Class 037: Installation, maintenance, and repair of fire alarm, detection, and suppression systems; installation, maintenance, and repair of fire protection and suppression systems and equipment, namely, fire alarms, fire alarm systems, fire sprinklers, fire sprinkler systems, fire extinguishers, fire pumps, backflow devices, fire and smoke dampers, fire doors, egress path marking systems, fire detection and suppression systems, and fire detection and suppression equipment; installation, maintenance, and repair of life safety systems and equipment, namely, fire alarms, emergency lighting systems, emergency exit path lighting systems, panic alarm devices, security systems, and medical alarms.; Class 042: design and inspection of fire protection and suppression systems and equipment, namely, fire alarms, fire alarm systems, fire sprinklers, fire sprinkler systems, fire extinguishers, fire pumps, backflow devices, fire and smoke dampers, fire doors, egress path marking systems, fire detection and suppression systems, and fire detection and suppression equipment; design and inspection of life safety systems and equipment, namely, fire alarms, emergency lighting systems, emergency exit path lighting systems, panic alarm devices, security systems, and medical alarms.; Design and inspection of fire alarm, detection, and suppression systems; Class 045: Monitoring of fire alarms, security alarms, and medical alarms.
Class 037: Installation, maintenance, and repair of fire alarm, detection, and suppression systems; installation, maintenance, and repair of fire protection and suppression systems and equipment, namely, fire alarms, fire alarm systems, fire sprinklers, fire sprinkler systems, fire extinguishers, fire pumps, backflow devices, fire and smoke dampers, fire doors, egress path marking systems, fire detection and suppression systems, and fire detection and suppression equipment; installation, maintenance, and repair of life safety systems and equipment, namely, fire alarms, emergency lighting systems, emergency exit path lighting systems, panic alarm devices, security systems, and medical alarms.; Class 044: Design and inspection of fire alarm, detection, and suppression systems; design and inspection of fire protection and suppression systems and equipment, namely, fire alarms, fire alarm systems, fire sprinklers, fire sprinkler systems, fire extinguishers, fire pumps, backflow devices, fire and smoke dampers, fire doors, egress path marking systems, fire detection and suppression systems, and fire detection and suppression equipment; design and inspection of life safety systems and equipment, namely, fire alarms, emergency lighting systems, emergency exit path lighting systems, panic alarm devices, security systems, and medical alarms.; Class 045: Monitoring of fire alarms, security alarms, and medical alarms.