Digital Systems was founded in 1985 by a group of diversified, experienced, techno-commercial experts of electronics and electrical fields. Its focus is basically on fulfilling the customers’ security objectives, and its solutions.

Digital Video Technology is a provider of surveillance solutions to Bryan/ College Station region. The company specialises in remote access video solutions. It offers digital surveillance camera installation and service.

DWG is the United States' leading custom electronics, alarm and security wholesale distributor, offering a full line of video surveillance, access control, intrusion, sound, fire, home automation, and data connectivity products. The company supplies full line of quality products strictly to security, information technology (IT), fire, audio-video (AV) and electrical professionals throughout the United States.

Digital Witness C.C was established in 2004 when it became apparent that the many advances in the rapidly evolving surveillance industry were not being taken advantage of by local small to medium size enterprises. To this end the company has aligned itself with some of the most progressive researchers and manufacturers in the field, and with leading office equipment suppliers and installers.

As Windsor's premier cybersecurity firm, DigitalSecurity1 specializes in comprehensive penetration testing, advanced surveillance solutions, and secure software development. They combine offensive security expertise with defensive strategies to provide unparalleled protection for their digital assets.

Through their 24/7 Security Operations Centre, DigitalXRAID delivers cyber security strategies to organisations that enhance the security posture and reduce the risk, cost, and reputational damage of a breach.

With over 20 years of experience in providing turnkey security solutions for government, industrial, commercial and high-end residential clients, Digitronics Inc. provides project completion with quality control while reducing manpower requirements and aggregate project costs for clients. Being a UTC Fire & Security Security authorised Channel Partner, Digitronics has access to products, specialised training, and the support of UTC.

DIGITUS major part of the product range consists of the DIGITUS® brand, which includes active and passive network components, KVMs, cables, adapters and connectors, peripherals as well as innovative technical solutions. The comapny offer cabinet systems with power supply and air conditioning of data centers, connection and distribution components for glass and copper components, right up to pre-assembled fibre optic links.

Diligence BSB Forensic is one of the UK's leading independent Forensic service providers to the Police, Legal Profession, Corporate and Fraud Investigators. BSB assesses clients' CCTV systems or assists in purchasing decision or tender review, reporting in terms of systems ability to provide forensic material to be used in evidence. BSB Forensic offers a range of training courses covering forensic audio, video, document or fingerprint evidence.

Dimension Data is an African-born technology provider operating in the Middle East and Africa, offering a portfolio of services including systems integration, managed services infrastructure, cloud solutions, business applications, customer experience, and intelligent security solutions. It provides innovative solutions that optimise the evolving technology environments, enabling clients to leverage data in a digital age.

Dimension Productions Limited is a UK manufacturer of the handySet portable colour, battery powered test monitor, including the new HandySet technical portable test monitor. DPL is a design consultant for closed circuit television CCTV systems, project managers, technical writers for CCTV installations and programmers of bespoke software for the CCTV industry.

Direct CCTV and Security Systems Ltd specialises in design, installation and maintenance of best bespoke security systems for commercial and domestic market. Direct CCTV offers CCTV, access control, intruder detection, door entry, biometrics, integrated security, maintenance, and additional services. Robust security solutions are delivered for all types of business, to inspire confidence in protection of business premises and staff.

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.

Direct Security provides Integrated systems, CCTV, access control, door entry, intruder alarm, fire systems, personal attack systems, photo-id, vehicle recognition ANPR, structured cabling, networked systems, asset management, project management, data management, software development, consultancy, and system auditing services. Direct Security is an ISO 9002 quality assured company and NACOSS Gold and Construction Line accredited.

Established in 1982 Direct Security Systems has earned an excellent reputation for providing security products and services in Wolverhampton, Walsall and surrounding areas in West Midlands. The company provides high performance intruder alarms, area detectors for residential, commercial & industrial needs, control panels that react to change, access control systems, card readers & keypads, CCTV & 24 hour monitoring services, fire alarm systems.