NDI (Northern Digital Inc.)

Northern Digital Inc. (NDI) is a Canadian company founded in 1981 by graduates of the University of Waterloo. Based in Waterloo, Ontario, with additional offices in Hong Kong and Germany, NDI specializes in advanced 3D measurement technology systems, focusing on optical and electromagnetic tracking solutions. The company serves a diverse range of sectors, including medical, industrial, simulation, and academic fields, with over 45,000 installations globally. NDI's core products include the Polaris optical tracking system, widely used in various medical procedures such as neurosurgery and image-guided radiation therapy. Other notable products are the Optotrak system, Certus HD, and electromagnetic systems like Aurora and Wave. Their technology enables precise real-time 3D tracking, supporting applications in surgical navigation, medical robotics, and biomechanics research. NDI's commitment to innovation is reflected in its extensive patent portfolio and its role as a foundational technology provider for advanced surgical navigation systems. With around 318 employees and annual revenues of approximately $72 million, NDI continues to lead in spatial measurement technology, enhancing medical workflows and patient care worldwide.

• Employees 300
• Founded 1981
• Annual Revenue $114000000