The NSEA is a para-military security organisation providing personal protection services. This company develops community programmes for wounded and retired vets and teens, and correction rehabilitation services.

Namib Property Patrols is a company that combines modern technology and traditional security methods to provide their customers with high quality security services. They provide professional asset security, patrols and manned guarding services.

NDSS Ltd provides a complete range of crowd safety management and security related services to event and festival promoters, owners of licensed venues, location film and TV companies and other small to large businesses in the UK.

Nella Global Solutions is one company with a number of interlinking departments that has the ability to provide a comprehensive and cohesive solution to private investigation, policy creation, security training, security services and advertising needs.

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

NMS is a global integrated security service provider that specialising in physical security, including armed and unarmed guards, roving patrol and TSA-level screening. The technological solutions offered include radar systems, SpotterRF distributors, video surveillance, access control solutions and biometrics.

Noble Fox Security is an acclaimed firm of security professionals with a reputation for both effective security solutions and the use of innovative technology. The company specialises in providing armed and unarmed security guard services for banking ATM technician escorts, corporate building security, residential complexes, healthcare facilities, construction sites, HOA's, retail venues, automotive dealerships, weddings, and event security.

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.

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.

Northwest SECURITY SERVICES is a professional company with an outstanding track record for supplying security to venues.

NVC Security deliver high quality manned security services nationwide. Their services include providing Security Guards, Event Security, Close protection and Alarm Response & Keyholding. Their staff are well trained and far exceed the industry standard. NVC Security offer professional, reliable and affordable security services. They offer bespoke and flexible security contracts to a range of clients nationwide.

Oakpark Security Systems Ltd. is a premier independent supplier of business security & resilience solution across East Anglia, London, & the South East of England. As business resilience specialists, they deliver innovative & customer-focused solutions that combine both manpower & technology elements, supported by an expanding consultancy service. They are focused on balancing the mitigation of risk against the provision of added-value services.

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

Omnia Security provides a range of security and cleaning services to corporate, private and public sectors. The service portfolio of the company covers corporate security, retail security, residential security, door supervision and closed protection apart from risk assessment and medical escort services.

OpSec Solutions are leaders in providing all aspects of security, surveillance & legal support services. It has developed a hard-earned reputation for genuine reliability and impeccably high standards. OpSec Solutions' operatives are recruited from the Security Services and Military. Professional, reliable, disciplined, dedicated and discrete; its teams provide a fully inclusive service, whatever the need.

Ovit Security addresses physical security and operational risk issues by employing a holistic approach, encompassing all aspects of a client’s operations. Physical security professionals provide support for all facets of an effective security programme, including: security engineering and design, threat assessments, close protection, surveillance, TSCM searches, Manned Guarding.