Detectortesters is a globally renowned designer and manufacturer of state-of-the-art testing technology for fire detection systems. Their services include functional testing and maintenance of smoke, heat and CO detectors through a range of renowned brands including; Smoke Sabre, Solo, Testifire and Scorpion.

Devon & Somerset Fire & Rescue Service is the largest non-metropolitan fire and rescue service in the UK.

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.

DJI's flying and camera stabilization systems redefine camera placement and motion. High-end professional imagery is captured every day, in every corner of the world using DJI products.

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.

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

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.

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.

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.

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.

Drallim Industries Ltd. are an innovative technology driven British engineering company with global presence. They are innovator in technology and quality, providing engineering skills, manufactured equipment & custom-built systems for the Aerospace, Industrial and Utility markets.

- DripDrop ORS was invented by a doctor to save lives, which is why it is a trusted solution for those who need it most – medical professionals, the U.S. military, firefighters, and professional athletes. They specialize in Oral Rehydration Solution, ORS, Oral Rehydration Therapy, ORT, Hydration, Health, Dehydration Prevention and Recovery Services.