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.

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.

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.

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.

Sky High Bull’s-Eye specialise in making ground control points for drone mapping. Their drone mapping equipment is specifically designed for surveyors and drone pilots specialising in UAV aerial survey missions. The drone GCP targets that they produce are made of a matte, vinyl mesh material that is durable and weatherproof, while also being antireflective – perfect for mapping missions in all types of weather environments.

Sky Sapience, founded in 2010, leads the revolution of tethered hovering technology providing unlimited surveillance and communications for the defense and enterprise markets. Their product line includes SHADO, a superior-performance surveillance camera system, the HoverMast series that offers one-of-a-kind aerial solutions for real time intelligence and communication and other high-tech surveillance drones.

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.

Smart Access Ltd is part od the Guardian Security Group and is based in Marsh Barton, Exeter Devon. The company is one of the leading companies for the supply and installation of Modern Salto Access Control, CCTV and Car park Barrier technologies across the UK. Smart Access Ltd covers the Entire South of England including, London, Oxford, Basingstoke, Reading, Salisbury, Bournemouth, Southampton, Gosport, Portsmouth, Swindon and Bath.

Smart Integrated Solutions Ltd provide dynamic support and design / installation for Security / Integrated Facilities Solutions, with substantial experience in a variety of vertical markets and sectors. Further services include consultancy and TFM innovation for Facilities Management Companies. These solutions include CCTV, ANPR, Access Control, Security Systems and Integrated software platforms, to provide centralisation to clients of systems

Smartan Nigeria is a technology based company with specialty in the procurement, installation and maintenance of structural safety and security engineering systems. They provide skilled and innovative solutions for advanced building automation systems for residential, commercial and industrial clients.

Smilart is the world leading facial recognition software provider to customers in any industry, from professional organisations to enterprises, focused on delivering custom tailored solutions to meet every need. The company's in-house developed and patented facial detection and facial recognition platforms are unmatched in speed and accuracy with no third party vendor fees, and with a hardware compatibility that significantly reduces cost.

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.

SOF NET DISTRIBUTION is a manufacturer and distributor of video surveillance, access control, and home automation systems. The company's prouct portfolio inlcludes indoor/outdoor and IP video systems, DVRs, NVRs, and surveillance system accessories as well as detection and alarm systems.

SOFT CODE SECURITY is mainly a security consultant and high-end projects installer company.

Sotatech Limited is a leader in design, development and sales of video security systems and supporting equipment ideal for any industry. The company offers new technologies, products, and services that constantly confirm their position as the security industry’s premier video systems and equipment trade tool.

Space CCTV design quality, cost effective Security Solutions for Homes and Businesses throughout the North West.

Established in 1993 Spectre is a market leading independent provider of electronic security solutions. Typical projects include schools, colleges & leisure sites to large industrial and retail developments locally and nationally. The company's solutions include integrated management systems CCTV access control security grilles electric gates electronic barriers perimeter sences foggers asset tracking personal attack systems.

Spetsnaz Security International Ltd. is a UK company, it is registered with Companies House : 10524908 Spetsnaz Security International Ltd. is an International security company dedicated to providing strategic security solutions to corporate and government agencies around the world at any time.

SpyCameraCCTV.com is the UK's leading online retailer for spy gadgets, security cameras and CCTV equipment. It aims to dispel the myth that CCTV has to be expensive, and teaming that with its free expert technical support it can offer the support customers need. SpyCameraCCTV.com offers a huge range of products with something for everything whether a customer is seeking a security camera for their home, business or a professional CCTV system.

With a presence in over 25 countries globally, Star Defense Logistics & Engineering (SDLE) has extensive experience as an independent distributor of spare parts for military vehicles and equipment. They are also the official supplier of NATO and the United Nations. SDLE is also a global manufacturer and designer of UAVs/Drones. They also specialise in the development and integration of unmanned aerial systems for defense and security.

Stealth Monitoring reduces crime and property damage by integrating the latest security technology and managing onsite surveillance systems from a remote live video monitoring control center.

Stefanton is a security company that deals in the installation of cctv cameras, GPS trackers and other electronic security systems.