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Greatstone Systems, founded in 1997 by Peter McCormack, builds information systems that drive business. We specialize in providing Integrated SharePoint enterprise systems that engage and coordinate everyone, including your employees, volunteers and board members. We develop useful, secure and robust database systems, and we also offer e-commerce and other web-based solutions. We have delivered systems in the publishing, insurance, advertising, banking, education and social work arenas, among others.