Debusk Volunteer Fire Department is a fire department that serves the region of Greeneville, in Greene County, Tennessee, USA.

Decon7 Systems operates within the environment’s most dangerous pathogenic, chemical, and energetic hazards and threats. Decon7 offers the patented anti-microbial chemical D7 for cleaning, sanitizing, and disinfecting. D7’s adhesion allows for the longest contact time and was developed and formulated to be efficacious against a wide variety of organisms. D7 is used in a wide variety of industries, including biosecurity and public safety.

Decontex are renowned personal protective equipment (PPE) and safety gear suppliers. They have created a system that thoroughly cleans firefighters' uniforms after each intervention, significantly reducing exposure to toxic components.

The Decorah Fire Department proudly services the City of Decorah and the residents of Decorah, Glenwood, Canoe, Pleasant Townships and portions of Madison, Bluffton, Burr Oak, Hesper, Highland and Springfield townships through an agreement with the Decorah Rural Fire Protective association

Dedrone GmbH develops drone detection technology. Based in Germany, the company's DroneTracker guards against spying, smuggling, potential terrorist attacks and invasions of personal privacy. Dedrone GmbH spreads on 3 continents with a common goal: to make the airspace safer.

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.

The Defense Logistics Agency manages the global supply chain from raw materials to end-user to disposition for the Army, Navy, Air Force, Marine Corps, Coast Guard, 11 combatant commands, other federal agencies, and partner and allied nations.

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.

Delau Fire Services are providers of Home Sprinkler Systems, Fire Alarms, Fire Extinguishers, Kitchen Hoods, Clean Agent Systems, Emergency Lighting and CO2/Helium.

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 Fire Systems was formed in 1963 by two fire protection engineers, William A. Pickett and Nels C. Sparr. Overtime, Delta Fire has grown to be one of the largest and most respected fire protection contractors in the inter-mountain area.