Based in Louisville, Colo., privately owned Zayo Group is a national provider of fiber-based bandwidth infrastructure and network-neutral colocation and interconnection services. Zayo serves wire-line and wireless carriers, data centers, internet content and services companies, high bandwidth enterprises as well as federal, state and local government agencies. Zayo provides these services over regional, metro, national and fiber-to-the-tower networks. Zayo’s network assets include over 45,000 route miles, covering 42 states plus Washington D.C. Additionally, Zayo has approximately 5,200 buildings and 2,300 cell towers on-net, and over 94,000 square feet of billable colocation space. Zayo was recently named one of the Denver areas Fastest Growing Private Companies by the Denver Business Journal.