The Clayton Fire Company is an all volunteer fire company that was founded in 1891 and has been serving the area since then. The fire company is made up of 146 members of whom approximately 70 are active members. The company is made up of several different types of membership to fit every need.

Cobb County Fire and Emergency Services provides superior fire, rescue, and emergency services to the citizens and visitors of Cobb County in a proficient, professional, and compassionate manner. They continuously promote life safety within the county by practicing prevention, planning, education, and training.

CCI is a Fire Protection Engineering and Life Safety Consulting firm that adds value to the projects for which they are retained by providing the highest quality, most creative state–of–the–art concepts, solutions, and engineered designs.

Cofessco Fire Protection is West Michigan’s largest fire protection company. Cofessco Fire Protection personnel are trained, tested, certified and licensed. They provided Fire sprinkler systems, Fire alarm systems, Kitchen exhaust hood fire suppression systems, Special hazard fire suppression systems and much more.

Columbus Fire & Safety is a diverse fire protection and safety company that is committed to providing its customers products and services necessary to meet their fire protection and safety requirements. The company's professional staff performs commercial and industrial installations, inspections, repairs, and service for building fire alarm systems, special hazard fire suppression systems, and kitchen vent-hood fire suppression systems.

Complete Fire Protection is based in the Dallas-Fort Worth metroplex and proudly serves all major Texas markets. They provide quality water based fire protection systems, Fire Sprinkler Systems, Inspection, Install, Service, Annual Inspections, 24 Hour Emergency Service, and Fire Sprinkler System Retrofits.

Complete Fire Protection, Inc. is a full service and licensed fire sprinkler company helping thousands of commercial, industrial and residential building owners located in the Southwest. In addition to the installation of new sprinkler systems the company handle all repairs, tests, and inspections for existing facilities to meet all the users insurance requirements.

Located in Attleboro, MA, Comtran is a provider of specialty cable and system solutions for a variety of applications, including structured cabling, fire safety, circuit integrity, and transit communications.

Confires is a renowned fire protection company in the US regions of New Jersey (NJ), Delaware (DE) and Pennsylvania (PA).

Connecticut Fire Equipment, Inc. is a full service fire protection company. The company provides fire extinguishers testing and training, fire sprinklers and sprinkler system, fire pumps, fire suppression systems, fire alarms and fire alarm monitoring training services.

At Continental Fire Sprinkler Company, the company's mission is to save lives and protect property. Services include fire suppression, installs, services and inspection of fire protection systems with the highest commitment to customer safety and satisfaction.

Cox Fire Protection, Inc. has been providing a full range of fire protection services throughout the state of Florida. Formed in 1984, and now certified by the state of Florida as a Minority Business Enterprise, Cox Fire has successfully designed, fabricated, installed, and maintained fire sprinkler and protection systems of all types in some of this area’s most recognizable buildings.

Founded in 1982, Cressoni Impianti Tecnologici (Cressoni) have been offering the best services for the construction of industrial and civil electrical systems. Thanks to the experience acquired, technological innovation and staff training, Cressoni are able to present turnkey solutions for both the electrotechnical, electronic, electro-hydraulic and photovoltaic sectors.

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.

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.

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.

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.

Davis Fire Protection offers fire protection services throughout the state for both commercial and residential clients. Rely on their experienced crew for fire system inspections, fire protection system testing, and fire sprinkler repair in California. They are also well-known for their comprehensive engineering of full-scale fire sprinkler installations for all fire protection systems.

Davis-Ulmer provides a wide range of fire safety services, including sprinklers, suppression and detection.

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.

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.