A Better Answer, Oneonta, NY 13820, US

HistoryIn the company's ten-year history, CornerStone Telephone Company has grown from a two-person start-up to an established 120-employee advanced communication solutions provider, with over 10,000 customers in three states. We have been recognized locally and nationally as one of the fastest-growing private companies in the United States. Following, please find these key dates and milestones in our history.SpecialtiesCornerStone, a respected partner, delivers comprehensive communication solutions and innovative technologies aligned with customer's organizational objectives. We are driven to enhance the customer experience through quality products and accessible, knowledgeable resources.