Nortek excels in the development and manufacture of acoustic Doppler instrumentation.  Doppler Velocity Logs (DVLs) are used for subsea navigation. Acoustic Doppler Current Profilers (ADCPs) are used to understand physical processes in the ocean, rivers, lakes, and laboratories.  We pride ourselves on being innovative in product development and production processes. Nortek provides solutions to engineers and scientists by offering real-time data collection and support from our responsive technical team. Nortek’s headquarters are just outside Oslo, Norway, where R&D, product assembly and other main functions are situated. In addition, we have global offices in eight countries with our largest being in Boston, MA in the United States.