G4S Security Systems (Hong Kong) Limited is a Hong Kong-based electronic security systems provider and installer. Established in 1974, the company supplies and installs electronic security equipment for commercial, industrial, and institutional customers. It is part of the wider G4S group, which belongs to Allied Universal.

G4S Technology are a global market leader in providing fully integrated security solutions (including Access Control and Video) protecting everything from small offices and schools to large multi-national organisations and high security Government facilities around the world.

Gadusa security is a technology-focused security company with a global approach. They are a knowledge leader in end-to-end security services. They deliver the most effective security solutions by offering customised services such as corporate guards & security services, cyber security and network security solutions, supply, installation & maintenance of security equipment, surveillance & intrusion detection, CCTV, alarm and protection solutions.

Galaxy provides system integration and upgrades to existing systems, as well as new installations in the emerging security market. Due to the increased advancements in the technology and security industry, along with increased awareness there is now more than ever an unprecedented demand for companies such as Galaxy.

Galaxy Locksmith of Los Angeles is a local family owned business with 20 years of proud service to Greater Los Angeles. They offer bonded, skilled, reliable workmanship to residential, commercial, and automotive customers featuring a full range of locks, keys, alarm systems, CCTV systems, keyless entry systems, video surveillance systems, emergency locksmith services and access control systems.

Galeco is a renowned supplier of residential and commercial security solutions. They use the most advanced security technologies and solutions to provide a quick, clean and effective security system installation. Galeco supplies CCTV systems, fire alarms, intruder alarms, intercoms, PA systems and other security solutions.

Gallant Security Systems Ltd. was established in 1986 and provides a professional security service to all the major sectors in the Irish industry. It offers specialist services to industrial units, retail outlets, business premises, schools and colleges and more. It also provides till scan and fraud detectors, automatic fire alarm systems, intruder alarm systems and automatic gates and barriers.

Garblex Home Solutions is a provider of home and commercial services in Kenya, specializing in solar power systems, electrical services, handyman solutions, and renewable energy installations. Through its solar division, Garblex Solar, the company delivers reliable, safe, and efficient solar solutions — from residential rooftops and hybrid systems to off-grid farms and commercial projects.

GardaWorld is one of the world’s largest privately owned security services company, offering a range of highly focussed business solutions including cash services, protective services and aviation services. Each day, GardaWorld solves tough problems; they secure global commerce and protect the clients’ people, assets, and reputations.

Gardner Engineering Limited is situated in Preston Lancashire, they are a pioneering UK manufacturer of quality CCTV hardware products. They specialise in an extensive range of products including monitor mounts, camera brackets, wall mounts and so much more, all of which are made to the highest specifications.

At Garrison Alarms, they pride themselves on being Auckland's renowned security specialists, delivering state-of-the-art CCTV systems, security alarms, and comprehensive alarm monitoring services. Garrison is a New Zealand-owned and operated Electrical, Security and Alarm Company, based in Auckland, with a focus on customer satisfaction.

Gate Logic Security is an elite, full-service company specialising in gates, gate automation, and access controls. It services and installs all major brands throughout the Washington Metropolitan area for residential, commercial, and high-security facilities.

Gate Options is a full-service automated gate system provider. The company offers a variety of value added services to upgrade, design or repair existing gates. Gate Options also provides maintenance and installation solutions for automated gates in residential, commercial and industrial areas, to improve overall security.

Gate Security offers complete security solutions for customers with high security demands within Trade, Municipal and county, Transport, Logistics, Soccer Stadiums, Gas stations, etc. The main objective is to reduce theft and secure customer environment with latest technology available on the market. The company provides market leading alarm technology with safety and security products such as CCTV, EAS, physical access, detection systems, etc.

Gatehouse Solutions is the leading technology provider for gated community access control. The company's complete resident & visitor management software package streamlines visitor tracking & resident gate access. GateHouse is a division of TEM Systems Inc.

Gateset Security Systems is a world-renowned Turkish manufacturer based in Istanbul, the ultimate meeting point for major European and Asian economic players. Since 2013, GateSet has been providing customers worldwide with access control and security solutions such as turnstiles, barriers and identification systems. While continually expanding its product line, GetSet responds to the ever-changing security requirements of business and industry.

Gateway Automation Ltd. is a nationwide manufacturer and installer of perimeter security systems and devices. They undertake civil and electrical site preparation and automate existing perimeter security devices and equipment throughout the UK.

Based in Spalding, GB Alarms Ltd. offer a range of services to ensure that their customers feel safe and secure. Its extensive range includes intruder alarms, fire alarms, CCTV systems, access control, guarding services and keyholding. The company has earned reputation with their customers, who range from professional firms with schools to house builders, retailers, haulage operators, port authorities and multisite food processing plants.

Based in Spalding, GB Alarms Ltd. offer a range of services to ensure that their customers feel safe and secure. Its extensive range includes intruder alarms, fire alarms, CCTV systems, access control, guarding services and keyholding. The company has earned reputation with their customers, who range from professional firms with schools to house builders, retailers, haulage operators, port authorities and multisite food processing plants.

GBE provide design, installation and support services for life safety and security systems to major construction projects throughout the UK. GBE is accredited with all major industry bodies and health and safety schemes. The company offers life safety services, such as fire detection and alarm, fire suppression, voice alarm systems as well as emergency voice communication systems.

They introduce themselves as a 25 year old telecom, security & I.T solutions company. Their services include the Supply, Design, Integration, Installation, Consultancy and Maintenance of Telecom Security & I.T related products.

Gcore is an international provider of public cloud and edge computing, content delivery, hosting, and security solutions. Gcore manages a global infrastructure designed to provide enterprise-level businesses with first-class edge and cloud-based services. Gcore is headquartered in Luxembourg with offices in Vilnius, Krakow, Belgrade, Nicosia, Tbilisi, Tashkent, Manila, Seoul, and Tokyo.

GD Fire & Security is a long established company with an enviable reputation for the design, installation and maintenance of security systems such as CCTV, access control, fire alarms, door entry, and intruder alarms. Located in London, the company provides commercial, public and home security. GD Fire & Security considerable experience and total commitment to quality enables us to provide an outstanding level of service to all our clients.

GECOM relies on a modern, efficient, functional, and streamlined organization, capable of establishing a comprehensive and integrated management system to meet all security, private surveillance, and reception needs. This flexible yet structured organization allows us to maintain direct control of all services, providing clients with a single point of contact at all times and in all situations.

Geekplus is a global technology company pioneering the intelligent logistics revolution. They apply advanced robotics and smart technologies to realise flexible, reliable, and highly efficient solutions for warehouses, factories, and supply chain management.