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 Police Chiefs’ Council (NPCC) was formed on April 1 2015. It replaced the Association of Chief Police Officers (ACPO), which previously provided national police coordination and leadership. ACPO was closed down on March 31 2015. NPCC helps police cut crime and keep public safe by joining up the operational response. NPCC works closely with the College of Policing, which is responsible for developing professional standards.

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.

The NS&RC is an elite group of international companies from Europe and the United States who work closely together to provide clever world class solutions in growth markets such as CBRNe, Global Threat Secure Travel, crisis management and contingency planning, specialist design and build, NS&R training, airport and aviation security, cyber security and data protection, health safety and rescue.

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.

NSCA is the leading not-for-profit association representing the commercial electronic systems industry in the USA. The National Systems Contractors Association is a powerful advocate of all who work within the low-voltage industry, including systems contractors/integrators, product manufacturers, consultants, sales representatives, architects, specifying engineers and other allied professionals.

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.

The National Volunteer Fire Council (NVFC) is a non-profit membership association representing the interests of the volunteer fire, EMS, and rescue services. The NVFC serves as the information source regarding legislation, standards, and regulatory issues. The NVFC also provides vital resources and information to the volunteer fire and emergency services.

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.

NESCTC is a privately held, limited liability company working throughout North America, the Caribbean , and South Pacific. They are a national security company and also have a direct division providing security service in Rhode Island , Massachusetts and Connecticut . Their world corporate headquarters is located in Warwick , Rhode Island

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.

NetOne, formerly known as Security Network of America, is an elite network combining independently owned security companies across US & Canada. The primary focus is to support and enhance growth & development of member companies. The member companies deliver leading security and communications services to protect homes and businesses nationwide, employing emerging technologies to let customers achieve greater control over their security efforts.

New Jersey Electronic Security Association presents over 300 security and fire alarm companies, manufacturers, and distributors in the state of New Jersey. The company has been a driving force in providing information and training to its members to ultimately protect the consumer. NJESA always promotes hiring a licensed contractor.

The New York Fire Alarm Association, Inc. meets face-to-face with government officials, and serves on DOB and FDNY technical committees. The company strives to resolve specific problems, including: design, application, installation, inspection, testing, maintenance, system performance of fire alarm systems, plus provide technical assistance on interpretations of codes and standards.

The New York State Electronic Security Association is the trade association for the New York alarm industry. The NYSESA represents security alarm companies, manufacturers, and distributors.

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.

A full-service firm with the proven capabilities to manage all facets of your company’s security requirements, Norred & Associates, Inc. is the largest and oldest locally owned corporate security and investigative firm in Atlanta, Georgia.