Get a Quote for Cat 5 Cat5e Cat 6 Cable Installation Towson Maryland. Our Local Towson Maryland Contractors and Installers provides Voice & Data Cabling Wiring for commercial buildings offices and cubicles for local area networks (LAN) Computer Networks, Phone Wiring and Jacks. We can design and install coxial cables, cat 3, cat4, cat5 and cat6 fiber optic cables.