About Us
We wire and install voice, data, fire alarms, overhead speakers, intrusion detection, television, cameras and intercom.
- GreatlineService, Speed and Reliability It's what we stand for! Call Us: 708-331-8707
- SupportWe are the backbone of Educational Institutions, Health Care facilities, Shopping Centers and more
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Contact
Phone: 708-331-8707 Fax: 708-331-8708 Email: info@greatline.net
Partners
We have thousands of network installations in all sizes.
Our people are thoroughly experienced in communication systems and standards.
Our technicians are clean and neat. Our project managers produce great
results.
The Network is used so often we take it for granted.
Until there is a change! When that happens, Greatline is there. New employees, remodeling, expansion, adds, moves and changes, we make it simple and we make it work.We all need systems.
Phones, computers, cameras, alarms, paging and more. We sell and service the systems that make your life secure.Illinois Alarm Contractors License #127.001362