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.

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

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.

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.

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.

GemiCon Group Ltd is provider of CCTV monitoring services, with a national workforce of highly trained and fully SIA licensed Operators engaged on contracts designed to ensure the protection of city centres,shopping malls and high risk premises that are particularly vulnerable during the silent hours.

Security system and Fire and Safety. Distrubuter, reseller and Installer.

Geoffield Nigeria Limited offers a wide range of security engineering services designed to meet the everyday security challenges of government, business, hotels, factories, hospitals, schools, banks, estates, law enforcement agencies and private estates. Whether your needs are surveillance, fire detection, access control or general security. Geoffield has on offer the services, products and advice that would meet your needs.

Established in 2006, GFEQS offers high quality and reliable security and fire services. Services include Fire-Extinguishing Systems, Fire and Security Alarms, CCTV Systems, Access Control Systems, Turnstiles and barriers, Doors, Gates, Safes and locks.

Security Systems Installation Specialist. GK Alarms Ltd install and maintain burglar alarms, CCTV, card access and door entry systems for domestic and commercial clients. In 2009 they were awarded a certificate of Excellence by SSAIB for achieving ongoing high security system installation standard based on British standards.

GKT Group delivers electrical and security services in Newcastle, the Hunter Valley and surrounding areas. GKT Group Security Newcastle offers the full range of security services from 24 hour alarm monitoring, CCTV, alarm system installation to security guards. The company installs the latest technology for home, work place or work site.

Global Access Control Systems offers commercial perimeter security gates and parking control equipment. The company installs and offers services for analogue and digital systems, cameras and dome, DVRs, NVRs and encoders as well as video analytics and mobile systems. Global Access Control Systems is a member of ASIS.

Global e Solutions provides premium security services to a wide-ranging and prestigious client portfolio. Their team of security consultants combines technical security knowledge and operational security experience to provide users with the best possible security solutions

Global Eye Technology offers expert advice and strategic planning to help businesses leverage technology for optimal performance and competitive advantage.

Global Prana is a CCTV security & surveillance systems’ company that offers an extensive portfolio of innovative and high-quality and products, solutions for security, safety and communications. Global Prana’s product range includes video surveillance systems with state-of-the-art IP-solutions, access control systems, intrusion detection systems, and security management systems. It offers advanced cameras as well as digital/NVRs.