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ADD Communications Inc. is the leading Network Telecom contractor you will find the Newmarket and GTA area, specializing in Telephone System Services, CCTV System Services, Data Networking, Paging, Wireless and Cabling. Contact us, and your Network Telecom needs will be taken care of promptly, safely, and cost effectively. We pride ourselves on excellent customer service and constantly update and train our technicians on all the new trends in the ever changing world of technology and communications.