DEF is an independent French company established in 1958 and specializing in fire safety system solutions and services. DEF supports projects of all sizes, from design, production, installation and commissioning through to maintenance and future-proofing of solutions.

Defence Medical Services (DMS) is made up of the Royal Navy Medical Service, Army Medical Service, the Royal Air Force Medical Service and the Headquarters DMS Group (HQ DMS GP). The primary role of the DMS is to promote, protect and restore the health of the UK armed forces to ensure that they are ready and medically fit to go where they are required in the UK and throughout the world.

Defender was founded in the years 2000. They manufacture fire suppression solutions. They are now established in around the world to bring the best kitchen suppression system in every kitchen. Their product is Certified LPCB.

Defensor Life Safety Systems provides a complete solution for all commercial fire detection and alarm system needs. They are specialists in commercial fire alarm systems. Boasting an unrivaled depth of skill and experience, coupled with an emphasis on customer service excellence, Defensor supports businesses by protecting people and property, because there is nothing more important than life safety.

Defsys is an Indian systems integration company leveraging its capabilities to provide advanced solutions for a variety of defense and aerospace applications. We are a privately held entity having valuable experience in design, manufacture, and integration of advanced electronic systems.

The Delta Fire Department is a full volunteer organization that has served the needs of Delta City and areas of western Millard County, dating back to 1941, when a hearty group of individuals determined there was a need for fire protection, and they set out to fill that need.

Established in 1996, is one of the core fire and life safety engineering organization awarded by Maharashtra Fire Service as a License Agency under MFS-LSM Act and Rules. They provide service and maintenance of pumps, automated fire sprinklers, water mist systems, fire hydrants, hose reels, fire doors, foam firefighting equipment, monitors, nozzles, fire detection and alarm systems.

Delta Fire Protection and Equipment distributes, designs, installs and maintains a full range of fire protection equipment and services. Delta Fire Protection and Equipment serves clients throughout the state of California and provides portable and fixed fire extinguishing equipment and maintenance services to commercial, industrial, retail, residential, petro-chemical and marine customers.

Delta Process Equipment is a pioneer in the field of fluid and gas handling and water / wastewater equipment providing both sales and service. They represent pioneer companies in the manufacture of pumps, packaged pump stations, blowers, vacuum pumps, process gas compressors, filtration equipment, and sewage treatment plants and water treatment plants.

Denny's Fire Control has been meeting the Fire Safety needs of Northeastern Illinois and Southeastern Wisconsin. They provide high quality extinguishers and service to help people stay compliant.

DENSO is one of the world's largest automotive suppliers of technology and components found in almost all vehicles around the globe. Their staff work across global offices and plants to innovate and advance the future of Connected Cars, Automated Drive, Shared Mobility and Electrification. DENSO is building a mobility future that enables freedom of movement, eliminates accidents, revitalizes the environment and enriches society.

The Denver Fire Department conducts inspections of the City’s commercial occupancies including: businesses, schools, apartment buildings, and institutions. The goal of inspections is to ensure compliance with the Denver Fire Code. Annual Fire Safety Inspections allow the Denver Fire Department to maintain the highest ISO Rating.

At Dependable Fire Equipment, they offer complete fire protection services including sales, installation, service, maintenance, training, and consulting to businesses throughout Chicagoland and the surrounding areas.

Desert Fire is a three generation family business serving the Coachella Valley since 1971. Desert Fire has a stellar reputation for providing the best service at a reasonable price. Whether it’s fire extinguishers, fire alarms, fire suppression systems, fire sprinkler tenant improvement, inspections, certifications or ground up systems.

Established in 2005, Desu Systems BV specializes in Flame and Gas Detection & Kitchen Fire Suppression and is the Master European Distributor and Channel Partner for Spectrex SharpEye Optical Flame Detection, SafEye Quasar Open Path Gas Detection, ESP Safety Vector and SGOES Point Gas Detection, Hansentek Spark & Ember Detection, Sensia Infrared Thermal Imaging (OGI) solutions and Buckeye Kitchen Mister restaurant fire suppression.

DetectFire is America's largest independent designer, manufacturer and distributor of advanced UL Listed Fire Detection System, and UL Listed Addressable Detectors & Alarm, Voice Evacuation & Communication Systems, and Controlled Access & Security solutions, UL Listed Agent Release Panel serving the global marketplace.

The Detroit Fire Department provides a safe environment for Detroit’s citizens and visitors through public education enforcement of fire codes and deployment of efficient emergency response resources.

DI Fire & Safety, Inc. is based in Danville, Illinois. DI Fire & Safety provides superior extinguisher and fire safety products coupled with unparalleled customer service and technical support. They provide fire extinguishers service, installation and maintenance, kitchen suppression systems and much more.

Divera AI determines the availability of employees and emergency services, eg firefighters, police officers, doctors, paramedics and THW helpers. The company develops AI-powered strategies to enable the companies to have fast, profitable, sustainable growth.

Diversified Fire & Safety, Inc. is a full service fire protection company providing the inspection, repair and installation of fire and life safety systems (fire extinguishers, kitchen suppression systems, clean agent suppression systems, fire alarm and fire sprinkler) throughout the Southeastern United States.

DMB FIRE AND SAFETY ENTERPRISE INTERNATIONAL INC. is dedicated to manufacture and provide good, dependable, reliable and efficient fire fighting equipments. For over a decade of hardwork and commitment, DMBFASEII continue to produce fire fighting equipment using its long standing tradition of excellence.

DMG Consulting LLC is a firm specializing in contact centers and real-time analytics. They are a strategic advisor to end-users and vendors, large and small. They assist management in optimizing the performance of their contact centers by increasing operational efficiency, providing an outstanding customer experience, enhancing loyalty, and increasing sales and profits.

dnD Fire Protection Inc. is a full-service protection partner. Their team of expert engineers and technicians provides inspection, maintenance, repair, remodeling, and consulting services for the facility of fire safety equipment and systems.

Dnieper Fire are leading the change and believe in innovation, smarter design and seamless ways of working. Their offerings range from individual products and services to fully integrated solutions with a single interface to ensure seamless execution.

Domestic Sprinklers offers a full design and installation package for fire sprinkler systems in new build or retro residential and domestic properties.

Don Brenton’s Fire Protection offer engineering design, project management and integrated logistics support services as part of a total procurement package for marine/shipboard and off-shore solutions. In addition, they provide a complete line of Conventional and Special Hazard Fire Detection and Fire Suppression Systems, along with portable fire, fixed fire and semi-fixed fire extinguishers.

Doors UK are external and internal door specialists, and provide bespoke doors and door solutions. They manufacture in-house from their Warwickshire-based factory units and deliver direct to the customer - whether that be for trade or domestic purposes.

Dormakaba offers high-quality products and services for secure access to buildings and rooms – now all from a single source. They have over 150 years of experience in the secure access control industry with a reputation for superior security, sustainability and reliability.

The new combined Dorset & Wiltshire Fire and Rescue Service came into being on 1 April 2016, and now serves the local authority areas of Bournemouth, Dorset, Poole, Swindon and Wiltshire. They are ‘passionate about changing and saving lives’ – and are excited by the possibilities that are now open to them as a larger Fire and Rescue Service.

Douglas City Volunteer Fire Department provides firefighting, protection and rescue services in the Douglas City region of California, USA.