The Sicuritalia Group, with over 18,500 employees, is the largest Italian company and the second-largest private security player in Europe. Also present in Germany, the Netherlands, and Belgium, they provide physical and logical security services, integrating cutting-edge technologies into their solutions.

Founded in 2005, Sicuro is a British-American group of companies with headquarters located in the UAE. They specialise in location-based & communication solutions, radio communications, GPS and asset tracking, in-vehicle management systems, 24/7 network monitoring and threat assessment services.

Sicurtel was born in 1990 in Chieri (Turin) as installation company of burglar alarms, CCTV and Fire made more than 2500 installations in Italy. Sicurtel is leader in the distribution of CCTV solutions. The company believes in the technology, believes in innovation to this the company also specialize in CCTV over IP, AXIS becoming a premium Partner and Milestone Enterprise and Corporate Certified.

Sideos provide SSI technology as a Service that allows to reuse and transfer credentials with inherent user consent from one wallet to another. Compliant to the W3C DID standard, sideos is truly interoperable with other SSI wallets following that standard. Their solutions are compliant to the recent eIDAS 2.0 regulation and EBSI initiative.

Part of the Oracle Group, Siebel Systems is a renowned IT software solutions company that designs and develops technology and application software solutions

Siedle Security Systems of America LLC manufactures access control products like intercom units, lighting, biometric etc. Siedle also provides service & consultancy. All of Siedle's product has DIN EN ISO 9001 quality certified.

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

Sielox LLC is provider of integrated access control and video surveillance solutions. Formerly a division of Sielox Inc., Sielox LLC was acquired on December 31st, 2010. Prior to ownership by Sielox Inc. the Company was a division of Checkpoint Systems, Inc. Sielox’s access control solutions are available through an established and continually evolving network of authorised business partners.

Siemens is a leading international manufacturer. With over 100 years of history and experience, it is a name, which consumers recognise at a glance from our involvement in many different industries, often as a market leading brand. They have been actively developing and expanding these technologies to the point where we now have a leading range encompassing Access Control, CCTV, Intruder Detection and Fire Safety systems.

The Building Technologies Division is a leading provider of automation technologies and services for commercial, industrial and public buildings and infrastructures across their entire lifecycle. As a technology partner, consultant, service provider, system integrator and product supplier, Building Technologies offers fire safety, security, building automation, heating, ventilation and air conditioning (HVAC) as well as energy management.

Siemens Healthineers is a pioneering medtech company with over 125 years of experience. With strengths in patient twinning, precision therapy, as well as digital, data, and artificial intelligence (AI), are well positioned to take on the biggest challenges in healthcare.

Siemens Mobility combines innovation with responsibility to deliver technologically advanced solutions ensuring journeys are punctual, comfortable and safe. Their technologies and solutions are deployed in commuter/regional trains, rail automation, high speed/intercity trains and railway electrification projects.

Siemens Corporation is a U.S. subsidiary of Siemens AG, a global powerhouse in electronics and electrical engineering, operating in the industry, energy, healthcare, and infrastructure and cities sectors. For more than 160 years, Siemens has built a reputation for leading-edge innovation and the quality of its products, services and solutions.

Siemplify, the independent security orchestration, automation and response (SOAR) provider, is redefining security operations for enterprises and MSSPs worldwide. The Siemplify platform is an intuitive workbench that enables security teams to manage their operations from end to end, respond to cyber threats with speed and precision and get smarter with every analyst interaction.

Sierra Group is a service-focused company specialising in Commercial Construction, Electronic Security, and Facility Services. They operate three independent business units providing unique facility-based trade services to corporate, financial, industrial, municipal, and government institutions.

Sierra provides management consulting, outsourcing and technology services such as eyeLock. Iris recognition from eyeLock provides a range of solutions for identity management. By identifying “In-Motion” and “At-a-Distance”, authentication is similar to that using DNA while removing the false sense of security associated with using RFID cards and PIN numbers.

Sierra Wireless offers a comprehensive portfolio of wireless devices, including 2G, 3G, and 4G embedded modules and gateways which are seamlessly integrated with our secure cloud and connectivity services. They market with the world’s smallest module, embedded software, embedded SIM, interchangeable modules and 4G LTE and LTE-Advanced solutions in the wireless space.

Siete24 offers nationwide coverage and security schemes designed according to the needs of each client and according to the economic sector to which it belongs. Siete24 poses a 24x7 monitoring of all activities and movements in the different branches through CCTV, alarm monitoring, access control, GPS tracking, home automation, inmotic, sensors and biometrics.

Sift is the leader in Digital Trust & Safety, empowering digital disruptors to Fortune 500 companies to unlock new revenue without risk. Sift dynamically prevents fraud and abuse through industry-leading technology and expertise, an unrivaled global data network of 70 billion events per month, and a commitment to long-term customer partnerships.

SigCom is a leading designer and manufacturer of emergency communication and alerting systems. For over twenty years SigCom's fire alarm, emergency communications and personnel alerting systems have been keeping people safe in towns, cities, industrial facilities and military complexes. SigCom designs, manufactures and services a wide variety of products and systems for incident & alarm reporting, mass notification and emergency communications.

With approx. 4, 800 specialists in their team, SIGE Poland (Sii Poland) is the largest technology consulting, digital transformation, BPO and engineering services vendor in Poland. They provide consulting, advisory, IT and engineering services for enterprises.

Sight & Sound provides high quality and reliable security services throughout London, Kent, Essex, East & West Sussex and Hampshire. The company provides manned guarding, key holding & alarm response, remote monitoring services, etc. for factories, offices, retail, schools, construction sites, councils, hospitals and libraries, as well as other industries and businesses. Sight & Sound is a SIA Approved Contractor.