environments in real time and security systems.

Sitensys can provide you with a full security solution for the surveillance and protection of personnel and property. We offer fully integrated electronic systems and manned guarding solutions. At the heart of Sitensys Security is our on site guarding services.Sitensys specialises in manned guarding utilising fully integrated electronic security solutions, closed circuit television surveillance (CCTV) and access control systems.

Sittig Technologies GmbH is a renowned information technology and services company based out of Frankfurt, Germany. They provide security alarms, audio components, hardware and IT services.

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.

Skylinks Technical Services Ltd. is an affiliate within the Skylinks' Group of Companies, operating throughout Sub-Saharan Africa for over a decade. Skylinks is recognised as an industry leader in the provision of Integrated Technology Solutions, contributing to the technological development, efficiency, and security of West Africa.

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.

SkySoft-ATM is a leading-edge ATC solutions provider offering a complete range of products designed for the current and future needs of Air Traffic Control Centres and Towers. The company designs solutions based on innovative technologies, open architectures, COTS platforms, and Open Source software to deliver safe, productive and cost efficient systems.