The National Business Crime Centre (NBCC) is an organisation that helps all businesses and police forces learn, share and support each other, with the aim of preventing and combatting business crime and criminality.

National Centre for Nuclear Robotics is an organisation that offers programmes and services designed to accelerate and reduce the cost of UK’s nuclear clean-up tasks. It is a collaborative project involving international experts from 8 UK universities and 30+ partners from the nuclear industry.

NCPA (National Cooperative Purchasing Alliance) is a national government purchasing cooperative working to reduce the cost of goods and services by leveraging the purchasing power of public agencies in all 50 states. NCPA utilises state-of-the-art procurement resources and solutions that result in cooperative purchasing contracts that ensure all public agencies are receiving products and services of the highest quality at the lowest prices.

National Cyber Security Agency of Thailand is responsible for coordinating and implementing national cybersecurity policies, strategies, and initiatives.

The National Cyber Security Centre is an organisation of the United Kingdom Government that provides advice and support for the public and private sector in how to avoid computer security threats.

The National Cyber-Forensics and Training Alliance (NCFTA) was formed in 2002. It serves one essential purpose: to provide a trusted, confidential forum where the private sector and law enforcement can work together to identify and disrupt the most pressing cyber-related threats.

The National Cybersecurity Alliance's mission is to educate and empower our global digital society to use the internet safely and securely. It is the proven public/private partnership that focuses industry efforts to create behaviour change by convening partners who recognise the strength in the security collective; educating individuals on cybersecurity best practices, and amplifying collective efforts to increase cybersecurity awareness.

From the smart electric power grid and electronic health records to atomic clocks, advanced nanomaterials, and computer chips, innumerable products and services rely in some way on technology, measurement, and standards provided by the National Institute of Standards and Technology. NIST measurements support the smallest of technologies to the largest and most complex of human-made creations today.

With a 110-year heritage, the National Insurance Crime Bureau (NICB) is the nation's premier not-for-profit organisation dedicated exclusively to fighting insurance fraud and crime. NICB was formed in 1992 from a merger between the National Automobile Theft Bureau (NATB) and the Insurance Crime Prevention Institute (ICPI), both of which were not-for-profit organisations.

The National Retail Federation, the world’s largest retail trade association, passionately advocates for the people, policies and ideas that help retail thrive. For over a century, NRF has been a voice for every retailer and every retail job, educating, inspiring and communicating the powerful impact retail has on local communities and global economies.

Part of the NSA Group, they specialise in background screening services, providing a range of solutions including online criminal record checks (DBS), employment referencing, AML checks, Right to Work verifications, and many other services

National Sheriffs'​ Association headquarters is located in Alexandria, Virginia and offers training, information, court security services, jail information and other law enforcement services to sheriffs, deputies, and others throughout the nation. NSA has worked to forge cooperative relationships with local, state, and federal criminal justice professionals across the nation to network and share information about homeland security programs.

NSI provides a consultative service to its clientele that encompasses the entire organisation's security architecture. This begins with a Security Risk Audit covering everything from the Premises, Staff, Policies, Procedures, Due Diligence, Geopolitical Risk, Cyber Security, and Technical Surveillance Counter Measures as well as many other contingencies.

National Training Center (NTC) is the most recognised name in training for the fire protection and low voltage industry. NTC develops and conducts training for NICET Certification, Continuing Education and career development. They also write and publish professional references, which are used as the standard for the fire protection and low voltage industry.

As the European pioneer in naval defence, Naval Group uses its extraordinary know-how, unique industrial resources and capacity to arrange innovative strategic partnerships to meet its customers’ requirements. As a system-integrator and prime contractor, the group designs, builds and supports, deconstructs and dismantles submarines and surface ships. It also supplies services to shipyards and naval bases.

Net IT Matrix provides services in the field of Security & Surveillance,offering turnkey solutions for security infrastructure. The services provided include: Security audit and evaluation. Preparation and implementation of physical security plan. Design and implementation of Surveillance solutions. CCTV system integration with the existing setup, if any. Setting up of Control room. Structured cabling required for the whole setup.

NetAccess Controls provides software & hardware for access control solutions.

Next DLP ("Next") is a pioneering provider of insider risk and data protection solutions. The Reveal Platform by Next uncovers risk, stops data loss, educates employees, and fulfills security, compliance, and regulatory needs. The company's leadership brings decades of cyber and technology experience from Fortra (f.k.a. HelpSystems), DigitalGuardian, Crowdstrike, Forcepoint, Mimecast, IBM, Cisco, and Veracode.

Nodaccess distributes all HID products, iClass, iClass SE, Proximity, Indala, Fargo card printers, NaviGo logical access, cards. The company also carries AWID, Suprema biometric solutions, Jolly Technologies, Visitor Pass, visitor management solutions, a full line of accessories i.e. lanyards, badge holders etc.

NODY Contracting Est. is specialized in field of Electro-Mechanical & Low Current Works in Saudi Arabia. Its services include Information & Communication Technology (ICT), Safety & Security, Planning, Design, Consultation.

NorthSec is the biggest applied security event in Canada, aimed at raising the knowledge and technical expertise of professionals and students alike. They are determined to create a high quality security forum composed of a three days training session, two day single track conference by the brightest in their field of expertise, followed by an intense 48 hour on-site CTF contest.

Novasecuris redefines cybersecurity with innovative solutions and a steadfast commitment to data protection. Their flagship product, CLYCN AI, uses advanced AI for real-time threat detection and incident response. They offer tailored services including SIEM, SOAR, Threat Intelligence Platforms, and Incident Response.

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.

The Open Security & Safety Alliance (the Alliance) is a collaboration initiative that brings together like-minded organisations in order to create a framework outlining a common standardised platform for security and safety solutions. The key beneficiaries of this alliance will be the customer and user of the improved security, safety, building automation and business intelligence solutions.

The Orange County Alarm Association exists to promote the interests of the electronic security industry. The association facilitates communication among members engaged in the sale, installation servicing and monitoring of alarm systems, industry suppliers, and public safety officials by providing a forum for the discussion of ideas, problems, and solutions.

OCCAR (Organisation Conjointe de Coopération en matière d'Armement / Organisation for Joint Armament Co-operation) is an international organisation whose core-business is the through life management of cooperative defence equipment programmes. They provide more effective and efficient arrangements for the management of certain existing and future collaborative armament programmes.

Ports group provides corporate management solutions that include email compromise protection, consultancy services, hosting services and SSL certificates, online brand protection and design protection.