Serving All of Michigan Since 1956

Your Hometown Security Company

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Security System

Thumb Alarm Systems was founded in 1956 for the purpose of providing a blanket of security that covers the State of Michigan. We continue to increase the quality of life with the ability to provide a watchful eye over our community at all times.


We believe in understanding each customer’s needs, which gives us the ability to provide peace of mind knowing that they are in the right hands. We have been driven for five decades to provide the highest level of security at an affordable price. We stand together with pride and dedication that allows us to be, ‘your hometown security company.’

Thumb Alarm Systems Mission Statement

Learn about the history of Thumb Alarm Systems

Thumb Alarm Systems has been in business for over 50 years and serves all of Michigan. We provide every home and business with reliable security services and quality brand-name products. You will find the security solutions you are looking for to keep your property safe and secure.


We have over 500 dealer offices worldwide and are part of the largest independent security dealer network. Click here to learn more about our history and all the services that we can offer you.

We are UL-approved and certified, call today for complete services:


Locally Owned and Operated Security Company

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