One of the largest commercial security companies in the Washington Metropolitan Area, SETEC has been designing and integrating technically advanced security systems since 1987. The company’s UL-listed central station monitors thousands of access control, security, life safety, and fire systems for commercial and government clients.

The Security Consulting Alliance LLC (SCA) is a consulting firm catering to corporate security, law enforcement, and the military. The company also offers cybersecurity consulting and covers threat assessments, security policy development, breach prevention, security audits, and employee awareness training.

Security Detection is the largest and most experienced supplier of event security equipment in the United States. The company specialise in the sale and rental of walkthrough metal detectors, handheld security wands and x-ray machines to detect explosives, weapons, and narcotics. Security Detection is the premier supplier and operator of security metal detection equipment and secures large and small venues and events.

Security Group is a modern Danish security company, which works independent of special interests of any kind - political, economic or supplier interests. They provide effective, reliable solutions and create security for their customers, both private, business and government.

Security Information Systems, Inc. (SIS) is a leader in high performance software systems for the security industry. With over 3000 installations world-wide (in over 100 countries), the ALARM CENTER® software series has set the standard for reliability and excellence in central station automation & security management software.

Security Journey offers robust application security education tools to help developers and the entire SDLC team recognise and understand vulnerabilities and threats and proactively mitigate these risks. The knowledge learners acquire in programmes goes beyond helping learners code more securely–it turns everyone in the SDLC into security champions.

Security Mindsets is committed to providing companies with unique insight into the market through the delivery of quantitative analysis, forecasting, and market positioning advice. Additionally, Security Mindsets provide collateral material that can help the client stand out in this market.

Security Radar Integrators is a US-based renowned provider of drones, drone detection technology, thermal analytics, blue force tracking, virtual walls and radars for airports, seaports and industrial applications

Security Roma Management employs highly qualified personnel, including trustees, entertainment and show business supervisors, security guards, operations center operators, and a fleet of vehicles for day and night inspections with patrol cars (service patrols) that allow for prompt and efficient 24-hour interventions and daily problem resolution (emergencies).

The companies of the Security Service Group are present by specific entrepreneurial choice in the main Italian macro-regions, and operate in the sectors of Armed Surveillance, Concierge/Reception Activities and in the Security Technologies sector.

Security.it srl was founded in the 1990s, pioneering a cutting-edge approach to security. The company has entered the market with strength and determination, aiming for increasingly challenging goals. Over the years, the group's owners have invested and implemented innovations, developing national and international expansion through a widespread network capable of serving its clients with the utmost dedication and professionalism.

SecurityBridge is the pioneering provider of a comprehensive, SAP-native cybersecurity platform. Trusted by organisations worldwide to safeguard their most critical business systems. Platform seamlessly integrates real-time threat monitoring, vulnerability management, and compliance capabilities directly into the SAP environment, empowering organisations to protect their data's integrity, confidentiality, and availability.

SecuroTech's Revolutionary new outdoor security system reduces false alerts by more than 95%, saving time and money. Blue-Fox sets a new worldwide standard for external alarms. The first truly effective outdoor alarm has arrived. The system’s patent-pending CPU and dual detectors per zone are able to identify and disregard false alarm activity.

Seen Services is a globally renowned provider of CCTV systems, access control systems, door entry systems, alarm systems, fire alarms, data networks, electrical components and TV & Satellite services. They provide security, electrical and communication systems for residential properties, industrial and commercial spaces.

SEIRIM stands for "Search Engine Intelligence and Risk Management" and was born in 2012 with the vision to ‘win the web’ for themselves and their clients. As a premiere web design agency in Shanghai it is their mission to learn, master and share the complexities of what success online for companies requires both for the China market and globally.

Sekoia.io is a European cybersecurity SaaS company, whose mission is to develop the best protection capabilities against cyber attacks. The company created in France provides modern field-proven technologies, to enable operational cybersecurity teams and service providers to neutralize cyber threats before impact.

Semi Conductor Devices (SCD) develops and manufactures a comprehensive range of cooled and uncooled infrared detectors and laser diodes. The company's advanced concepts and cutting-edge technologies have established it as one of the major sources of IR detectors worldwide.

Send Word Now is the leading worldwide provider of enterprise communications services. Their easy-to-use, web-based and mobile solutions are deployed by businesses, government agencies, universities and non-profit organisations to ensure fast, effective communication when it is needed the most.

The Senko Group is a family of leading companies devoted to serving clients over a range of industries, including CCTV. Advanced Developers Laboratory part of Senko Group is a global supplier of of CCTV lenses.

Senko Group is a family of leading companies serving clients over a range of industries. Senko delivers quality products all over the continent. ADL is a global supplier of CCTV lenses, adhering to Japanese technical expertise & standards of quality.

SenSen Networks Pty Ltd was founded in 2005 within the confines of University of Technology Sydney (UTS). SenSen Networks is focused on developing innovative video centric business intelligence products and solutions that are cost effective, scalable, simple to configure and easy to integrate with third party systems and applications. Using cutting edge, probabilistic data fusion technology.

Senseware is a Vienna, Virginia-based Smart Building Solutions company offering an affordable facility monitoring and controls platform for the commercial and industrial building market. They also offer Smart Building Solutions, Internet of Things, Energy Management, Facility Management, Utility Management, Water Management, Energy Efficiency, Critical Environments, Building Management, Building Automation, and Asset Management Services.

SensoGuard develops and manufactures innovative seismic systems for security. The company's products provide comprehensive protection solutions for a variety of sites such as: power plants, communication sites, agricultural areas, detention facilities, strategic and high security zones, private properties, banks and so on. SensoGuard's sensors are installed worldwide in various applications by 3rd party installers.