What Our Customers Have to Say About Us


Every contact I’ve had with the company has been a wonderful pleasure. They are the best in the business. GCSI is the standard by which all other companies, including large national security companies, should strive to be. I hope that never changes!”

Andrew – Glassboro, NJ

“Great Job

Philip – Woodbury, NJ

“You are doing great”

Edward – Williamstown, NJ

“We are very happy & satisfied with the service. We have been with your company for a long time.”

Rose – Sewell, NJ

“No real alarm calls yet (thank you) but during all testing the response time has been very fast, professional, etc.”

Robert – Lindenwold, NJ