United States:
1. Stanford University:
Semlab http://semlab.stanford.edu
NLP group: http://nlp.stanford.edu
2. University of Pittsburgh:
NLP Laboratory:http://nlp.cs.pitt.edu/
3. University of Southern California
Natural Language Group: http://nlg.isi.edu/
Institute for Creative Technologies: http://ict.usc.edu/
4. University of Rochester
Conversational Interaction and Spoken Dialogue Research Group: http://www.cs.rochester.edu/research/cisd/
5. Microsoft Research
NLP Group: http://research.microsoft.com/en-us/groups/nlp/
Adaptive System and Interaction: http://research.microsoft.com/en-us/groups/adapt/
6. Honda Research: http://www.honda-ri.com/
7. Harvard University:
Artificial Intelligence Research Group: http://www.eecs.harvard.edu/ai/index.html
8. MIT
Spoken Language Systems Group: http://groups.csail.mit.edu/sls/sls-blue-noflash.shtml
9. Northwestern University
Center for Technology and Social Behavior: http://ctsb.northwestern.edu/projects/
10. Northeastern University
Relational Agents Group: http://relationalagents.com/
11. AT&T
Speech and Natural Language Understanding Group: http://www.research.att.com/misc/search.jsp?q=%22Speech%20and%20Natural%20Language%20Understanding%22
AT&T Interactive: http://www.attinteractive.com/
12. IBM
Conversational Dialog Systems: http://www.research.ibm.com/cweb/
UK
1. Cambridge University
Dialogue Systems Group: http://mi.eng.cam.ac.uk/research/dialogue/
2. Heriot Watt University
Interaction Lab: http://sites.google.com/site/olemon/
3. Queen's University Belfast
Speech & Vision Systems Group: http://www.ecit.qub.ac.uk/Research/SpeechVisionSystems/
Netherlands
1. University of Twente:
Human Media Interaction Group: http://hmi.ewi.utwente.nl
Australia
1. Macquarie University
Center for Language Technology: http://www.clt.mq.edu.au/
2. Monash University:
User Modeling and Natural Language Group: http://www.csse.monash.edu.au/research/umnl/