TSI Logo
Computer Networking
VM Messaging
Testing & Repairs
Phone & Internet Connections
Phone Bill Consulting (savings)


TSI Services
Tele-Systems, Inc. is a full service telecommunications company that offers a wide array of services to their customers, including our 24 hour a day technical service support.
TSI's technicians are factory trained and unionized. Our technicians are regularly attending continuing education courses to keep on the cutting edge of the growing technology being offered today.

Some of the services that TSI offer are:

Cabling for telephone systems and data networks; including fiber optic termination and testing
Sales of computer networks for small businesses, Windows XP, Windows NT server, Windows 2000 server/client, Windows Pier to Pier Networks, computer repairs and troubleshooting , sales of Intel PC's for servers and workstations.
Installation and sales of telephone lines in partnership of Competitive Local Exchange Carriers (CLEC)
Installation and sales of Data Circuits and Digital Subscriber Lines (DSL)
Installation of T-1 apparatus and routers, Fractional T-1, PR I
Local/Long distance phone bill consulting (Lower line charges)
Internet Access
Local/Long distance line service


140 Powell Ave.
Darby, PA 19023
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