CornerStone Information

CornerStone Telephone Company is an advanced communications solutions provider, specializing in services for business and enterprise customers. The company provides its customers with the highest level of customer support while offering competitive service rates. CornerStone has over 50,000 access lines, providing local and long distance telephone service, high-speed Internet access, VoIP, cloud computing, data center services and business telephone systems. The company services customers around the globe. Established in 2002, CornerStone has over 90 employees and 13,000 customers. The company is headquartered in Troy, N.Y. with offices in Syracuse, Oneonta, New York City, Poughkeepsie and Richmond, Massachusetts, and was voted fastest growing mid-size company and one of the Best Places to Work in the New York State Capital Region in 2007, 2008 and 2010.