The Harris County Fire Marshal’s Office embodies these core values through the operating philosophy of serving the customers; preserving their integrity; taking care of the people and protecting future. The Prevention Division is responsible for the effective prevention of fires through the inspection of buildings during and after construction to determine compliance with the adopted county fire code.

Hartwell Electrical Contractors are electricians based in Witney, West Oxfordshire. They operate throughout Oxfordshire, Witney, Carterton, Brize Norton, Oxford and all parts of Oxfordshire. They cover everything from a simple light fitting change to complete installation of a new system and maintenance of the customer's existing one.

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.

Hayden-Systems has been providing fire alarm and security systems for commercial and residential properties since 1994. They pride themselves in providing design, installation, testing and inspection of municipal, commercial, institutional and residential fire alarm and security systems and providing superior customer service at all levels. They provide expertise and integrated system solutions for a wide range of commercial security needs.

Heartland Fire & Security is a full service, locally owned company in Davenport, Iowa that specializes in electronic fire and security protection. Their services include fire alarms, fire suppression systems, security systems, CCTV systems, access control systems, and many other types of protection, communications, and safety equipment.

Heartland Fire Protection has been providing fire protection products and services since 1993 with 21 years of experience. They provide products and services in the area of fire extinguisher and fire suppression systems.

Herbert Williams Fire Protectionis a leading company in Toronto, ON that offers its clients solid experience and professional workmanship second to none. 'Their skillful experts are always ready to help with the regular and scheduled inspection, testing and yearly maintenance of fire extinguishers and fire sprinkler systems as well as with the installation and repair of all various models of fire alarm systems.

High Plains Fire Protection charges fair and competitive rates for all services provided. Customers who choose High Plains Fire Protection will never be charged an additional “In Town/Out of Town Service Charge” for the privilege of receiving such services. They schedule routes and work types efficiently; eliminating the “opportunity” for additional fees.

HIKMICRO is a rapidly growing company mainly focusing on thermal imaging industry, with visible light imaging, electromagnetic, high-precision single-crystal silicon, ultrasonic and radar technology as additional areas, providing products and solutions to the world.

Hochiki UAE is one of the world’s largest manufacturers and suppliers of industrial fire detection products. They undertake design, manufacture, installation and maintenance of fire alarm systems and produces more than 3 million units per year. An international market leader in the manufacture of fire protection products, Hochiki Corporation also produces fire extinguishing, security and cable television systems.

HOERBIGER is active throughout the world in the oil, gas, and process industries. Their products and services are used in reciprocating compressors, gas flow control units, vehicle transmissions, gas-powered engines, automobile hydraulics, and comprehensive explosion protection solutions.

Home Security Company is one of the major companies that provides reliable and affordable home security systems across the USA. With security cameras, video doorbells, fire and carbon monoxide detectors, and wireless alarms, they provide comprehensive home security solutions to help keep residents safe with total peace of mind.

The Honeywell Farenhyt Series is an end-to-end fire solution that provides addressable fire alarm panels, firefighter telephone systems, communicators, early warning devices, fire and CO detection systems. The Farenhyt Series is used in educational institutions, health care facilities, commercial complexes, retail spaces, and government buildings around the world.

Honeywell is a Fortune 100 company that invents and manufactures technologies to address tough challenges linked to global macrotrends such as safety, security, and energy. With approximately 110,000 employees worldwide, including more than 19,000 engineers and scientists, it has an unrelenting focus on quality, delivery, value, and technology in everything it makes and does.

Horing Lih Industrial Co., Ltd. has designed high-quality safety and protection products for a wide range of fire alarm systems including detectors, control panels, fire alarm components and many more. Horing Lih has excellent quality management system that obtained and complied with the requirements of both BSI and LPCB ISO 9001:2015 Certificates.

Hoyles Fire & Safety Limited are experts in the provision of fire alarm systems, fire extinguishers and a wide range of other fire safety equipment for customers throughout Leeds, Bradford and Huddersfield.

Huron valley is a locally owned family business focused on customer service and reliability. They supply the highest quality brands of fire suppressant equipment including Amerex fire extinguishers, industrial dry chemicals, restaurant fire systems, and exit signage.

The Hyfire range of products is the most technically advanced and innovative hybrid fire solution available in the UK and the growing worldwide market. Their system has an impressive track record and can boast the largest reference list of any EN54 compliant hybrid system available and has therefore become the choice of many blue chip companies.

IBR Fire provides design, supply & maintenance of fire fighting appliances with a strong emphasis on "Compliance". They provide sprinklers, extinguishers, hosereels, pump house , water tanks, hydrants, fire detection, fire suppression and much more.