Steatite is a market leader in design, development and supply of rugged and industrial computers, custom lithium battery solutions and secure communication systems for mission critical and harsh operating environments. Steatite provides solutions for Defense and Security, Down-hole Applications, Emergency Services, Oceanographic, Vehicle Embedded Systems, Industrial Automation, CCTV and Security, Tracking and Telemetry.

Steatite Wordsworth, formerly known as Wordsworth and before that, Wordsworth Technology, is one of the UK’s largest providers of industrial rack mount computer systems, networking and I/O products. Established in 1985, Wordsworth has over 25 years’ experience in the design and manufacture of industrial systems.

Stega UK Limited provides managed cyber security services, securing enterprises and businesses against internal and external cyber-attack threats. They work to prevent bad things from happening to organizations, like data breaches and services disruptions, and protect the company's reputation and compliance posture.

Stellar Intelligence offers security, forensics and fraud services for its clients. The company helps clients prevent problems or detect them early through systems and personal security services. Some of its services include systems security, personnel security and background checks, remote monitoring of computer activity and field investigation and specialized inquiries.

STEMMER IMAGING is one of Europe's largest imaging technology provider with head office in Germany. STEMMER's product range includes various lighting technologies, high quality lenses for general purpose, wide range of area scan and line scan cameras, extensive selection of tested analog & digital cables & plug-in connectors for any interface, softwares & large range of accessories such as housings, mounting brackets etc.

Sterling Safety Systems Ltd offers hybrid wire to wireless fire solutions. The Hyfire wireless fire detection and alarm system is the UK’s leading EN54 compliant system and has therefore become the choice of many blue chip companies.

Stewart Intruder Alarms Ltd offers security products like CCTV with solid after sales support in Belfast. The company provides a wide range of security services and equipment in Belfast. Security services include a variety of jobs ranging from personnel services, equipment and devices, along with the planning and deployment necessary to make them effective.

STM Group (UK) Limited is an award-winning company, providing bespoke manpower service solutions. It specialises in the delivery of high-quality security, cleaning, and customer-focused, services, underpinned and supported by leading edge technology.

STM Security Group (UK) Ltd is a UK based security company and an experienced supplier of manned security solutions and customer service staff, fully supported by leading edge technology. STM is a prominent supplier in the provision of security services with a wide range of customers in different industries. The company specializes in manned guarding, control room, mobile response, CCTV, SIA Security Guard training, etc.

Stocksigns Ltd is a supplier of health and safety signs. The company covers signage requirements of fire safety, quarries, water safety, first aid, traffic & highways. The wide services provided by Stocksigns Ltd. extend till MoD signage and local housing associations.

Established in the security sector in 1998, Stone Management Group is a facilities management provider supplying Security, Cleaning and Maintenance services to a range of businesses. An approved SIA contractor, the company has built up a strong reputation in the North West of England for the high level of service they offer their client base.

Stone Security Services operates using a 'ground-up' based approach, as security is not a one size fits all operation. Undertaking a full pre-risk assessment allows both Stone and the client to plan the necessary steps in fulfilling the individual security requirement.

StorMagic is making the complex simple for edge computing environments, and they’re pioneering the industry in bringing the edge to the core - datacentre and cloud. Their storage and security products are simple, lightweight and cost-effective without sacrificing enterprise-class features for organizations with one to thousands of sites.

Stortech Electronics Limited supplies a diverse range of components, including cable assemblies, power adaptors, batteries, connectors, keypads, switches and CCTV cameras. Based in Harlow, the company's products is specially designed to meet individual requirements and/or are industry specific. Stortech have wide-ranging technical knowledge and extensive experience in sourcing products.

Stran Security Systems specialises in supplying and installing security systems for commercial and residential customers throughout Northern Ireland. From fire alarms and burglar alarms to CCTV surveillance and access control, Stran Security provides safety to its customers.

Stratiis is an accredited IT company specializing in the delivery of IT Managed Services across hardware, software and infrastructure.

Stratos is a provider of mobile satellite communications in the UK. The company offers an unrivalled portfolio of global satcom solutions and value-added services. Stratos was set up by the International Maritime Organization (IMO) to enable ships to stay in constant touch with shore or to call for help in an emergency, no matter how far out to sea.

Strings Security Limited is a buyer's guide offering products and services to the Security Industry. The company provide information on companies who provide the products and services its clients need ranging from Access Control Systems to X-Ray Screening and everything inbetween. Based in Europe and Middle East, Strings Security enables quick and easy search for suppliers, products and services for the Security Industry.

StrongBox Security Systesms is an SSAIB accredited, insurance approved company who both supply and install monitored burglar alarm systems connected to a dedicated 24hr monitoring station. The company designs and installs bespoke security systems for both the modern home and business premises. Specializing in intruder alarms, CCTV, access control, active fire systems, gate automation and lock smithing.

StrongGuard Security UK is an accredited, multi-faceted and award-winning national security and risk management provider, specialising in Manned Guarding, Monitoring & Response and Risk Services & Consultancy.

Strongpoint Security Limited is a small security and defense consultancy based in London.

Stroud Alarms Ltd is Gloucestershire’s provider in specialist fire, safety and security solutions for domestic or commercial concerns. The company offers access control, barriers and gates, CCTV, emergency lighting, fire alarms, fire extinguishers, lone worker devices, intruder alarm and monitoring services etc.

The Student Loans Company is a non-profit making Government-owned organization set up in 1989. They provide technology and financial support for people studying at universities and colleges throughout the United Kingdom.

Suilvision is a UK-based company that designs and manufactures advanced Automatic Number Plate Recognition (ANPR) systems — including cameras, access-control systems and management software for vehicle-entry/parking/traffic applications.