The design, installation and maintenance of the physical layer of the network represents a keystone in the deployment and use of advanced IT solutions. Recognizing this, Open System Sciences combines a professional staff and quality components to produce structured cable systems that deliver reliable solid performance. Specializing in the delivery of the communication raceways and distribution facilities required to successfully accommodate voice and data cabling systems in today’s smart buildings, OSS services include the design, installation, testing and documentation of copper and fiber optic cable plants. Recently, OSS completed the DISA Eagle LAN backbone (copper and state-of-the-art blown fiber) installation to support data, video and Voice-over-IP functions for 2,300 users in Falls Church, VA..