Cummins Inc., is a corporation of complementary business units that design, engineer, manufacture, distribute and service engines and related technologies. They provide a complete range of diesel engines from 260 to 600 horsepower (194-447 kW) for everything from ambulances to pumpers. They also offer a full range of hydraulic generators, power take-off (PTO) generators and standby generators.

The mission of the Cuyahoga Falls Fire Department is to provide the highest-quality professional emergency service, fire prevention and life safety education to the community. The Cuyahoga Falls Fire Department, or CFFD, has authorized over 80 members who actively work out of five stations to provide full-service fire protection and prevention, and emergency medical and rescue services to the citizens of Cuyahoga Falls and Silver Lake, Ohio.

Cy-Fair Fire Department provides professional-level fire & emergency medical services to the 164 sq. miles of HCESD #9 in NorthWest Harris County, in Texas, USA.

Cyber Systems Inc., an NFPA member is the largest and most recognized provider for fire and security services in America, operating in the United States, Caribbean, Mexico and Central America, working side by side with their clients and providers to make the world a safer place.

Cybrid Thrust focus on deep tech, and developed specialist expertise in systems with autonomous functions, advanced robotics and sensors, to solve the most challenging issues with innovative and out-of-the box thinking. Cybrid Thrust helps organizations from various industries to qualify, integrate and deliver turnkey solutions based on cutting edge technology.

Cygnus Systems is committed to driving fire safety through product innovation. Development continues on one of the world’s first completely wireless fire detection and alarm systems to create a reliable mesh network of detection devices, sounders, call points, and control panels. Cygnus Systems' wireless fire detection and alarm system is the mesh radio network for construction sites and other commercial environments.

DAB Fire Engineering design reliable gaseous fire suppression systems and components that give peace of mind to customers. Their cylinder valve design for carbon dioxide systems has been in used for over 40 years in land, marine and off-shore applications.

Dafo US is part of the Scandinavian Dafo Brand Group, which has over 30 years of experience designing and providing vehicle fire suppression systems. Dafo US sells the Dafo Forrex wet chemical fire suppression system to both equipment manufacturers, select end user customers and a growing distributor network throughout Canada and the US.

Dafoos Fire and Security is one of market leaders in the Fire Protection Industry in United Arab Emirates (UAE). Their core services are focused around - Automatic Fire Detection, Fire Suppression, Voice Evacuation, Access Control, Security and Surveillance systems – and in providing end-to-end design, erection and commissioning and maintenance of both active and passive Fire Protection Systems, Security Systems, Products and services.

Daimler Trucks North America, a Daimler Truck AG company, is the largest heavy-duty truck manufacturer in North America and a leading producer of medium-duty trucks and specialized commercial vehicles. Headquartered in Portland, Oregon, Daimler Trucks North America manufactures, sells and services several renowned commercial vehicle brands including Freightliner Trucks, Western Star Trucks, Thomas Built Buses, and Freightliner Custom Chassis.

Dakota fire extinguisher offers a wide variety of fire and safety related products - call us for all fire department, oil field, residential and commercial needs.

The fire department was founded in 1903 and is currently composed of 35 volunteer members. The department is a member of the State Firefighters & Fire Marshals Association of Texas. To maintain membership within the department, each member must maintain a certain percentage of calls, drills, and meeting attendance each year to stay in the department. The department is also a member of the Panhandle Firefighters & Fire Marshals Association.

Dallas Fire Fighters Association is the oldest, largest, and most diverse Fire Fighter Association. Representing the Professional Fire Fighters of the United States, Dallas Fire Fighters Association provides various services to enhance people safety.

Dallas Fire-Rescue exists to provide the citizens of Dallas with the most effective and rapid emergency, fire, rescue, and prevention services in an ever-changing environment. Their mission is to prevent and suppress fires, educate and rescue citizens, provide emergency medical services, promote public safety, and foster community relations.