Welcome to Greatline
The leader in commerial, institutional and industrial communications systems installation and maintenance.
Learn more about Greatline »- 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
Communication infrastructure is the nerve center of all communications systems.
Greatline Communications specializes in commercial, institutional and industrial communications systems. We provide sales, installation, and maintenance. Established
in 1992 to compete directly with the phone company installation division, we have
consistently proved that we provide higher quality and lower pricing. We are proud of
our history. This is the electronic era. Voice, data, intercom, alarms and all systems are
vital to the success of business. Whether its wired or wireless, call Greatline Communications and make sure you are getting the best.
Illinois Alarm Contractors License #127.001362

Solutions
When change happens, Greatline Communications is there to make sure change is good. New employees, remodeling, expansion or new construction make changes to the network essential.

Services
We provide the service and the systems that business requires to be efficient and productive.








