Allied Telephone and Data is more than just a business telecommunications company. We provide businesses in the Baltimore Metro region with innovative wireless technologies, telephone system installation and repair, billing analysis, disaster recovery, cabling plant overview, proposal writing, contract negotiation, and business project management for all low voltage projects.

Our business telecommunications and technology services are offered to Maryland companies in Harford County and Baltimore County including Aberdeen, Baltimore City, Bel Air, Churchville, Cockeysville, Fallston, Hunt Valley, Jacksonville, Lutherville, Towson, Timonium, and surrounding regions.