DÖKA develops and produces portable and wheeled fire extinguishers for almost all purposes. Besides the common fire extinguishers with extinguishant powder, foam, water and carbon dioxide, the company also manufactures mobile extinguishers and special extinguishers in various designs. The products cover preventive fire protection in industrial, commercial, administrative and even in private homes.

Dolan’s Fire Protection Supply, LLC is a New Jersey-based wholesaler of fire protection equipment marketing exclusively to contractors who sell and service hand portable fire extinguishers and fire suppression systems.

Domestic Fire is known to supply, install, service, certify, repair, and maintain Backflow Prevention Systems, Wet Sprinkler Systems, Dry Sprinkler Systems, Deluge and Pre-Action Systems, Foam Systems, Fire Pumps, Kitchen Suppression Systems and Portable Fire Extinguishers.

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.

Dorplan is a pioneering provider of 3rd-party accredited doorset solutions and ironmongery, committed to delivering high-quality products and exceptional service. With the introduction of SignetFire, Dorplan continues to innovate and set new standards in the industry, ensuring safety and reliability in every project.

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.

Dosteen is a doors and logistical solution provider and they cater to the Commercial, Industrial, Residential, Defence, Oil & Gas applications in the UAE and Oman. They provide Roller Shutters, Lateral sliding fire shutters, Sectional overhead doors, High Speed Panel Doors, Fire Curtains, Smoke Curtains, Blast proof doors and many more.

Double D Piping, LLC provides full service commercial, industrial and residential fire protection services to the southeast, holding unlimited licenses in five states.

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

DPJ Fire and Security Limited is an independent fire and security solutions company that offers a level of expertise, technical competence and customer service. With DPJ customers save costs by combining fire and security maintenance requirements. They offer services for fire alarm systems, fire doors, fire extinguishers, fire & safety signage, fire stopping, etc.

DPJ Fire and Security Ltd is an industry leading fire, security and electrical solutions specialist offering an unrivalled level of technical expertise, technical competence.

Dr. Frank Seipelt Handelsvertretungen is an agency that provides products for agricultural and environmental set up. They are known to provide a range of flexible storage tanks that are suitable for the temporary storage of liquids and can be completely emptied and easily transported using the winsystem roll-up system.

Since 1886, Dr. STHAMER has been a family owned and managed company with headquarters - including R & D and production facilities - located in Hamburg, Germany. They supply synthetic and protein based fire fighting foam agents and wetting additives to the fire safety industry. Also part of their business is the production of foam concrete additives for the construction industry.

Dragon Fire & Security Systems offers a range of fire protection services in Cardiff and professionally handle everything, from consultancy and design to installation and maintenance. It is also an independent fire and intruder alarm expert.