Zayo Group Holdings Inc is a provider of bandwidth infrastructure services, including fiber and bandwidth connectivity, colocation, and cloud infrastructure to a range of businesses. The company operates through its fiber solutions, zColo, and Other segments. Its fiber solutions segment provides bandwidth infrastructure solutions over its fiber-optic network. The zColo segment provides colocation and interconnection services. The Other segment provides network and infrastructure services to customers who are not part of the fiber solutions and zColo segments.