About CornerStone Telephone Company

CornerStone Telephone Company is a group of telecommunication and customer service professionals dedicated to providing the best communication and networking solutions to business and enterprise customers, including: telephone, Internet, hosting, data center, cloud computing, and business services. We serve our clients by providing reliable business – more... 

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3.3
Based on 4 reviews
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Headquarters
Troy New York, United States
Revenue
$45 Million
Employees
51 to 200
Industry
Links
CornerStone Telephone Company website