Business Telecommunications Services


Allied Telephone and Data Corporation is a quality telecommunications company in Maryland. We have the experience and expertise to fulfill all of your business technology needs including:


Our qualified and experienced business technology team can assist you with all types of telecommunication systems; from your low voltage projects, to IP cameras, to building automation systems, and everything in between.

We are leaders in the business telecommunications industry, and on the cutting edge of all new building codes, standards, trends, and business technologies. Let Allied Telephone and Data Corporation bring your organization up to date in this technological society we live in.

At Allied Telephone and Data, we are professional in our work, courteous, and we have a proven track record of quality service. We are proud to provide the following business technology services:

Building Commissioning: This unique consulting service allows us to be your Owner Representative to assist with building design, product specification, budgeting, installation overview and code compliance for your new building or renovations. We work directly with the vendors and look out for your best interest from start to finish.
Read more...

Telephone Installation: Allied Telephone and Data is a certified installer for ESI (Estech Systems, Inc.) telecommunications systems. ESI designs, manufactures and markets advanced, feature-rich business communications systems. Progressive vision, leading-edge technology, legendary reliability and award-winning products define ESI. While Allied recommends ESI’s product line, we can install all telephone equipment or repair your existing equipment.
Read more…

Additional Services: In addition to our Building Commissioning and Phone Installation services, Allied provides billing analysis, disaster recovery services, innovative wireless technologies, low voltage project management, cabling plant overview, proposal writing and contract and rate negotiation. Read more…

Contact us today or call our office at 410-803-0080 to see how we can help your organization with all its business telecommunications needs.

Allied Telephone and Data Corporation is located in Fallston, Maryland in Harford County. Our telecommunications company serves customers in the Baltimore Metropolitan region including Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Harford County, and Howard County. Our business telecommunications services provide building commissioning, telephone installation, data systems installation, business project management, and various additional services to improve your business technology needs.

Building Commissioning Telephone Installation Additional Services