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.

Aster is a system integrator for IP CCTV solutions.

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.

ASVS is a Moroccan company for the distribution of low current equipment. Since 2011, they have been supporting their customers in their projects, while constantly staying up to date with technological changes in the field of electronic security.

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.

Asylon Robotics automate security operations by leveraging aerial and ground robotics, sensors, and data. Their American-made solutions are built to enable the security operations centre of the future. They are the only full-service American robotic perimeter security company.

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.

Atronic Alarms, Inc., headquartered in Lenexa, Kansas is one of the largest, locally owned and operated security, fire and “smart home” automation providers in the Kansas City and surrounding area. The company has worked with homes and businesses to provide with custom designed systems for intrusion, fire, Smart Home automation and energy management, camera, access control, remote video, video monitoring, & local home alarm monitoring services.

Attendance India offers biometric access control system, fingerprint time attendance system, CCTV surveillance systems, RFID cards and fingerprint readers.

Since 1994, Attenti has been at the forefront of offender monitoring innovation and excellence. Their electronic monitoring systems are trusted by government agencies and correctional service providers in over 40 countries, to reliably monitor more than 300,000 people.

ATTYWON is a full-service technology integrator servicing residential sectors and offices. They provide design, planning and pre-wiring for audio/video/data/security and once the project is near completion they design, install, integrate, program and automate the systems.

AUDITEL is an engineering and solutions integration company with a wide range of experience in design, projects, installations and maintenance for audiovisual solutions, security, telecommunications, electricity, energy, air conditioning and mechanical installations.

AutoPass India specialises in access control and security systems for vehicular traffic monitoring, people movement and complete parking solutions. Products and services include barriers, bollards, and facial recognition.

Avancar Security & Access Services Pvt Ltd is reckoned as one of the leading manufacturer, exporter & suppliers of surveillance system, office automation systems and home automation systems. Our range of electronic equipment is widely used in domestic and industrial sectors.

Avante Logixx Inc. is a publicly-traded company based in Toronto, Canada, which owns companies and assets that enable personal and commercial security & safety, security monitoring, advanced video analytics, automation, and smart real-time monitoring in various sectors.

Aveniq offers its customers comprehensive one-stop IT services. Its expertise lies in hybrid cloud solutions, outsourcing, digitalisation solutions, SAP S/4HANA, dedicated industry solutions, and consulting services, with a main focus on IT education, IT infrastructure, IT security, and business continuity. The company is located in Baden, Dübendorf, Wallisellen, and Wangen (Zurich).

AVENIR is a CCTV security surveillance and alarm/smart home systems company located in Istanbul. With its quality, low price policy and after sale services, AVENIR has grown dramatically every year. The company has about 1500 agents and resellers all over Turkey and neighbouring countries.

AVESTECH was founded in 2013 with the aim of bringing modern and innovative technologies to the global market, taking into account current trends. Their beginnings were challenging and they had to convince their clients of a change in thinking in the field of security and the need to change common and outdated approaches and solutions. Nevertheless, they are known worldwide today and their services are used globally.

Avio is leader in space propulsion, with more than 1,000 employees located in Italy, France and French Guyana. Since its foundation, in 1912, the company has played a key role in designing, manufacturing and integrating space launch systems and tactical missiles.

AVITECH is one of the important integrators of solutions and systems designed for security, safety, electrical installations, automations, audio-video, video conferencing and IT&C industries. The company has acquired top position in the Romanian market in the field of video projection and conference systems. The company caters to various markets including internal affairs, construction, education, real estate, retail, healthcare, etc.

AVS Technology is a diversified security design and installation company offering custom security solutions from access control to video surveillance. In addition, the company offers system design, installation and technical management services for a wide range of facilities, including educational campuses.

Axial Systems is the leading supplier of portable and distributed solutions for network management, analysis and security in the UK. The company is dedicated to creating and supporting the secure, high-performance networks that our customers rely on to achieve their business goals.

Axiomtek provides industrial automation, network security, and medical and retail solutions. The company also provides IoT solutions related to transportation, retail, factory automation, smart homes, smart cities, airports and banks.

Axon Vision is a globally renowned security and military systems solutions company, established in Israel in 2017 and caters to the military, defence and civilian markets. Axon-Vision cooperates with entrepreneurs and is involved in cutting-edge projects. The company's products are globally unique and unrivalled, and are designed to work with difficult-to-process video, taken with scanning and moving cameras while in motion, in any place, time.

B&GS are a small company with skilled installers/mechanics, working with gates and barriers for more than 20 years.To expand their product range they added CCTV, intercom and access control. Within a year's time B&GS became the preferred installer of LG CCTV products in the Netherlands. Their main products are from high end producers like Hörmann (gates, barriers, doors), LG and Canon (CCTV), Videx (intercom) and FAAC (automatic sliding doors).