New York’s Most Trusted Security Systems Provider


United specializes in commercial fire alarm systems for hotels, high-rise buildings, as well as restaurants & retail shops.

Fire Alarm Service

At United, we are dedicated to  prompt, reliable service. Our trained and experienced staff is ready to serve all of your needs and can be your full service provider.

We specialize in testing and servicing most manufacturers’ fire alarm systems. From small to large office buildings to residential & hospitals. Our trained technicians will provide you with reliable service & support, United’s commitment is to provide all of our customers, the highest level of service and on-going support.

Let us use our 76 years of experience to help protect your business, your family, your property.

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good to know

Only UL Certified Central Station in Lower Manhattan!

United was the first company in New York to offer this new Line Integrity & Technology. Internal Detection Devices, photo-electric eyes, microwaves, dual-tech, passive infra-reds.


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