R-S-A are the initials of the three pioneering MIT mathematicians who defined ‘innovation’ long before innovation was a buzzword. These visionaries invented the RSA cryptosystem, laying the foundation for all secure data communications that followed.

RSPNDR strives to make the security industry convenient, accessible, transparent, and data-driven. By partnering with local guard companies to form a nationwide marketplace of licensed guards, RSPNDR is able to provide unbeatable response times, all while enabling real-time visibility and insight into every response.

RT LTA Systems Ltd. is a designer, developer and manufacturer of the SkyStar family of aerostats for use in intelligence, surveillance, reconnaissance and communications applications. SkyStar systems are operationally deployed worldwide, supporting military and security users in five continents, force protection, border security, coastal and offshore platform security, strategic site protection, anti-smuggling surveillance and many more.

RTR Services are an industry leading independent retailer of specialist access control products and services. They offer products from brands such as Larco, BEA, Optex, Reglomat and Conlan, as well as offering their own range of stainless bollards and barriers. RTR Services are a member of the Automatic Door Suppliers Association (ADSA).

Rubrik delivers instant application availability for recovery, search, cloud, and development. Hybrid Cloud enterprises benefit from Rubrik’s Cloud Data Management platform with simplicity, instant data access, app-mobility, policy-driven automation, Ransomware protection, and analytics at scale.

Ruijie Networks is one of the world's leading network solution suppliers. It focuses on customer benefits and strives to improve the network application experience of our customers through continuous technological innovation. Ruijie Networks provides end-to-end network solutions for telecom carriers, financial services, government agencies, education, and enterprises to create value for customer networks.

Rukey Solutions is a London-based systems integrator. The company provides security products and services such as access control, burglar alarms, CCTV, door entry systems, fire alarms, home automation, IP cameras, monitoring services, maintenance, repair, etc.

Established in 2002, Rush Security provides an integrated suite of security services operating from a centralised control centre in Newmarket. With a proven track record, Rush Security has grown into one of the leading security companies in Auckland. Today, Rush Security employs over 80 permanent staff and over 400 temporary staff.

Over the years the Ruswin operation has progressed from a business specialising in general locksmithing to complete systems integration embracing all digital electronic security products and their applications. Ruswin’s current company structure comprises mechanical security, electronic security, alarm monitoring, security design, system integration.

Rutland is principally known for door closers and door control. They believe that every building should protect the life within it.

With a wealth of experience in the design, installation and servicing of CCTV, access control and intruder alarms, Rutledge Integrated Systems (RIS) is an innovative solutions provider to companies with the need for integrated security systems, which comply with the latest NSI regulations.

RWE AG has two operational business fields, Conventional Power Generation and Energy Trading, and is indispensable for the functioning of the entire energy system and for security of supply in Europe.

They are in the business of building businesses so everyone can thrive whoever and wherever users are. Their flagship events will always be their pride and focus, but they're now building on these, creating year-round communities with shared passions and purpose, designed to help businesses and people grow continually.

Ryan Solutions e.U. is an international operating specialist in the field of electronic security. The company offers fully operational security systems for small and large projects. Ryan Solutions also provides project distribution of products such as Starcom, Flir, SIM, KABA, Appollo, Allegion, Xtralis and consultancy services.

RYS company was founded in 1989. It deals with the sale and development of access control systems and communication systems.

Rystad Energy is an independent research and business intelligence company, equipping clients with data and insights that power better decision-making.

SASecure is a subsidiary of PCF - A supplier of exceptional quality and service in merchandise protection systems.

S-Bahn Berlin GmbH provides mobility and rail connectivity solutions and services for Berlin, the capital city of Germany. Their employees are on duty 365 days-a-year, around the clock, to present the passengers with an attractive S-Bahn service.

S-RM is a global intelligence and cyber security consultancy. Founded in 2005, they have 400+ practitioners spanning nine international offices, serving clients across all regions and major sectors. The support clients by providing intelligence that informs critical decision-making and strategies, from investments and partnerships through to disputes; by helping organisations build resilience to cyber security threats.

Since 2009, S.I.C. Biometrics has developed innovative Fingerprint Biometric technologies for commercial Mobile devices to help organisations monitoring personnel’s movement, enabling easy and secure data access and facilitating personnel’s identification. The company designs, manufactures and commercialises mobile fingerprint biometric security solutions to enhance identity management and access control.

S. V. R. Marine is engaged in importing of new marine equipments, exporting and refurbishing all kinds of used and unused marine equipments. It has sole dealership of brands of fire extinguishers and fire fighting products the company group leaders in safety and security products worldwide.

S3 Integration is a US based company that provides comprehensive integrated security management solutions and services. The company offers professional services including planning, designing, implementation, integration and maintenance of state of the art security systems to many business operating applications. S3 offers access control, CCTV, perimeter protection, intrusion detection, alarm devices, fire alarms, photo ID badging, intercom, etc.

S3AFRICA is a South African registered closed corporation dedicated to providing a full range of specialist security and related services to standards that meet or exceed industry best practice. Its core business is focused on managing the risks associated with personal, asset and infra structure protection.

Saab Australia is an Integrated Security Solution architect, designer and installer. Their PSIM product delivers unrivalled performance in providing sensor state back to control room operators for situational awareness. They also have modules available for Resource and Task Management as well as Communications. Saab Australia has Cyber Security experts in-house to ensure your data is safe.

SAANVI INTERNATIONALS, which operates under the brand SPECULAR, is a manufacturer, importer and supplier of CCTV camera systems. The company’s portfolio includes digital wireless IP CCTV security cameras, digital video recorders, accessories, and parts as well as networking and cabling solutions.

Saba Software is a US-based software solutions and IT technology company, which offers powerful tools and insights that talent leaders need for their enterprises to make an impact on business success. Services provided include Talent Management, Performance Management, Recruiting, Learning Management Software (LMS), Compensation, Succession Management, Workforce Planning, Talent Acquisition, Applicant Tracking Software, and Recruiting Software.

Sabre is a software and technology company that powers the global travel industry. With decades of revolutionary firsts, Their team of experts drive innovation and ingenuity across the travel ecosystem. Sabre partners with airlines, hoteliers, agencies, and other travel partners to retail, distribute, and fulfilling travel.

SABTELCOM Sarl Cameroon aims to give customers the best service for their investment and expectations. They offer services in telecommunication systems, digital & IP based security systems, P.A.T testing (Portable Appliance Testing and Certification), data structured cabling and certification solutions, CCTV installation and maintenance systems, fibre optic cabling, wireless installations, moves & changes, and new installations.

SAC Nordic is a company in various security solutions such as spoken evacuation alarms, sound systems, emergency lighting, Pro Audio, hearing loops, communication & sound environments, fireproof cable, and service services. The company covers all of Sweden and has offices in Malmö, Lagan, and Stockholm.