Founded in 1981 by Greg Smith, Alarm Service and Maintenance Company is a family owned security business operating in the York, Adams & Lancaster counties.

Alarm Service and Maintenance Company is backed with 34 years of security business operation and a combined total of over fifty years of Security Industry experience.

Our alarm and security client base consists of over 1300 satisfied security customers! We have provided security services for three generations of many of the families that we provide safety from burglary, fire, theft and flood losses.

90% of our Security Customers come from referrals of other satisfied Security Clients!
Our prices are always competitive.
Our quality in materials and workmanship are beyond equal!
We are a member of the Spring Grove Chamber of Commerce and the York Builders Assocication
We are licensed by the State of PA. Our license number is PA003947
We carry a $2,000,000 commercial liability insurance policy with “completed operations” and and “errors and omissions” coverage that goes way beyond the standard liability coverage of most security companies.

Through our commitment, experience, and expertise Alarm Service & Maintenance Co. Inc. has established a business relationship with our customers that will last a lifetime!

Click here to contact Alarm Service & Maintenance Co. Inc. to see how they can also help you!