Fire protection systems
UL is the recognized leader in developing standards and certifying products used in fire extinguishing, detection and annunciation systems; smoke control systems; and systems that assist emergency responders.
Automatic sprinkler systems
Manufacturers of certified products and related information.
Accelerators & exhausters Information Manufacturers
Alarm valves Information Manufacturers
Check valves Information Manufacturers
Control valves, double interlock Information Manufacturers
Control valves, flow cycling Information Manufacturers
Control valves, special system Information Manufacturers
Covers Information Manufacturers
Dry pipe valves Information Manufacturers
Fire department connection Information Manufacturers
Fittings Information Manufacturers
Guards for sprinklers Information Manufacturers
Metallic sprinkler pipe Information Manufacturers
Nozzles, fixed spray Information Manufacturers
Pressure gauges Information Manufacturers
System control ball valves Information Manufacturers
Water meters Information Manufacturers
Water meters, residential Information Manufacturers
Sprinkler field testing and additional information Learn more.
Standpipe systems
Manufacturers of certified products and related information.
Check valves Information Manufacturers
Fire department connection Information Manufacturers
Fittings Information Manufacturers
Hose cabinets, racks & reels Information Manufacturers
Hose valves Information Manufacturers
Indicator post, gate valve Information Manufacturers
Metallic sprinkler pipe Information Manufacturers
Pressure gauges Information Manufacturers
System control ball valves Information Manufacturers
Portable fire extinguishers
Manufacturers of certified products and related information.
Antifreeze solution Information Manufacturers
Carbon dioxide Information Manufacturers
Clean agent Information Manufacturers
Combustible metals Information Manufacturers
Dry chemical Information Manufacturers
Liquefied-gas-type Information Manufacturers
Water-based agent Information Manufacturers
Water-spray Information Manufacturers
Wet chemical Information Manufacturers
Fire alarm and detection systems
Manufacturers of certified products and related information.
Audible signal appliances Information Manufacturers
Control units Information Manufacturers
Control unit accessories Information Manufacturers
Control units, releasing device Information Manufacturers
Pull stations Information Manufacturers
Releasing devices Information Manufacturers
Releasing device accessories Information Manufacturers
Speakers Information Manufacturers
Voice communication Information Manufacturers
Central Station Information Companies
Local, auxiliary, remote stations Information Companies
Proprietary monitoring stations Information Companies
Smoke alarms and smoke detectors. Learn more.
Emergency alarms
Manufacturers of certified products and related information.
Emergency alarm system accessories (UL 2017) Information Manufacturers
Emergency alarm system control units (UL 2017) Information Manufacturers
Gas and vapor detectors and sensors (UL 2075) Information Manufacturers
Smoke control
Manufacturers of certified products and related information.
Automatic roof vents (UL 793) Information Manufacturers
Power ventilators Information Manufacturers
Smoke control system equipment Information Manufacturers
Smoke dampers (UL 555S) Information Manufacturers
