We offer the highest quality installation and service of the following systems:
This service is owned and operated at our
own facility, providing you with the best of both world's, in one great central location.
can now get your service from the most comprehensive, cost-effective Alarm Service available
- ACF Alarm.
Sentry Security Agency, Inc.
(St. Louis Security) has been providing all types of:
throughout the metropolitan area for 40 years.
Sentry Security was founded in the mid 1960’s by John R. (Dick) Mueller, Sr.
All personnel are required to sign an agreement that covers conduct, uniform requirements, attendance, training, performance of duties,
and to obtain a security license with the police department.