Deutsche Telekom provides fixed-network/broadband, mobile communications, Internet, and IPTV products and services for consumers, and information and communication technology (ICT) solutions for business and corporate customers.

Didactum® Security GmbH offers intelligent monitoring solutions for the Environmental and IT Monitoring. The field-proven monitoring hardware is used in many businesses and institutions. Through video surveillance and access control systems the access to sensitive facilities and rooms can be centrally monitored and controlled.

Diehl Aviation is a global supplier of avionics and cabin integration equipment. The company also provides equipment for galleys, lavatories and monuments, sanitary solutions for aircraft, fire prevention, water supply and air-conditioning. Diehl has supplied products for a wide range of companies from Airbus and Boeing, to Bombardier, Embraer and Gulfstream.

DIGITTRADE GmbH, headquartered in Teutschenthal, develops and produces external hard drives and USB flash drives with hardware encryption to protect business and personal data extensively and safe from unauthorised access. DIGITTRADE also offers Smartcard Manager 2 software to manage all existing HS hard drives and smart cards centrally and clearly.

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.

DIRAK provides industrial enclosure hardware, developing, manufacturing, and distributing components for rack and enclosure construction. They specialise in latching, hinging and gasketing products which can function either mechanically or electronically.

DISPONIC is a specialised software platform for security-service companies, developed by BITE AG, a German software company based in Filderstadt. The platform is designed specifically to manage the operational and administrative requirements of guarding and security businesses. It is used for workforce management, guard monitoring and operational control.

DOI focuses on solving problem using state of the art video technology as well as providing professional knows-how. DOI will help you to develop and design efficient video solutions to guarantee customer satisfaction. Some of its services include with sales training with technical background, key account management and logistic and RMA service.

DOM focuses on three essential areas of expertise: hardware, software and mechatronics, developing the highest quality mechanical and access control solutions. The product spectrum ranges from practical security solutions for detached houses to modern electronic access control systems for large buildings.

DoorBird IP Video door stations are the pioneer when it comes to innovative technology and design. Because of its specially developed encoding, packaging, and transport technology, only 450 KBit/sec are needed for excellent audio and video quality. DoorBird works reliably even if a smart device has only a moderate internet connection.

As an independent communication technology expert DRYNET can advise regarding choice of communication services and equipment, methods and best practices, third-party software integration, etc. It can also perform analyses and offer advice based on a customer’s requirements, configuration, and traffic volumes.

Germany's DTE-Sicherheitstechnik GmbH provides intrusion detection systems, fire alarm systems, video surveillance, access control, time recording, telecommunications and safe equipment for safety and the protection of clients . Whether at home or in business. since the communication possibilities are getting bigger the company also offers alarm transmission via TCP / IP to video transmission on mobile devices such as smartphones or tablet PC.

Dürr is one of the mechanical and plant engineering firms with outstanding expertise in the fields of automation and digitalization. The long-established brand has been a byword for continuous innovation since 1896, with a wide range of products in robot, process, and assembly technology for all areas of vehicle production, focusing on painting and final assembly lines.

DWW Alarm and Safety Systems GmbH was founded in 1984 in Düren. The company offers companies and individual customers advice/planning, construction, and maintenance services in the field of safety engineering. DWW's range of services consists of Intrusion detection systems (VdS), Fire alarm systems (VdS), Video surveillance systems, Access control systems (VdS), Time Management, Information and communication transmission techniques.

E-LINE by DIRAK develops, produces and distributes mechanical and mechatronic hardware solutions for industrial enclosures that are developed for today’s applications, as well as those yet to come. Its mission is to design products today that become industry standards tomorrow. In order to meet its goals, DIRAK employees over 500 people globally owns and operates 6 production and assembly facilities.

e-shelter security has been planning and implementing security and facility management solutions since 2003. They combine state-of-the-art technologies from video surveillance and analytics, access management, fire alarm and fire extinguishing systems, as well as perimeter and intrusion protection solutions. In addition to technical services for security and building technology systems, e-shelter delivers innovative campus and security services.

ECOM instruments GmbH is now one of the world’s leading manufacturers of mobile devices for use in explosive areas. Reputable, professional, competent, and reliable: this is what their customers from all over the world have come to expect, whether they are involved in chemicals and petrochemicals, pharmaceuticals, oil and gas production or mining.

As an internationally active company, ecos systems has been offering comprehensive solutions for secure electronic key and object management since 2002. Through continuous innovative further developments and integration of state-of-the-art technologies, ecos systems is the leading company in the field of electronic key and object management.

Ectacom is value added distributor for IT and data security solutions for protection against sabotage, espionage and cyber crime. Ectacom's portfolio includes state-of-the-art solutions for endpoint and gateway security, IT forensics and data management.

EFB Elektronik with headquarters in Bielefeld has been developing, manufacturing and selling structured cabling in optic fibre and copper technology for over 25 years. Since 2006, EFB Elektronik has been also successfully selling IP cameras and planning extensive monitoring solutions. EFB presents solutions for video monitoring and monitoring systems such as IP, analogue, HD-SDI, system accessories, etc.

Eff-Eff is the world's competent partner for mechanical and electromechanical security solutions for safety, security and comfort in the building. The company develops, produces and sells under the established IKON and effeff brands high quality products and versatile systems for private, commercial and public sectors.

ela-soft develops management systems for security, building and communication technology. Their services range from development of specialised software and hardware solutions to offering service and project control for their customers during the system start-up phase. Their GEMOS system integrates all technical subsystems into a central, simple-to-operate interface, making ela-soft a market leader in the sector.

Elektrobit (EB) is an award-winning and visionary global supplier of embedded and connected software products and services for the automotive industry.

Elettronica, founded in 1951, is one of the European leaders in the production of Electronic Defence equipment (EW). The experience in the design and production of EW equipment and systems acquired in over 50 years guarantees reliable, effective solutions able to satisfy the changing needs of modern defence. Elettronica supplies all solutions, systems and products in the EW field: from interception capacity to surveillance of risk areas.

Elgato is a pioneer in audio-visual technology for the rapidly evolving workspace. From conference rooms to home offices, their video, sound and lighting equipment brings people together, and their productivity tools make workflows smarter. Powered by decades of expertise in hardware and software design, they create intelligent solutions for professionals in business, education, healthcare, hospitality, entertainment, and countless other sectors.

EMDION Safety Systems is a technology company that specialises in security technology and is based in Emden in northern Germany. They have an expert team that combines decades of experience, numerous reference projects and trend-setting innovations in the international landscape of security technology.

Empolis Information Management GmbH is a renowned Information Technology & Services company, considered one of the pioneers of Artificial Intelligence in Germany. Their software represents comprehensive creation, management, analysis, intelligent processing and provision of all relevant information needed for business processes, regardless of source, format, user, location or device.