Direct Protect Security & Surveillance provides state-of-the-art security systems for residential and commercial buildings. They also offer advanced technology video surveillance capabilities, burglary and fire system notifications, two-way voice technology and medical alert monitoring solutions.

Direct Recruiters Inc., specialises in recruiting employment candidates and executive search for electronic security and physical security industry companies. With today’s ever growing need for security at airports, government agencies, banking, commercial areas, utilities, university campuses and healthcare facilities, there has been tremendous growth in companies that provide electronic and physical Security solutions.

Directed Perception was founded with a mission to be a leading manufacturer of innovative devices and software for the intelligent control of sensors and sensor processing. The Company's patented products are used in a wide range of industries including security & surveillance, industrial automation, robotics, communications, military/aerospace, law enforcement, education, R&D, webcams, and teleconferencing/distance learning.

Based in Boca Raton, FL, DirectView, Inc. is a leader in the area of security-related services for residential, commercial and industrial locations across the US. In business since 1995, DirectView has grown to be one of the mostly highly recognised providers of security solutions for a broad range of industries including hospitality, banking, aviation, processing/refining, and manufacturing/logistics.

DISH Network is a renowned provider of satellite television, DVR, HD and international programming in the U.S.A They also provide satellite broadband service, IoT, wireless, tv, technology, connectivity, communication, and television services.

DITEK Networks is the first line of defence for Video Surveillance, Fire, Networking, Communications, Intrusion Detection, Access Control and AC Power systems. They have led the industry in the design and manufacturing of surge protection solutions for over 30 years, incorporating the latest technologies for maximum performance and protection.

DITEK Corporation has been the industry leader in the design and manufacturing of surge protection devices and systems for more than 20 years. DITEK provides total surge solutions for low voltage CCTV, fire and intrusion, access control, and voice/data/signal applications, including VOIP and POE.

Diversified is a full-service systems and media technology integration company, originally addressing the technical needs of the broadcast, audio-visual, IT and RF market segments. The company is also a technology solutions provider of innovative digital media, collaborative broadcasting, electronic security, and OTT solutions to a wide array of markets including financial, media & entertainment, enterprise, energy, technology and healthcare.

Division 28 Consulting, LLC is an independent security consulting and design firm. The company keeps up with the latest security consulting technologies to suit their client's needs. Their name, Division 28 Consulting, LLC is based on the security related systems contained within the CSI security section Division 28. However they do not design Fire Alarm systems.

Dixon Security provides Salt Lake City, Utah and the surrounding area with Digital Recording Security Systems using the latest cctv equipment, (PC and Linux Stand alone DVR/NVR Security Systems), Remote video surveillance over the internet, surveillance over laptops, tablets, and smart phones.

DM Network Video is the IP surveillance arm of Dedicated Micros, the world class manufacturer of DVRs and video servers. DM Network Video provides differentiated IP video surveillance solutions that can grow from a single camera to a full enterprise-scale system and offers features and benefits unique in the market.

DNF Security is a leading manufacturer of dependable, mission-critical video surveillance solutions. Each DNF Security video solution is designed to handle the most complex video surveillance and physical security environments. The company offers a comprehensive range of products that provide enhanced storage protection, redundancy, high availability, and superior scalability in each cost-effective configuration.

Domo Tactical Communications Broadcast is a global MNC engaged in the development, delivery and support of high-tech video surveillance, IP Mesh, Covert Audio and Video, integrated surveillance, maritime security and robotics solutions.

The Doorman 24 solution by Visentry is a cost effective Turn-key solution for residential and commercial buildings that do not have a doorman on premises to open the front door and accept deliveries. The Doorman 24 service is implemented via the use of video and audio over the internet and a connection to the Doorman24 Central Station.

Dopoint is one of leading supplier for totally display solution including TFT LCD Panel distribution. The company is franchise of LP-Philips,Samsung,Optrex,Mitsubishi,Sharp TFT LCD Panel with Strong R&D and Marketing of VHD LCDs .

Dot Hill Systems Corp. is a recognized leader in software and hardware solutions for storing, sharing, protecting and managing data.Dot Hill’s solutions combine storage software with the industry’s most flexible and extensive hardware platform to deliver best-in-class SAN storage solutions with Five 9?s of availability.Dot Hill’s pillars of innovation include software, platforms, and systems, which combine to create advanced SAN storage.

Since 1998, the Dotworkz has been known for producing "professional grade" outdoor extreme climate camera protection solutions, "software ready" NVR machines of all sizes and even hosted services. For over 13 years, Dotworkz has been designing outdoor products to work with all the industry's leading brands of cameras, software, wireless, fiber links.

Dowley Security Systems is a leading provider of turnkey technology integration and electronic security systems. Dowley delivers resilience, embraces preparedness, guarantees continuity, and increases the efficiency of operations for critical infrastructure and commercial markets with a full range of design, installation, service and support solutions.

Doyle Security provide commercial, residential and medical alarm systems, CCTV, access control and safe & lock services and products. Doyle Security is in business to help protect client's from intruders, theft, fire, carbon monoxide gas, and water damage. The company's security solutions comprise: burglary detection, fire protection, video surveillance and secured monitoring.

DR Security are a company specialising in the import and distribution in Mexico of the most advanced security products.

Dragonfly Aerospace is an industry leader in world-class, high-performance imaging satellites and payloads. Their turnkey solutions get these strategic assets operational on orbit with the minimum time, cost, and risk. Their imaging solutions enable our customers to create persistent views of the Earth in a wide range of spectrums for unprecedented business intelligence that helps improve the lives of people around the world.