CornerStone Telephone Company Information, Including Revenue, Investors, Funding, Competitors & Key Metrics

CornerStone Telephone Company provides business customers with voice and data communications, cloud computing, data center services and hosted IP products, all coupled with outstanding customer service from local support teams. Recognized by Inc. 5000 in the top 20% of the fastest-growing private companies in the US, CornerStone was ranked as 3rd fastest growing telecomm company in New York State and 34th in the US, as well as named Partner of the Year in 2012 by Parallels, a cloud and hosted seView more