Deere & Company (John Deere) is a world leader in providing advanced products, technology, and services for customers whose work is revolutionising agriculture and construction those who cultivate, harvest, transform, enrich and build upon the land to meet the world's increasing need for food, fuel, shelter, and infrastructure.

The Defence Industry Security Association (DISA) grew from the need to have a corporate body able to advise, guide and comment on security matters for organisations working with Her Majesty’s Government, the Ministry of Defence and their subcontractors. The membership is drawn from individuals responsible for advising management on the implications and contractual obligations required by contracts.

DEFENDERS, Inc. is a USA based security company that provides home security, safety and peace of mind to more than 2 million families in the US. They are focused on installing state-of-the-art security systems and providing post installation services.

Defendify's all-in-one cybersecurity platform is well suited for small businesses. The company helps small and mid-size organisations navigate the cybersecurity landscape. Defendify's policies, procedures and plans defend organisations against the increasing number of cyber threats by creating employee awareness and providing institutional knowledge.

Defendr Security partners with Brinks Home Security and other top providers to build personalized security packages tailored to the customers’ needs. Veteran-owned and operated, they proudly serve 14 states and support fellow veterans. They offer a FREE consultation to recommend the best home security solution.

Defentect develops and delivers software solutions to facilitate the response to the detection of a threat. The company improves customers' safety, security and continuity by facilitating an appropriate, informed and timely response.

Defy is an early-stage venture fund focused on emerging high-potential opportunities. Chasing hype is not our style. Defy.vc value authenticity, and admire the tenacity it takes to turn a daring idea into an enduring company. Defy.vc back extraordinary people capable of changing the status quo. Defy.vc showcases its success, and works hard behind the scenes to amplify it.

Delaney Hardware is a renowned provider of premium builder hardware for residential homes, multi-family buildings, and commercial projects. As part of the Sargent and Greenleaf (S&G) family of brands, Delaney offers a full portfolio of hardware including door hardware, digital locks, barn door hardware, bath accessories, commercial hardware, trim hardware, steel doors and frames.

With a team of specialist communication and security engineers working throughout the Country, Deldata Computers can provide your business with a surveillance maintenance service plan that best suits your business needs and requirements.

Delinea is a provider of privileged access management solutions that make security seamless for the modern, hybrid enterprise. Its solutions empower organisations to secure critical data, devices, code, and cloud infrastructure to help reduce risk, ensure compliance, and simplify security. Delinea removes complexity and defines the boundaries of access for thousands of customers worldwide, including over half of the Fortune 100.

As an end-to-end computing solutions company, Dell provides high quality solutions. The company serves customers ranging from the world's largest businesses and public-sector organisations, to small and medium businesses, and individual consumers. Dell specialises in computers, storage, servers, IT services, services, software, IT security, end-to-end computing solutions, mobility, cloud computing, etc.

Dell EMC serves a key role in providing the essential infrastructure for organisations to build their digital future, transform IT and protect information. Dell EMC enables enterprise customers’ IT and digital business transformation through trusted hybrid cloud and big-data solutions, built upon a modern data center infrastructure that incorporates industry-leading converged infrastructure, servers, storage, and cybersecurity technologies.

With more than 100,000 professionals, Deloitte provides audit and assurance, tax, consulting, and risk and financial advisory services to a broad cross-section of the largest corporations and governmental agencies.

Delta Audio-Visual Security is a full-service, electronic systems integration firm. They provide complete Design and Engineering Services, Installation, Documentation and Customer Training for high-tech audio, video, control systems, digital signage, and unified communication.

Delta is a network integrator and provider of converged IP network solutions. They specialise in the design, installation and maintenance of converged IP networks supporting data switching and routing, voice over IP (VoIP) and IP-based video distribution over secure wired and WLAN infrastructures.

Delta Southern UAS explores the capabilities and feasibility of UAVs (Unmanned Aerial vehicles) for defence, commercial and agricultural applications. An industry leader in software processing and drone technology, the company aims to contribute to the success of clients and customers by investing in high technology drone systems.

Delta Turnstiles is a manufacturer of high quality optical turnstiles for corporate and government lobby entrance control needs. As a complement to a sophisticated access control system, Delta’s focused line of architecturally designed products satisfies the needs of both security and facility management concerns.

Dem360, LLC is a US-based IT software and security solutions provider. Dem360 offers a wide range of software, IT security, PSIM, physical security and access control systems solutions for enterprises.

Demisto Enterprise offers the first and only comprehensive, Security Operations Platform to combine security orchestration, incident management and interactive investigation. Demisto’s orchestration engine automates security product tasks and weaves in the human analyst tasks and workflows. It's the first machine learning incident response platform that gets smarter with every analyst action.

Denning Electronics has solved big communications, protection, and surveillance problems by providing sales and technical support to distributors, security system integrators, engineering design firms, architects, and system users. Their specialties include outdoor intrusion detection, video and audio surveillance, video/audio/data networks and transmission, access control, and ballistic/blast/chemical/acoustic barriers.

Dennis Sage Home Entertainment offers various home theatre and automation products such as Home Theatre Design and Installation, High Performance Audio and Video Systems, Home Automation and Control Systems, 24 Hour Security and Monitoring Services, Security Systems, Whole House Audio and Video. Their featured product is the Alarm.com which helps control all of one’s home systems with the touch of a finger.

Denso Wave is a globally renowned company in the development, manufacture and sales of instruments, including automatic recognition, industrial robots, programmable controllers and associated systems.

The Department of Homeland Security has a vital mission: to secure the nation from the many threats we face. This requires the hard work of more than 260,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Its duties are wide-ranging, and our goal is clear - keeping America safe.

DTCC is the premier post-trade market infrastructure for the global financial services industry. From 21 locations around the world, DTCC, through its subsidiaries, automates, centralises, and standardises the processing of financial transactions, mitigating risk, increasing transparency, and driving efficiency for thousands of brokers/dealers, custodian banks, and asset managers.

Depth Communications is a Minnesota company specialising in the service and installation of telecommunications and security needs, including service and installation of CCTV, video surveillance equipment, security cameras and alarm systems. Its technicians are trained and certified to install Axis and Bosch security cameras, which cover a variety of application needs, from rugged outdoor cameras for harsh climates to discreet products.

Designed Security, Inc. (DSI), a Detex Company, has been making quality security products in the U.S.A. for more than 30 years. The company offers a full range of access management products to fit building aesthetics while meeting today’s most demanding security requirements. DSI has developed custom and standard state-of-the-art security and access control solutions for corporate, commercial, government and industrial markets.