Argus-Spectrum is a leading Russian manufacturing company, specializing in the development and production of security and fire protection alarm systems. A variety of detectors, fire and alarm control panels, central station systems, announcing and extinguishing systems are oruduced by Argus.

Aria Insights (CyPhy Works) is a persistent drone company. Their advanced aerial platforms are designed for customers in defence, public safety, and commercial industries. They deliver rugged, high-endurance tethered drones with secure payload data and autonomous flight.

Ariel Technologies is the premier contractor of enterprise security architecture and services for federal and commercial clients. They protect high-value facilities with excellence and take the time to educate the clients on their technology. They provide security architecture, security solutions, enterprise security, robust security solutions, and security architect.

Arm technology is at the heart of a computing and connectivity revolution. Arm provides Artificial Intelligence, IoT solutions, Security solutions, 5G services and much more.

Arma Kontrol is a company that has been developed by Turkish engineers and has the certificates of Road Blocker and Rising Bollard produced in Turkey. Arma Kontrol manufactures Arm Barrier, Paid Parking Systems, License Plate Recognition Systems, Under Vehicle Imaging Systems and specially designed Place Traps.

Armor is a global cybersecurity software company that simplifies protecting data and applications in private, public, or hybrid cloud environments. Armor Anywhere provides technology to detect and respond to threats and can be activated in minutes. Armor also helps organizations comply with major regulatory frameworks and controls.

Armorblox helps organisations communicate more securely over email and other cloud office applications with the power of Natural Language Understanding (NLU). The Armorblox platform connects over APIs and analyses thousands of signals to understand the context of communications and protect people and data from compromise.

Armour Communications Limited provides market-leading technology for secure communications solutions for voice, video, messaging and data on everyday smartphones, tablets, and Windows 10 desktops.

The Arran Isle Group is a solutions provider/specialist distributor of branded building products. Their vision is to grow by consistently providing customers with competitively priced, innovative building products delivered exactly when they need them. This will be achieved through talented teams with expert customer & market knowledge, outstanding designs, global sourcing & excellent supply chain capabilities.

Art Sentry is a camera-based motion detection and museum security system that prevents touches with an invisible protection zone. Art Sentry is changing how museums protect and create more effective exhibits. Art Sentry has been proven to prevent over 92% of unwanted touches while also enhancing visitors experience using audible alerts. The system provides statistical and visual data which helps to improve operational efficiency in museums.

artec technologies AG from Diepholz in Germany develops and manufactures innovative software and system solutions for the transmission, recording and evaluation of video, audio and metadata in networks and on the Internet.

The Artemis Shielding security scanner curtains are custom designed and manufactured to shield operators and the public from harmful radiation produced by x-ray machinery. The curtains are commonly seen in airport security when scanning carry-on luggage and bags. Artemis Shielding security curtains are lead-free, non-toxic and provide superior shielding protection.

Aruba, a Hewlett Packard Enterprise company, is a provider of next-generation network access solutions for the mobile enterprise. The company designs and delivers Mobility-Defined Networks that empower IT departments and #GenMobile, a new generation of tech-savvy users who rely on their mobile devices for every aspect of work and personal communication.

ARX Perimeters is a pioneer in mobile security fences and vehicle barriers for reliable, secure crowd control. They provide mobile vehicle barrier, high security fence systems, portable bollards, mobile gate security, ARX guard towers, Pedestrian barriers and many more. ARX Perimeters is also the distributor of Rosehill security products.

ASB-Security BV is a professional developer and supplier for microelectronics and ICT based safety and security solutions. The company is specialised in alarm processing, alarm transmission and ARC (Alarm Receiving Centre) automation. The portfolio includes devices, systems, software and services. During its 30 years of existence ASB achieved a leading position as an innovative supplier for high quality solutions for the security industry.

Ascent is the partner to solve the most challenging cybersecurity problems. The firm is built to evolve its cybersecurity posture, modernise Microsoft solutions, and manage entire security ecosystems. With constantly advancing capabilities, including incident response and CMMC, Ascent provides organisations with the consulting excellence and operational expertise needed to build a safer tomorrow.

Asenware is a fire alarm and suppression system manufacturer and a solution designer, they supply fire alarm and suppression system which includes conventional fire alarm system, addressable fire alarm system, emergency light system, FM200 gas suppression system, fire pump, fire hose reel and cabinet.

Asset VRS is a supplier and manufacturer of temporary vehicle restraint systems such as safety barriers and vehicle crash barriers in the UK. In addition, they supply and install special low deflection permanent road safety systems, easy opening vehicular gates and crash cushions.

The Association for Uncrewed Vehicle Systems International (AUVSI), the world's largest nonprofit organisation dedicated to the advancement of uncrewed systems and robotics, represents corporations and professionals from more than 60 countries involved in industry, government and academia. AUVSI members work in the defense, civil and commercial markets.

Assured Data Protection delivers tailored services based on the Rubrik cloud data management platform to meet individual client needs in an affordable and achievable manner. They provide Data Protection, Disaster Recovery, Backup, BaaS, DraaS, Archival, AaaS, Cloud Data Management and much more.

ASTEL JSC is an innovation-driven company, one of the pioneers on the Kazakhstan telecommunication market. They provide Telecommunication, Satellite communication services, Internet access services, System integration, Project development and implementation, internet of things, cloud services, and Information security.

Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic properties throughout London and the South East including; schools, offices, factories and retail enterprises.

Astro Security Monitoring believes in protecting property, family, and pets, not just selling a long-term expensive contract. The company's headquarters is located in Sacramento, California, USA.

Asygn provides IC and system solutions for industrial consumer, defence, and automotive applications.

ASYLON is an American-made security drone robotics company that manufactures the DroneCore System, the world’s most powerful fully automated persistent aerial asset specifically engineered for remote command and control-perimeter security missions.

AT Systems is a supplier of security systems in the Columbus area. From access control to wireless systems, they design customised solutions for their clients. The company deals in home security products such as home alarm systems, wireless alarm systems, burglar alarms, and security surveillance systems. AT Systems' business security services include installation and monitoring of IP camera, DVR, biometrics, and facial recognition systems.

Atakama is the pioneer in multifactor encryption, enabling unrivaled data protection through distributed cryptographic key management. Organisations rely on Atakama to protect their most sensitive data, even when identity and rules-based access controls fail. Atakama removes the conventional trade-off between data security and accessibility to protect data, simplify the user experience, and visualise data usage and security trends.