Cyelcor Ltd offers solutions such as CCTV, Intruder Alarms, Security Smoke Systems, Fire Alarms, Access Control, Video Door Entry Systems, Smart Home Automation, Oil & Gas Telemetry, Systems, Automated Swimming Pool Dosing. The company also provides consultancy services for home and business owners.

Cygnus SD specialises in providing quality CCTV – IP and analogue – , access control products and accessories to the UK security trade.

Cynat are an end to end security and automation solution provider for all type of commercial, industrial, organisational and domestic establishments. It deals in all type of CCTV, access control, time attendance products, fire alarms, fire hydrants, intrusion alarms, PA systems, GPS based solutions and customised software.

D-Flex Strategic Solutions Inc., specialises in data centre management systems and is a well-known transmission equipment distributor in the Philippines. The company offers copper cabling, fibre cabling as well as accessories and racks.

D-Ron Group is a leading technology solutions provider that delivers end-to-end solutions to transform its customers' ICT infrastructures. Headquartered in Singapore, the company provides a holistic suite of ICT, Surveillance Products and Services. The company is now the region’s trusted brand for the Security and Surveillance sectors. Their regional network span across Malaysia, Taiwan, Thailand, and China.

D.W. Rourke & Associates specialise in access control, CCTV, intrusion and ULC listed alarm monitoring for both commercial and industrial clients. Operating out of Calgary, Alberta since 1985, D.W. Rourke & Associates were one of the first authorised dealers of the AMAG product line in Western Canada. Over time the company's products and services have evolved to include the industry leading standards in security systems.

Dakak integrated systems is one of the most prominent security solutions firms in Egypt, delivering up to date products, providing cunning consultations, tailoring solutions to fit situation at hand for leading corporations and institutions throughout Africa and the Middle East. The company serves has a strong presence in aviation services, public safety, data centres, energy infrastructure and government facilities, among others.

Dakota Alert is a leading manufacturer of wireless alert products. The MURS products allow you to communicate and monitor activity over long distances. The base station radio and the hand held units are perfect for security personnel and the accompanying transmitters allow for complete monitoring of all properties.

Danaide SA is a company dedicated to providing turnkey electronic security technology solutions. The Argentina based company offers video surveillance, commercial vehicles with embedded video, capture license plates, access control, fire and alarm detection and intrusion detection to private or government sector.

As a privately held software company and biometrics industry leader, Daon was founded to build biometric software products that would allow people to authenticate themselves in person or online in a secure, convenient and flexible manner, thus eliminating the threat of security breaches and device fraud. Daon offers IdentityX Platform, a universal authentication platform for mobile devices.

DAS Technology can design, install and maintain security systems for a wide range of uses from homes, shops and offices to shopping centres, schools and car parks. They provide bespoke security solution that meets your needs, and all completely hassle free. Their nationwide network of engineers is trained to the highest standard in order to install security systems with a professional, efficient and reliable service.

Data Security Solutions offers world leading software and hardware solutions together with full range of services related to these solutions (IT consultancy, IT Security audit, selection and evaluation of the solution which fully fits requirements of the customer, implementation and technical support of the solution based on ISO/IEC 2700* standards).

"Databytes Consulting Tech is a specialized team providing comprehensive IT infrastructure solutions, including Telecom, Connectivity, Network, Hardware, Boardroom Collaboration, Cloud, and Security services. They cater to startups and emerging enterprises, offering secure, seamless, and scalable integrated solutions and managed services.

Datacom is a Texas based manufacturing representative to the structured cabling, wiring and security industries. It provides a complete, end-to-end communications and security solutions services to clients. Headquartered in Dallas, Texas, Datacom Sales and Associates, Inc. effectively services the Texas, Oklahoma, Arkansas and Louisiana market areas and maintains additional offices in Houston, San Antonio and Austin, Texas and Tulsa, Oklahoma.

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.

Founded in 1996, DataStrait Networks helps connect everyone involved in the data communications infrastructure business. DataStrait Networks is now offering 3VR products to security dealers throughout North Dakota, South Dakota, Minnesota, Wisconsin, and northern Illinois. It has introduced game-changing new technologies, installation practices, supply chain management, and network design.

Davas Group is the specialist in providing the widest range of home security systems throughout Brisbane, with the highest standards of customer care and support. Davas Group has completed projects ranging from securing mall family homes, to creating monitoring solutions for open-plan retail premises, to completely overhauling the security and automation on large sprawling residences with extensive grounds.

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.