Established in 1997, Shenzhen Huiqitong Xing Electronic Co. Ltd specialize in R&D and production of Security Products, including offline or TCP/IP network Access Controller ,RFID Reader and TCP/IP Camera Time Attendance, etc. Shenzhen Huiqitong Xing Electronic Co. Ltd also provides one store service; biometric products, hotel lock, and EM-ID card, mifare card, key tag etc.

Founded in 2002, Kinghome designs, develops, assembles and promotes thermal image systems for civil and industrial security applications, and has been ranked among the top five thermal image security camera manufacturers in China.

Shenzhen Matrix Battery Co., Ltd is a professional valve regulated lead acid battery producer. Shenzhen have more than 10 years experience in producing lead-acid batteries. They have developed to be one of leading manufacturer in Asia.

Shenzhen NEO Electronic is a high-tech enterprise which focuses on the research, design, manufacture, and sales of network digital product. It is one of the earliest professional manufacturers of IP Camera in China. They provide indoor wireless IP cameras, wireless outdoor IP cameras, mini PTZ IP cameras, dome IP cameras and outdoor PTZ IP cameras.

Shenzhen Splendid Ocean Group Company Limited is a high-tech enterprise which specialises in researching , developing , manufacturing and selling CCTV system surveillance products. Till now, Shenzhen's products have been steadily realised digitalised, networked, integrated, industrialised after established, and successfully finish the strategic change from domestic market to international market.

Shirod Global Resources Nigerian Limited is a supplier of computer accessories, installation of IP, CCTV cameras, fire alarm system, perimeter fencing, installation of access control systems, software development, consultation etc.

Based in Huddersfield, UK, Shop4 Security & Electrical Ltd. is a security systems distributor. The company offers a wide range of security products including CCTV, DVR's, burgler alarms, wireless alarms, alarm systems, alarm panels, PIR'S, sensors, lighting, cables, cable management, circuit protection, tools and fixings, workwear, door bells, decking lighting and much more.

Shoreworx Communications provide the full range of IT solutions, services, and products for small to medium sized businesses in Ohio and Pennsylvania. They design and build flexible cabling infrastructures nationwide - structured cabling systems that support multiple voice, data, video, security, POS, data centre and building automation systems.

Sielox LLC headquartered in Runnemede, NJ is a leading developer and manufacturer of integrated access control and video surveillance solutions. Since 1979 Sielox has marketed intuitive access control systems worldwide to the security industry through an established network of authorized business partners. The company serves a variety of markets within commercial, education, financial, manufacturing, industrial, government, and retail markets

Sigma Designs offers the Z-Wave protocol, an interoperable wireless RF-based communications technology designed for control and status reading applications in residential and light commercial environments. Z-Wave delivers reliable wireless networking at a fraction of the cost of other similar technologies, by focusing on narrow bandwidth applications and substituting costly hardware with innovative software solutions.

Sigma Engineered Solutions Ltd is a provider of fire & security systems such as access control, door entry, CCTV, intruder alarms & fire alarms. The company serves both domestic & commercial markets. Sigma Engineered Solutions Ltd installs and provides maintenance of burglar alarms & monitoring, photo ID system, fire alarm system as well as building management system.

Sigma Infocom is the Authorised dealer for Panasonic range of products and based at Coimbatore, Tamilnadu, India. Sigma Infocom has been catering to the needs of various clienteles for over a decade, founded by a visionary Mr. Venkatesh who has an experience of about 12 years in the field of networking and Security products and had been working with BPL Telecom.

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.

Simec Security provides access control, CCTV, ID, door entry, alarm and integration services to the commercial sector. The company has over 50 years of experience in the electronic protection of commercial key assets including- personnel, property and data. Simec Security have been awarded SAFEcontractor accreditation through the scheme that assesses health & safety competency of contractors and service providers.

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.

Sintal Concern can boast as the biggest security corporation in Slovenia. The company’s simple guiding principle: “Your safety is our concern“, fully takes into account the requests and suggestions of our clients. Be it security systems, physical security, fire prevention, bodyguard services, Sintal offers the widest range of security services in Slovenia. Sintal's main principle is providing quality in security.

SIS is the leading system integrator operating in the field of industrial automation. The dominant theme of the solutions presented by SIS is the intelligent system based on a processor, a computer or a network, that supervises the environment in which it operates, and it maintains its parameters within the correct limits, using control algorithms. SIS is also one of the best software developers in Romania.

Sittig Technologies GmbH is a renowned information technology and services company based out of Frankfurt, Germany. They provide security alarms, audio components, hardware and IT services.

SJE-Suntech, Inc is a product development company creating focused on niche platforms and devices for CCTV, telecom, renewable energy and et al. The team at SJE-Suntech boasts more than 30 years experience in CCTV and security and more than 30 years experience in renewable energies. Products and services feature rapidly deployable standalone CCTV to renewable energy integration modules for Telecom.

With superior technological prowess and industry insight, SK Inc. C&C creates sustained customer value and emerge as a Smart ICT company setting global ICT trends. SK Inc. C&C provides total IT/ICT services spanning from consulting and planning to implementation and operation for the success of clients.

Based Split, Croatia, Skener d.o.o. specialises in providing integrated security solutions with today's leading technologies in digital video surveillance, access control, burglary systems and fire detection.