SSD Systems offers commercial and residential security services. It is one of the largest security companies in North America, serving commercial and residential clients across the continent since 1968. The company's commercial security services include, access control, audio/video, CCTV, fire life safety, line security and systems integration.

SSE Renewables is a major developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally. They are committed to delivering the green energy the world needs now and in the future. Part of the SSE plc group, they have an operational portfolio of around 4GW of onshore wind, offshore wind and hydro generation, with a secured future project pipeline of over 15GW in development

SSH Intelligence's mission is to help clients know everything about building and maintaining their home security systems from wireless alarm kits to biometric door locks.

ST Electronics (Satcom & Sensor Systems) is a wholly owned subsidiary of ST Electronics, a leading manufacturer and supplier of VSAT products and satellite networks solutions, microwave sensors and radar surveillance solutions. Satcom & Sensor Systems delivers quality products for various applications in telecommunication, industrial, enterprise, oil and gas, maritime, financial institutions, homeland security, government and defence markets.

ST Fire & Security offers a full range of professional fire & security services, to accommodate domestic and commercial properties, operating from Manea, March, in Cambridgeshire, United Kingdom.

Standard Security Services Ltd installs intruder Alarms and CCTV systems in the North East of England from the Scottish borders into Durham. Being a member of N.A.C.O.S.S., the company installs all alarms, from domestic household or commercial to the highest standards.

Stanley Black & Decker is a diversified global provider of hand tools, power tools and related accessories, mechanical access and electronic security solutions, healthcare solutions, engineered fastening systems.

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.

A division of Stanley Black & Decker (SWK), STANLEY Security is one of the leading security providers in the United Kingdom and around the world. STANLEY designs, installs, monitors and services security systems for industrial, government, commercial and national account customers. STANLEY's employees have the training, the equipment and the processes they need to deliver the finest security solutions in the industry.

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.

StarDot Technologies has been designing and manufacturing remote imaging and video solutions since 1994. In that time, it has been providing solutions to a wide variety of organisations, including the National Park Service, the FAA, NOAA and NASA. The business sector includes security, tourism, construction, education, government and many other users who need to view, record and export high-resolution video and images.

Starfox Security System is a manufacturer of CCTV, PA & Sound System, and Access Control System with manufacturing centers in Korea, Taiwan, and China. Their products are considered high-end with efficient and accurate technology. Presently they are distributing their products in Middle East, North and South Africa and Asian countries.

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.

STARMAX with Headquarters in Hong Hong kong, is a manufacturer and exporter of security surveillance systems from 2009. The company offers DVRs, NVRs, IP & analogue CCTV camera, access controllers and hidden cameras. STARMAX also offers other products, such as biometric fingerprint attendance machine, power cables, video door phones as well as joystick keyboard controller.

Starnex deals in manufacturing products relating to - IT convergence, wireless communications & image processing. Company's head office is in Seoul, South Korea.

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

START-7 was created in 1991 in Zarechny for the facilities of the Ministry of Defense of the USSR by technical means of protection. The company provides a full range of security systems equipping the facilities. START-7 also offers development of new and modernisation of existing technical security perimeters, data collection and information processing systems, video surveillance, technical means of physical protection; installation, etc.

Established in 1992, State Digital Security Ltd. installs security alarms in the home and security systems for business premises. The company is headquartered in Cranleigh, Surrey and its services cover London, the Home Counties and the South of England.