Intec Telecom Systems PLC - Provides Revenue Assurance and Operational Support Systems for Telecoms.
https://www.csgi.com/
Lightbridge - A transaction processing company that businesses trust to manage customer transactions for greater profitability.
https://www.authorize.net/
Speak10-10-940 - A long distance service provider in Ontario.
http://www.1010940.com
Tellad Supply Company - Telecommunication equipment supply and distribution.
http://telladsupply.com/
