Professional Grade 

CCTV Security SYstems, 


wireless and fiber INSTALLATION SERVICES.

When you have commercial  work that needs to be done quickly and with an eye for quality, look no further than DCS. We have the most highly-trained, industry-certified master technicians with years of experience working for commercial clients.

Masiqua Manufacturing, Inc.

“DCS delivered on time and under budget. This was a major building renovation.  Our office had to stay up and running during this project. Calling DCS was the right choice for us!”

Tim M.


Go with someone who's been there  for OVER 25 + years.


All of our technicians posses many years of on-the-job experience and training. They're also industry certified by Leviton, Hubbell and ICC and committed to keeping up with the latest advances in the field. You can feel confident that your project will be in the hands of skilled technicians.


  • Voice/Data/Fiber Cable Installations
  • Fiber Optic backbone cabling 10G, 40G
  • Infrastructure design/build
  • IP Camera Security Systems Installation
  • T1, PRI, MPLS Provider Services
  • Cisco wireless installation and design
  • T1, PRI, POTS line extensions
  • ​Video projector and screen installations
  • ​MDF/IDF Design Build
  • Moves, adds and changes
  • ​Avaya/Nortel Phone systems
  • ​Paging System Design/Build
  • Directional underground conduit installaion


Call US: 630-920-8844 

Illinois Lic # 127.001722