G4S Technology is 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.

Galaxy Systems delivers high quality contract and permanent IT staff augmentation services for both consulting and project-based engagements. Galaxy’s primary goal is to help clients achieve increased IT-dependent revenue, operational efficiency and customer satisfaction.

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.

A specialist security business that is focused on the needs of the industry sectors that form the CNI.

GANTNER is the leading international manufacturer of high-value, innovative and lasting system solutions in the areas of identification, access control and settlement for increased efficiency, organisation, convenience and safety.

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.

Garden State Fire and Security has been protecting residential and commercial customers since 1969. The company provides personalised service and comprehensive product offerings to meet the needs of homeowners and business owners alike. Garden State Fire and Security offers a wide range of systems for burglar alarms, fire alarms, access control, central station monitoring, video surveillance, and more.

ADT Fire & Security has acquired Garfield Security Systems Ltd. and will continue to provide high levels of service. The company is UK’s leading provider of electronic fire and security solutions. ADT are approved burglar alarm installers recognised by NSI, formerly known as NACOSS. The company protect buildings and business; from the smallest shop to the largest retail centre; from workshops to car plants; from underground car parks etc.

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 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.

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 the North West of England, GB Integrated Systems are the name users can trust to advise on the best type of system for property and business. Technology has allowed it to become more sophisticated and intelligent, meaning it can deliver exact requirements for both home and business. Fire and Security means protecting people, property, and data systems.

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.

GC&E is a Veteran Owned Small Business providing Information Technology (IT), security, and telecommunications solutions. GC&E also provides consultation, design, and implementation. GC&E has grown from a company primarily providing voice and data infrastructure services to one with the capability, experience, and expertise to provide diverse IT, security management, and communications focused solutions and services.

GC2 Associates are providers of integrated security solutions and factory acceptance testing.

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.

GCS Alarms Ltd. provides installation services to a wide range of security products including security alarm, fire alarm, access control system, or a CCTV system etc. The company's service and installation vehicles carry the most up to date tools and equipment to deal with most situations. Located in Essex, GCS Alarms Ltd. have a fully equipped test and development workshop, dedicated to further improving its systems.

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.