Harper Chalice Group Limited's primary objectives are to design, develop, manufacture and supply electronic perimeter security systems. Harper Chalice Group produces a complete range of specialist electronic perimeter security systems to meet with all types of application requirements.

Harper Morgan offers a range of award winning consultancy services to the international security sector. As a specialist security management consultancy, Harper Morgan's staff has worked in all sectors of global security marketplace including: manufacturing, integration, design consultancy, distribution, installation and training.

Harper Security Systems has a long-standing reputation as master craftsmen with experience in all types of security systems. Their specialized team undertakes work where they are needed.

Harris & Sandford Security specialize in the installation of effective home and commercial intruder alarms, closed circuit television, access control, fire alarms, personal emergency systems and much more. Located in Kent, the company's main objective has been to install and maintain high quality security installations. Harris & Sandford Security systems comply with the very latest European standards.

Founded in 1982, Harrison Locks offers alarm, access control and master key systems. Harrison Locks supply and fit a range of Codelocks Paxton keypads and keyfob systems. The company's access system is Corkey, which is a global access system and Harrison Locks are one of Corkey’s main 4 UK dealers.

Harvey Group’s core business is the design, development, installation, commissioning and maintenance of Mechanical and Electrical Building Services. Harvey Group provides servicing and maintenance for; Intruder alarm systems, Alarm monitoring, CCTV systems, Door access system, Roller shutter doors, barriers, fire alarm systems and much more.

Haven Fire Security Consultants offers full industry package of scheme design, supply, installation, commissioning and maintenance of security systems such as Intruder Systems, Gas Extinguishing, Emergency Lighting, Nurse Call, CCTV, Fire Extinguishing and Water Detection systems etc. Located in Wiltshire, the company has grown from these firmly established roots to be the largest fire alarm service company in the South.

Haven Security Ltd. designs, installs, update and maintain various security systems for commercial and domestic application. The company is a member of the National Security Inspectorate. Located in East Sussex, Haven Security Ltd. have over 25 years' experience in installing burglar alarms, remote monitoring, access control systems, and fire alarms etc.

Based in Stanford-le-Hope, Hawkwell Alarms work throughout Essex and London, providing homeowners and commercial businesses with the very best in alarm and security system installations. The company's extensive range of alarm system services includes Wireless alarm systems, CCTV, System monitoring, access control, fire detection, and security lighting. Hawkwell Alarms have achieved accreditation from NSI NACOSS Gold Approved.

Haydon Marketing have been manufacturing and distributing CCTV security products since 1993. Their product range includes CCTV Camera housings with accessories, Surge protected UTP active and passive products, DVR enclosures, Data protection equipment for digital CD/DVD systems, CCTV signage, Dummy cameras and accessories.

HB Litherland are UK wholesale & trade electronics suppliers and distributors based in Blackpool, supplying AV, CCTV, Pro Audio & PA, & LED, LCD.

Established in 2011, HD Integrated Systems is based Sutton, Surrey. The company offers clients comprehensive electronic security solutions incorporating state-of-the-art CCTV, access control, intruder and perimeter Detection systems.

Heald Ltd design, manufacture and install a range of innovative hostile vehicle mitigation systems. An international company and family business, Heald is a world-class innovator in the field of perimeter security technology with products designed to help combat today's ever-increasing security threats.

Healix International provides travel risk management and international assistance services. Working on behalf of multinational corporations, governments, NGOs, and insurers, it looks after the welfare of expatriates, business travelers, and local nationals living and working in every country of the world, 24 hours a day. It has a reputation for medical and security expertise, understanding of risk, and the ability to evolve with the times.

Heason Technology is a UK based renowned supplier of Motion Control Products and Positioning Systems. They are also systems integrator and manufacturer of precision servo electric actuators, positioning systems and motion control solutions.

Heber Limited has been providing clients with specialist electronic design and manufacturing since 1984. The company designs and manufactures cost-effective electronic control systems for the consumer, commercial and industrial markets. With over 2.5 million Heber control systems in the world, it has established a winning reputation of designing innovative electronics to deliver a competitive advantage for its clients.

Heligan Group is an intelligence led investment and advisory group specializing in partnering with businesses that contribute to global safety and security. With a growing presence across various geographies, Heligan Group stands as a pioneer in its field, combining expertise with innovation.

Heliguy is a drone company based in UK that provides a one-stop-shop for commercial operators across a range of industry verticals, including public safety, mining, agriculture, construction, inspections and media.

Helimedia is a specialist delivering Intelligence, Surveillance and Reconnaissance (ISR) equipment and consultancy in the military, public safety and security sectors. The company focuses on airborne surveillance and microwave communications systems as well as other core technologies such as Automatic Number Plate Recognition (ANPR), biometrics and mobile data applications for PDA’s.

HellermannTyton are one of the leading suppliers of products for fastening, fixing, identifying and protecting cables and their connecting components. It also develop pioneering systems in the field of data and network technology.

HellermannTyton are one of the leading suppliers of products for fastening, fixing, identifying and protecting cables and their connecting components. From manufacturing through to delivery, the company meets the highest standards of quality driven by a quality management system that HellermannTyton implements throughout all of the production processes. The company offers cable ties & fixings, insulation products, cable protection systems, etc.

Helmet Integrated Systems Ltd is the premier helmet manufacturer. The company’s helmet systems, combined with face shields, visors, respiratory and communications equipment offer protection to personnel in a wide range of occupations. Helmet Integrated’s Cromwell fire fighter helmets and Argus police helmets are in numerous countries by government, military, civil and fire fighters, police & security organizations.

Heras designs, manufactures, installs and services perimeter protection solutions for customers across business, community and industry sectors.

Herongrange Group Limited offer a comprehensive service to determine the best solution for specific security requirements. They take care of the design, installation and maintenance of security services, offering solutions to every market sector.

HeroQuip is a specialist UK supplier of workwear and PPE to the emergency services including Ambulance, Fire and Rescue, Police and Prisons. Located in Knaresborough, North Yorkshire, HeroQuip understand the risks involved and the need for workwear and PPE that has been specifically designed for these organisations.