Australia

GRA: Group Relations Australia
www.grouprelations.org.au

Great Britain

The Tavistock Institute
www.tavinstitute.org

The Grubb Institute,
www.grubb.org.uk

OPUS (An Organization for Promoting Understanding of Society)
 www.opus.org.uk

Italy

CESMA: Centro Esperienze e Studi di Management
www.cesma.org

IL NODO group
www.psychomedia.it/ilnodogroup

Netherlands

Group Relations Nederland
www.grouprelations.nl

Sweden
 
AGSLO: Arbetsgruppen för Studium av Ledarskap och Organisation
www.agslo.se

United States

A K Rice Institute
www.akriceinstitute.org

New York Center for the Study of Groups, Organizations & Social Systems 
http://www.nycgrouprelations.org

General organizations:

ISPSO: International Society for the Psychoanalytic Study of Organizations
www.ispso.org

PCCA - Partners in Confronting Collective Atrocities,
www.p-cca.org