1. Canada UBC-LDS UBC Library Data Services – University of British Columbia, Vancouver
  2. Canada CUDC Carleton University Data Centre – Ottawa, Ontario
  3. USA CISER Cornell Institute for Social and Economic Research – Cornell University, Ithaca, New York
  4. USA DISC Data and Information Services Center – University of Wisconsin, Madison
  5. USA MRA Henry A. Murray Research Archive – Harvard University, Cambridge, Massachusetts
  6. USA ICPSR Inter-University Consortium for Political and Social Research – University of Michigan, Ann Arbor
  7. USA ODUM Odum Institute for Research in Social Science – University of North Carolina, Chapel Hill
  8. USA UCLA-SSDA Social Science Data Archive – University of California, Los Angeles
  9. USA NORC National Opinion Research Center – University of Chicago, Illinois
  10. USA ROPER Roper Center for Public Opinion Research – University of Connecticut, Storrs