Datacomm Express is a leading provider of end to end security technology equipment in Nigeria. The company consults, supplies and installs video surveillance equipments, fire safety and protection equipment, home automation and alarm systems, access control solution including biometric, password control devices.

DataGear is a provider and integrator of IP video surveillance systems. Their approach to integrating state-of-the-art camera systems is unique because they offer systems on both wireless and wired networks. Their integration methodology will not only save customers in hardware costs, but on installation and on-going maintenance costs as well. DataGear ensures proper network connectivity and power sources utilisation for successful installation.

Data Link Technology Services, LLC (Data Link) is a voice and data communications infrastructure design, installation and service company. It is a structured cabling company for voice, data, video, sound and security. The company offers services for security systems, CCTV, access control systems and more.

DataWorks Plus provides law enforcement and criminal justice technology. They offers several options for biometric identification: iris, tattoo, voice, facial, and fingerprint. Biometric identification provides accurate identification and verification of individuals for booking and release, watch list, investigations, and inmate tracking.

Datec are solution providers with a strong local market understanding and service presence. Datec has successfully aligned ICT solutions and Business Services implementations across all business verticls in PNG with the rest of the world ranging from network consultancy and remote server management to application development and training.

As the globally renowned provider of cloud-based software and security solutions purpose-built for delivery by managed service providers (MSPs), Datto believes there is no limit to what small and medium businesses (SMBs) can achieve with the right technology.

Since its formation in 1989, Davies Security Group has been designing bespoke security systems for its clients from all areas of the marketplace. From standalone Fire, Intruder and CCTV systems to PC-based integrated solutions, Davies Security can provide for all specifications, incorporating the latest technology from the fast moving security sector designed individually to accommodate present and future security needs.

Davis Mergers & Acquisitions Group, aka, The "Graybeards," is the leading Mergers & Acquisitions firm in the Alarm and Integration industry. They've guided hundreds of alarm company owners to successful sales to the right buyers for over 30 years. Founder and owner, Ron Davis, is a well-known and popular speaker, educator and author throughout the industry.

Davis-Ulmer Fire Protection is a U.S.-based provider of integrated fire protection, electronic security, and life safety solutions. In addition to its fire protection expertise, Davis-Ulmer provides electronic security systems designed to protect people, facilities, and critical assets. Its security offerings integrate advanced surveillance, access management, intrusion detection, and professional monitoring.

DCI was started by a group of young entrepreneurs with an objective of providing electronic security systems / products at best price and support. At present, they are engaged in the field of security surveillance systems, security control systems, access and attendance recording systems, fire safety alarm systems, CCTV and home appliances & healthcare products.

DC Professional Systems specialises in custom electronic systems installation & integration for home and office. They also provide installation and maintenance of access & control your security system, video cameras, audio system, thermostat, lighting & more using computer or smart phone, from anywhere.

DC Solutions is a CCTV installer based in Luton.

At DDS (Digital Direct Security), they are passionate about delivering high-quality security solutions that give users peace of mind. With over 20 years of experience in the industry, they have established themselves as a trusted name, supplying high-quality products for next-day delivery throughout the UK to installers and resellers.

de Jong SICHERHEIT & IT GmbH is an innovative system house for security, information and network technology and develops, among other things, intelligent solutions for hygienic access to buildings and rooms.

DEALPIX is a company that boasts technical and commercial expertise in design, integration and marketing of components and video solutions. The company is experienced in areas of imaging, such as video surveillance, optronics, security, machine vision and related markets. DEALPIX provides services for energy, security, transport, video surveillance and industrial markets.

Deedoc Consulting offers an array of security consulting services, such as auditing and vulnerability assessment. DeeDoc’s security training programs help ICT professionals gain vital skills and expertise that can be used to immediately safeguard against security threats in their different environment.

- Founded in 2009, Deep Secure is privately owned UK-based security software solutions firm. Services offered include Content Threat Removal, Content Transform, Policy Enforcement, Cyber Security, Data Security, Email Content Security, Web Content Security, Portal Protection, and Deep Content Inspection.

Deepak CCTV Solutions a system integrator in Chirala, Ongole, India. They install all types of CCTV camera, IP camera, access control, and other security systems.

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.

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.

Defigo reimagines the way people access buildings. Their unified digital access solution combines a wireless video intercom with keyless mobile entry, all managed from a single, streamlined system. Built with an open API, Defigo works seamlessly with existing building technologies, empowering property managers with real-time oversight and providing residents a simple, secure way to greet visitors and unlock doors.