610-439-1600 service@comsysinc.com






Check out some of our recent work

Following are a few videos and testimonials of our recent work with the City of Allentown, UGI Energy Services, Bethlehem Area School District and others.


We're here to help

Let CSi help with an on-site, free assessment of your security, life safety or communication system.  Our team of experts will work with you to assess your current system and provide recommendations and industry best practices to maximize your investment.


Some of our Clients

Over the course of four decades, CSi has helped hundreds of clients increase security and improve their communications infracstructure by deploying efficient, unified solutions.  Here are a few of our clients.  For a more extensive list, explore our representative client page