ZView  
   Software for video metrology, non-contact measurement, gauging, machine and automation.
   http://www.zview.com

PPT Vision: Digital Machine Vision Systems  
   Machine vision systems with intuitive end-use interface. Products for quality inspection and alignment applications, 2D and 3D inspection for wafers and electronic components.
   http://www.pptvision.com

Uratek Artificial Vision Components  
   Applications of Uratek artificial vision components, like eye tracking, smoke detection, biometrics identification, complex objects recognition and camera motion calculation.
   http://www.uratek.com

NeuroCheck, Industrial vision systems  
   NeuroCheck is a framework for configuring and operating industrial visual quality control systems. Its graphical tools enable the user to develop solutions within a familiar Windows - based environment to achieve rapid system integration into production
   http://www.neurocheck.com

IMAGO Video Trackers  
   A target tracking system provider, their main product is a portable, fast, integrated video target tracker, with trajectory and miss distance analysis.
   http://www.imago.on.ca

Spectral Fusion Technologies  
   Machine vision technology research and development into neural networks for food classification, X-ray and piezoelectric sensing. Designers of the BoneScanTM contaminant detection systems used in the poultry and food industries.
   http://www.spectralft.com/

Ingenieursburea Matrix BV  
   Electronic development and Machine Vision, especially for carpet and textile inspection.
   http://www.matrix-ib.nl

OpenCV  
   An open source computer vision library from Intel and optimized for their processors. Site has active newsgroup and project links.
   http://www.intel.com/research/mrl/research/opencv/

Matlab  
   A high-level programming system that is widely used for computer vision. Site has links to user provided contributions and online support.
   http://www.mathworks.com/products/matlab/

VXL  
   Portable, open-source, C++ libraries for computer vision research and deployment. Site has links to active newsgroups and project pages, and daily documentation, build, and testing updates.
   http://vxl.sourceforge.net

TINA  
   C open-source libraries for 3D robotics or medical image analysis.
   http://www.niac.man.ac.uk/Tina

Image Metrics  
   Software and services in wide range of application areas focusing on "Image Understanding." Website has regular news updates.
   http://www.image-metrics.com

Insight Segmentation and Registration Toolkit  
   Open-source C++ Libraries for medically oriented imaging research. The US National Library of Medicine sponsors this work and the NIH is encouraging its researchers to use it. Site has active newsgroups, and daily build and testing updates.
   http://www.itk.org/

2d3  
   Developers of software for computer animation and special effects industry. Products do automatic camera motion recovery, and foreground subtraction. Site has regular news updates.
   http://www.2d3.com

ImageApp  
   A GUI for the Java Advanced Imaging library. Allows grahical manipulation of image processing algorithms. Website and program are still alpha release.
   http://imageapp.sourceforge.net/

Kentec  
   A vision systems and software engineering consultancy.
   http://www.kentec.it

PerceptiVU  
   Offer real-time target tracking and machine vision software and systems.
   http://www.perceptivu.com

VisImage Systems  
   Developers of image-based body scanners. Provides services in stereo image capture.
   http://www.vis.ca