BOULDER, Colo.--(BUSINESS WIRE)--Zayo Group Holdings Inc. (NYSE:ZAYO), a global provider of Bandwidth Infrastructure services, today announced it has been awarded a Schedule 70 IT contract (#GS-35F-070CA) by the U.S. General Services Administration (GSA). The contract adds Zayo to the GSA’s pre-approved list of information technology vendors, enabling Zayo to work directly with government agencies on solutions to support their data communications and Bandwidth Infrastructure needs. Zayo deliver