Northern Digital

Northern Digital, Inc., Headquartered in Waterloo, Ontario, Canada, provides optical and electromagnetic measurement systems for medical and industrial applications. NDI’s technology is critical for the growing fields of computer-assisted surgery, computer-assisted therapy and image-guided radiation treatment. In addition, the Company’s technology is utilized by advanced manufacturers for optical tracking and non-contact 3-D measurements.

Website: 
http://www.ndigital.com