1. Honeywell: American multinational company, whose fire protection business involves fire alarm system, fire extinguishing system, escape equipment and other fire protection products.
2. Tyco: American manufacturer of safety and fire protection products, including fire alarm systems, fire extinguishing systems, fire pumps and other products.
3. United Technology Corporation: a diversified manufacturing enterprise in the United States, with fire alarm system, fire extinguishing system and other related businesses.
4.GeneralElectric: American multinational company, which owns fire alarm system, fire extinguishing system and other related businesses.
5. Siemens: German multinational company, which has fire alarm system, fire extinguishing system and other related businesses.
6.JohnsonControls: American manufacturer of fire protection and safety products, including fire alarm systems, fire extinguishing systems, escape equipment and other fire protection products.
7.Nortek: American manufacturer of fire protection and safety products, including fire alarm systems, fire extinguishing systems, escape equipment and other fire protection products.
Hikvision: China security product manufacturer, including fire alarm system, video monitoring system and other related businesses.
9. Dahua Technology: China security product manufacturer, including fire alarm system, video monitoring system and other related businesses.
10. Firebird: China fire protection product manufacturer, including automatic fire alarm system, fire extinguishing system, escape equipment and other fire protection products.
Please note that the above are only some listed companies involved in fire-fighting equipment-related business, and the actual situation may be different due to market changes and different countries and regions. Please fully investigate and analyze before investing.