Nuclear Decommissioning Authority (NDA) ensures the safe and efficient clean-up of the UK’s nuclear legacy. This involves decommissioning and demolishing all buildings, as well as treatment and disposal of associated waste, both radioactive and conventional. The Nuclear Decommissioning Authority (NDA) is a non-departmental public body created through the Energy Act 2004.

Nullcon was conceived from null – The Open Security Community and the largest active security community in India. Nullcon is an extensive platform for the exchange of information about zero-day vulnerabilities, latest attack vectors, and other cyber threats. Here, security researchers and experts from various fields discuss information security, along with showcasing multiple offensive and defensive security technologies.

Numerica deploys advanced technology solving some of the country’s greatest defence challenges in the areas of air, missile and space defence. Founded in 1996 in Fort Collins, Colorado, the company’s technologies deliver precision domain awareness in space and advanced surveillance capabilities for critical air defence missions.

Nume Tech solutions provide a complete, unified, chronological, multimedia history of incidents implementing real-time video analytics, IP networking, recording and management for automatic threat detection, instant verification, event resolution and effective investigation. Nume Tech provides advanced solutions for all four security market segments -airports, cities, retail, prison, banking and private sector.

Nurjana Technologies is a niche player with a global reach providing innovative products and systems solutions for the defence and aerospace industries. They design and develop state of the art system solutions integrating remote sensing technologies, such as optics, radars and telemetry, to deliver real time expert systems in support of the human decision process.

NürnbergMesse is one of the 15 largest exhibition companies in the world. The portfolio covers some 120 national and international exhibitions and congresses and approx 40 sponsored pavilions at the Nuremberg location and worldwide. NürnbergMesse Group, which, with subsidiaries in China, North America, Brazil is Italy and India presence.

nVIAsoft Corporation is a startup business that provides security systems using revolutionary biometrics, to offer the most secure methodology to protect individual identity. Their solution is aimed to replace the vulnerable passwords, key fobs and a smart card that contains personal and sensitive information.

NW Security has a proven record in the design, installation and maintenance of CCTV and network-based security systems. They protect their customers’ people, premises and assets through the use of innovative technology and enhance operational performance by improving business efficiency and business intelligence.

NXP Semiconductors N.V. is a Netherlands based firm providing high performance mixed signal and standard product solutions like RF, Analogue, Power Management, Interface, Security and Digital Processing expertise. These are used in a wide range of automotive, identification, wireless infrastructure, lighting, industrial, mobile, consumer and computing applications. A global semiconductor company with operations in more than 30 countries.

Oak View Group are here to be a positive disruption to business as usual in the sports, live entertainment, and hospitality industries. Oak View Group has assembled a world class group of equity investors who believe in the company's bold vision for the future of sports and entertainment.

Oaks CCTV Limited designs, install, and maintains specialist CCTV solutions for industrial, commercial and domestic properties throughout Norfolk, Suffolk, Cambridgeshire and East Anglia. The company was established in 1996. Oaks CCTV also conducts on-site surveys to determine how to best match the customer's needs with the latest range of CCTV technologies available.

OCEM Airfield Technology is a pioneer in technologies that help airports handle more aircraft, safely and efficiently, from approach to departure. They design, manufacture and install airfield lighting systems. Their technology solutions include Airfield Technology, Energy Distribution, Airfield Ground Lighting, LED, and Airfield Ground Lighting Control & Monitoring Systems.

OCTOPUS is an advanced, cloud-enabled Physical Security Information Management (PSIM) system and mobile application offering customer solutions for a variety of vertical markets. The OCTOPUS system helps organisations across the globe protect people, information, and assets. The solutions offered by the system includes PSIM Command & Control, Crisis Management, Cyber Security Event Management, Visitor Management, Safety Management, etc.

OfficerReports is the most comprehensive and easy-to-use security guard management software platform in the security industry. They help security guard companies of all sizes from around the globe better manage their operations, better service their contracts, and win new business.

JSC 'OKHRANNAYA TEHNIKA' is a specialist enterprise, developing technical security equipment for use in perimeter and indoor security, data acquisition systems and CCTV.

Olarm is an exciting IoT business that provides next-generation mobile applications, systems and solutions to the home security and monitoring markets. They are a hardware & software company that has built a product from the ground up that enables people to use their smartphones to control their existing home alarm systems.

Olasco Company Nigeria Limited - OCNL - provides exclusive and dedicated physical security and investigative solutions nationwide.

OLX Group shape the future of trade as one of the world’s fastest-growing networks of trading platforms, operating in 30+ countries under 20+ well-loved brands including OLX, OLX Autos, Otomoto, letgo, Property24, and many more.

Omega Risk Solutions (Pty) provides advanced, integrated security solutions to their clients. The company offers international security management experience gained in Africa, Australia, Europe, the Middle East, UK and USA. Omega Risk Solutions services include Manned guarding, Fire Risk Management, Monitoring and Response, Security training programmes, VIP protection, and protocol and safe transport services etc.

Omega Security Consultants is a private investigative security company based in New York. Its principals have over 50 years of experience including: Federal Law Enforcement, Private Investigation, All aspects of security.

Omni Security Services offer a wide range of security solutions including manned guarding, guard dogs, search dogs, emergency response, mobile patrols, key holding and locks and alarms.

OmniPerception, a private British company founded in 2001, is a global supplier of computer vision capabilities, specialising in facial biometrics and advanced image processing. The company’s software provides automated solutions for the recognition of objects and people in a wide range of customer applications – offering significant added benefits in performance and reliability.

One Stop Alarmed Security offers an extensive range of security services provided by their team of professionally trained security officers. Their aim is to provide a service that leaves their client whether, personal, corporate or business relevant to feel 100% secure and protected.