Southern Fire Alarms Ltd designs, installs, commissions and maintains fire and life safety systems including fire detection and alarms, radio fire alarms, fire telephones, fire suppression systems, voice alarms, emergency lighting, alarms monitoring etc. Based in West Essex, the company accredited to the SSAIB scheme and provides safe evacuation of buildings and their occupents in the event of a fire or emergency situation.

Southern Security Services Ltd is a security systems installer in the UK. The company provides intruder alarms, CCTV systems, access control systems, fire alarm systems and automated gates and doors to health authorities, schools and colleges, and residential installations.

Southland Fire Alarm provides fire alarm engineering services in the South Bay area. The company been involved with fire plans and submittals since 1983 and have specialised in providing plans for the fire alarm industry since the ADA laws came into effect several years ago. Southland Fire Alarm Engineering offers services, such as fire alarm engineering, installation and repair, annual fire alarm inspection, heat and smoke detectors.

Southtec offers the most up to date and convenient ways of updating, repairing and installing PC's, security systems, 24 hour video monitoring, PC based CCTV and computer networking.

Sovereign-SIS was estalished in 2009 bringing together leading operatives in the field of security, intelligence and investigations, in order to provide a truly comprehensive professionl service to meet the needs of customers.

Established in 1991, Sovereign Security Services Ltd. is an accredited CERTIFIED SECURITY AGENCY by the Security Association Singapore and endorsed by the Security Industry Regulatory Department (SIRD), Singapore Police Force. The company renders following services to its clients, Security Guard Service, Trained Guard Dogs with trained handlers, Security Alarm Systems & Planning and Advisory Services and Private Investigations.

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

SPARC Fire & Security was set up in 2013 to primarily design, install and service fire and security systems. The company soon gained a reputation in the field of fire detection and security, for the quality workmanship in diverse applications in industry and commerce. With staff having experience of over 30 years in these disciplines, SPARC Fire & Security’s staff have been involved with the design, installation servicing of fire detection.

SpearTip is a cyber-counterintelligence firm that protects clients against cyber threats through both proactive and reactive services. They help organisations identify their cyber risk and vulnerabilities and ensure full, continuous, end-to-end protection. SpearTip is completely cloud-based and technology agnostic enabling integration with any existing tools and systems.

Special Purpose Electronics Ltd. has the expertise to provide a large range of systems including intruder warning systems with monitoring facilities, access control, door entry systems, closed circuit television (CCTV), security management systems and perimeter fence alarms. The company offers full range of services to both commercial and domestic applications.

Specialist Alarm Services Limited specialises in providing electronic solutions to security and convenience concerns in health care industries around the world. The company has designed, manufactured and installed Nurse Call and Staff Attack Systems at sensible prices for nearly 25 years. Its current customer base includes international and UK private sector clients as well as a host of NHS Trusts and Government Agencies.

Specialized Energy Works Contracting is an engineering & contracting company providing Mechanical, Electrical, and Plumbing (MEP) engineering services and turnkey solutions. Its key service areas include HVAC systems & maintenance, Firefighting & fire safety systems, Electrical distribution and lighting systems, CCTV & video surveillance systems, Access control and security systems, Fire alarms, Building Management Systems & structured cabling.

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.

Founded in 1984, Spectrum Financial Systems is one of the largest and most trusted suppliers of banking equipment and services in the United States. Initially operating solely out of Mooresville, Spectrum grew to have more than 100 employees and is now able to provide security, surveillance, ATM's and teller cash automation to banks and credit unions in North Carolina, South Carolina, Georgia, Virginia, Florida, Alabama and West Virginia.

Weather and environmental sensing, motion detection or GPS tracking, smart city or third party AI solutions. Spectur’s flexible systems can be used for diverse applications across remote monitoring, autonomous thinking and AI.

Spetsnaz Security International Limited provides professional close protection, bodyguard services, executive protection, and tailored security solutions for private clients, corporate clients, VIPs, and high-profile individuals. Established in 2016, the company provides professional CCTV camera installation, rental systems, 24/7 monitoring.

SPG Security Systems designs, supplies and installs access control and perimeter detection systems for a wide range of sectors. The product portfolio of the company includes gates, manual barriers as well as wall and roof brackets for electric fencing.

Spike Systems™ is the industry leader in motorized and passive traffic control devices, both in the United States and around the globe. With nearly three decades of experience, a reputation of excellence, and a steadfast, unwavering dedication to quality, Spike Systems™ has quickly emerged as a worldwide leader in both the motorized and passive traffic control device industries.

Spike-It has been established to offer the most-effective anti-wall climb solutions in Africa. They offer affordable solutions for perimeter security to curb the menace of burglary and intrusion prevalent in South Africa.

Founded in 2015, Spingence is an AI-based defect detection and automation solution that aims to link customers with new technologies and become a driving force in the implementation of smart manufacturing, allowing the beauty of technology to emerge in manufacturing. Spingence creates software tools for smart factories from the control technology (OT) of the ground workstation to the cloud data and information technology (IT).

Spiraltech Pte Ltd is a security system distributor in Singapore. The company specialises in mega-pixels/HD/Ultra 4K/5K network camera solution, hemispheric solution, storage, video management software, network video recording and wireless/3g/4g solution.

Splan is a California-based company that provides next-generation cloud software check-in solutions for Visitors, Events and Schools. Splan uniquely delivers an intelligent and fully automated solution for small to large enterprises. Splan is committed to deliver the most innovative security solutions, which are cost-effective, easy to use, enterprise-centric and web-based.