Northern Digital Inc. -Roper Industries - NYSE: ROP


For over 35 years, NDI’s Medical division has been at the forefront of researching and developing advanced 3D measurement solutions. 

Our technology has helped pioneer computer-assisted surgery and computer-assisted therapy and is the foundation of the most progressive surgical navigation systems in medicine.

Today, our Polaris® optical measurement system, and Aurora® and 3D Guidance® electromagnetic tracking systems are trusted by the industry’s top medical equipment manufacturers for creating surgical navigation systems that are used in a broad range of procedures and interventional therapies: neurosurgery, cardiology, orthopedics, interventional radiology and more.

We’ve built our reputation on providing best-in-class measurement accuracy, precision, and reliability.

That very reputation is why NDI technology can be found in over 20,000 hospitals and medical centers around the world.


103 Randall Drive
Waterloo, Ontario N2V 1C5

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