Sepura offers broadest ranges of TETRA and DMR products, & supplies surveillance accessories. Company acquired Fylde Micro Ltd, the UK-based radio trunking solutions company in 2014, 3T - the Austrian supplier of TETRA infrastructure in 2012 & Portalify, the Helsinki based applications developer, in 2013. Sepura's solutions enable the emergency services and users in the public safety, transport etc. to face critical communications challenges.

Seren Fire & Security Solutions supply, install and maintain fire and security solutions, primarily in the South Wales area, including access control, gate and barrier automation, CCTV systems, intruder alarms, emergency lighting, fire systems, fire extinguishers and safety signage.

Sharman multiCOM Ltd. is focused in sourcing and distributing radio communications products for dealers, distributors, catalogue companies etc. throughout the UK, Ireland, and Mainland Europe. Sharman's product range encompasses a full range of radio communications products suited for the Hobby, Leisure, and Professional user.

SharpEagle Technology caters to a wide range of clientele with operational efficiency through industrial technology & safety solutions. They provide state-of-the-art solutions in the following categories: Explosion Proof Camera Solutions, Explosion Proof Lights, Forklift Camera Systems, Forklift & MHE Safety Lights and Zone 1 & Zone 2 Cameras.

SharpView provides consultancy services and solutions utilising state of the art high technology products for securing sites of critical importance and meeting operational requirements. The founder and creator of SharpView has designed and developed security solutions for the most demanding and challenging applications making SharpView Limited the first choice when you need the ultimate in high tech security.

Shell is a global energy company with around 87,000 employees in more than 70 countries. They work together to power progress through more and cleaner energy solutions. Shell serves more than 30 million customers at almost 46,000 retail service stations every day.

With headquarters in the UK and offices and facilities throughout Europe and North America, Shield is a pioneer in providing advanced solutions for telecom operators, via equipment, services and software. They develop and implement solutions that reduce costs, improve returns, create more efficient processes and ensure the highest standards of environmental care.

SICK - one of the world’s leading producers of sensors and sensor solutions for industrial applications. SICK is a technology and market leader in Factory and Logistics Automation as well as Process Automation.

Silico envisions a world where every decision is simulated, prior to being made in the real world. Silico is the leading provider of process simulation software, working with enterprises from any sector to transform their decision-making in as little as four weeks. The Silico platform is an end-to-end solution that enables businesses to create digital twins of any business or process quickly and easily.

SilverNet is a UK based manufacturing company specialising in the design and manufacture of rugged, high performance cost-effective wireless and switching networking devices since 2005. Over which time SilverNet have gained an enviable reputation in the wireless market.

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 Shutters Ltd specialises in the manufacture UPV/maintenance-free vinyl exterior decorative window shutters, as well as fully operational window shutters in a variety of styles and colours and serves both the trade and retail markets. It offers a range of made to measure, retractable window and door security grilles to meet the needs of home owners and demands of commercial premises alike.

SISYS is a divison of Chubb Systems which is a part of UTC Climate, Controls & Security, a unit of United Technologies Corp. Established in 1981, SISYS is a provider of integrated security management systems to security conscious organizations. SISYS provides solution to site access management, automatic access control, automatic number plate recognition, simple ID pass production etc.

Skyguard provide the UK's premier personal safety service for lone workers and people at risk. The company offers a state of the art UK based 24/7 incident management centre certified to the highest industry standards, along with a range of best of breed personal safety devices.

Smart Witness is the vehicle CCTV and safety systems division of Y3K, a global manufacturer and distributor of professional CCTV Systems. At Smart Witness, we concentrate solely on the design, manufacture and supply of vehicle CCTV and safety systems.

Smarter Technologies tracks, monitors and recovers assets across the globe in real time, providing asset tracking systems to the open market and fulfilling the world’s most complex asset tracking requirements.

SmartSec Solutions was established with a clear and defined vision; to offer the clients an outstanding and unrivalled personalized service. They pride themselves in the quality of the service delivery. With their extensive range of Security Services, coupled with the Reception Concierge and Cleaning Solutions, they believe that at SmartSec they have the right choice of solutions for the business.

SmartTask is an advanced employee scheduling and mobile workforce management solution that enables companies to plan and manage their workers. SmartTask combines intelligent rostering, live monitoring and integrated proof of attendance across both static and mobile teams, making it the ideal tool to improve operational control, enhance customer satisfaction, and support duty of care to staff.

Based in Surrey, SmartWitness is the Vehicle CCTV and Safety Systems division of Y3K, a global manufacturer and distributor of Professional CCTV Systems. The company concentrate solely on the design, manufacture and supply of Vehicle CCTV and Safety Systems. SmartWitness main product, the SmartWitness Vehicle Accident Camera, is the world’s most popular Vehicle Accident and Driving Style camera.