FutureSentry is an open source device that performs every function of an effective security guard. The company caters to markets like commercial, industrial, residential and government. FutureSentry is a patented security technology system that is different from any tool previously deployed to protect people and property.

G4S is the world's leading international security solutions group. They provide services in protecting people and property, supplying remote video monitoring support and data center services, delivering highly specialized security personnel etc.

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.

GardaWorld is one of the world’s largest privately owned security services company, offering a range of highly focused 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.

Gartner, Inc. is an information technology research and advisory company. Gartner delivers the technology-related insight necessary for its clients to make the right decisions, every day. Gartner works with clients to research, analyze, and interpret the business of IT within the context of their individual roles, and is the valuable partner to clients in more than 10,000 distinct enterprises.

Gate Sentry is a hardware-free visitor management system for gated communities, country clubs, and manufacturing sites with on-site security. It replaces desktops, scanners, and paper logs with a single tablet. Users send mobile guest passes from their phones, and security teams get real-time access—no bulky equipment. For properties with unmanned gates and entrances, Sentry Solo uses mobile access and QR codes—no keypads or kiosks.

GateHawk builds powerful, easy-to-use video intercoms for modern communities. Their straightforward approach to access control ensures customers get the same great features without the hassle of other intercom platforms. GateHawk is headquartered in Phoenix, Arizona, USA. Their initial video intercom platform was created in 2019 by a team of experienced low-voltage integrators and engineers with decades of real-world experience.

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.

With over 50,000 units sold, General Dynamics C4 Systems has a proven history of delivering rugged and easily deployable secure wireless mesh networks to keep military and public safety workers connected, anywhere, anytime. Currently deployed in some of the world's most demanding environments, customers rely on Fortress mesh points to support vital operations that rely on secure, high performance networking where no infrastructure exists.

Genesis specializes in key control management systems. The company has provided its expertise in sales and service to correctional facilities, casinos, casino hotels, corporate America, hotels and government facilities.

Established in 1987, GET Group has emerged as a world leader in Passport, ID and IT solutions with projects and customers on five continents. Their advanced solutions utilize cutting edge technologies for the most reliable and trusted passport and ID card issuing systems as well as IT applications serving core governmental programs which stand the test of time: now, and into the future.

Gigamon enables organizations to run fast, and stay secure. The company delivers unified network visibility and analytics on all data-in-transit. Across physical, virtual and cloud infrastructure, Gigamon aggregates, transforms and analyses the network traffic to meet critical performance, rapid threat detection and response needs

Gish Technology is a provider of video surveillance consulting services in a number of vertical market sectors including education, gaming, health care, logistics, manufacturing and retail. It is also the developer of vsCalc software, a video surveillance calculator for tablet computers and smart phones.

Global Access Control Systems offers commercial perimeter security gates and parking control equipment. The company installs and offers services for analog 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.

GSA, Global Security Associates, the founding division of the Global Elite Group, is best known in the industry as a high end, boutique security agent firm using highly trained personnel. The company covers a wide range of assignments from standing guard posts to executive protection both foreign and domestic.

Located in Toronto, Global Link Response Centre Inc. is one of the primary leaders in the security industry. The company provides professional and reliable monitoring and security services to thousands of homes and businesses across Canada. Global Link Response Centre Inc. uses cutting edge technology and the most modern telecommunications to provide their subscribers with optimum customer care.

Global Security Solutions offers expertise on installation, sales and service for CCTV / IP video.

Global Surveillance, Inc. is an innovative IT company and a leading developer and provider of cutting-edge surveillance systems for onsite or remote video viewing, recording and management. Our advanced technology and software, plus seamless integration of components from leading manufacturers are what distinguish us in the industry.

Globelink Security Systems provides alarm monitoring and security system services for families and business owners in Oklahoma. Also, Globelink Security Services monitors for both residential and commercial alarm and security services.

The Gluu Server is an identity and access management suite comprised of free open source software (FOSS) components. Gluu provides authentication, authorization, and identity management solutions to any small, mid, or large scale organization. It was envisioned to make application security available to significantly greater number of organizations.

Glympse was founded in 2008 by Pravin Vazirani, Michelle Goldberg, and Thomas Huseby who spent 15 years working together in various capacities at Microsoft. It is a mobile service that allows GPS-enabled mobile phone users to share their location via a web-based map for a pre-set period with anyone they choose. Now, Glympse also enables businesses and channel partners to provide the benefits of real-time location sharing to their customers.

GMech Global, LLC. is an asset protection and security solutions firm. This veteran-led organization provides comprehensive risk assessment, design and engineering, integration, system performance testing, and audit services. GMech specializes in preventing threats like operational disruptions and loss of assets.

Headquartered in Greer, South Carolina, Goddard Technology Corporation is a privately-held software company specializing in digital solutions and database management that utilizes its imaging technology to develop software that generates smart and secure photo identification solutions for vertical industry segments.

Goldmark Security Consulting deliver multi-domain security assessment, master planning, design, and retained advisory services tailored to match an organization’s security concerns, needs, culture and budget. Their risk-based consulting approach helps a client recognize, prioritize and efficiently manage the complex elements of your current and cross-functional security risks.

Since 2013, Gorilla ATM has been providing independent ATM operators and merchants with custom security solutions for their ATM machines. With over 50 years of combined experience in the ATM industry, the team at Gorilla ATM knows what it takes to keep your machine safe.

Grace Technologies delivers excellence in process, electrical, voice and data, and CCTV and security solutions.

Greenwave Systems is an IoT software and services company dedicated to empowering market-leading brands to profitably deploy their own managed services and products, foster customer relationships, and grow their businesses. The Greenwave AXON Platform safely integrates data and communications from a variety of existing and emerging digital protocols and swiftly creates vanguard IoT and M2M services via managed networks with real-time analytics.