References

Chicago Board of Education – Safety and Security
Telephone: 773-553-3001
Chicago Public Schools
125 South Clark Street
Chicago, IL 60606
Chicago Public Schools has been a client of Greatline since 1994.
We have performed many services for the Board including the improvement of security at schools. We provide door answering, intercom, CCTV and alarms to the schools

Robert Bosch Tool Corporation
Telecommunications Manager – Liz Stone
Telephone: 224-232-2299
1800 West Central Avenue
Mt. Prospect, IL 60056
Upgraded cable plant for all warehouse facilities across the nation for implementation of new inventory management system. Recently completed moving headquarters from Chicago to Mount Prospect. Responsibilities included planning, project management, and implementation of voice, data and electrical networks.

Methodist Hospital
Telecommunications Manager - Emira Matezic
Telephone: 773-271-9040
5025 N. Paulina Ave.
Chicago, IL 60640
Methodist Hospital, along with the satellite facility of Bethany Terrace has been a customer of Greatline Communications since 1993. We have cabled the hospital and added nurse call, cameras, paging and most recently we installed a new PBX phone system

Access International
Founder, Code Writer - John Katich
Telephone: 312-920-9366
333 N. Michigan Ave.
Chicago, IL 60601
Access International is a leader in the order entry market. Greatline Communications has worked with Access International on voice and data services. Greatline Communications installed the structured cabling and their computer room at their new facilities on Michigan Ave.