Since 1990

Sentry has supplied and installed security and communications equipment in over 50,000 homes and 15,000 businesses across New York, New Jersey and Pennsylvania.

At Sentry, security comes first.

Sentry is a family-owned and operated security integration company with unparalleled customer service and support. Our burglar alarm systems, custom commercial fire alarms and door access control systems as well as all other low-voltage systems are installed with customer safety and protection at the forefront of every job.

Our low voltage experts can design and install a system custom-tailored to suit your security and surveillance needs. Browse our site to learn about all of Sentry’s available security and communications solutions.

Sentry is ranked as one of Inc 5000 fastest growing private companies for 6 consecutive years. Sentry is also ranked as one of the top 100 System Integrators in the country for the last 10 years.