. Who are we. Tietjen Technologies, Inc., A Norlee Company (TTI). is a trusted and well-established network cabling contractor, renowned for designing, implementing, and maintaining robust network infrastructure that ensures the reliable transfer of mission-critical data. Founded in 1994 by Ian Tietjen, the company has earned a strong reputation in the telecommunications industry and offers a wide range of services, including fiber optics, CCTV, ...
