GCS-Great Computer Solutions - is a provider of cost-effective network management solutions, installation, technical support, software development, and web development. Since 1996, we have offered stable and innovative solutions to technological opportunities. We serve clients throughout Chicagoland.GCS offers a wide range of integrated services: Computer Network Management Managed network services Phone Installation Network - voice and data cabling E-commerce solutions Cloud hosting and email hosting solutions Computer repairs - Virus removal Data backup & disaster recovery Cloud servers, Office 365 implementation Call GCS today for flexible and responsive IT and network solutions.