No client is considered too large, or too small. One of our specialties is designing and installing customized access control systems for even the most demanding situations.

From laboratories and schools, to office buildings and manufacturing plants, Yarnell Security Systems is the one to depend on.

All of our systems are user friendly, and we perform our own installations, with no sub contractors.

Each customer deserves and receives total attention to detail. Our Company is dedicated to our customers, and offers over 37 years of consistent service to Central Pennsylvania.

Years of service to the area make Yarnell Security Systems the stable one to count on for your security needs. Let us show you how to gain control of your property.