Efacis - The International Flann O'Brien Society
- American Conference for Irish Studies (ACIS)
- British Association for Irish Studies (BIAS)
- Beckett International Foundation
- Boston College Irish Studies
- CAIN Web Service (Conflict Archive on the Internet)
- The Canadian Association for Irish Studies (CAIS)
- German Society for Contemporary Theatre and Drama in English (CDE)
- Centre of Irish Studies, Université Rennes (CEI)
- Centre Culturel Irlandais Paris (CCI)
- Centre for Irish Studies Aarhus (CISA)
- Centre for Irish Studies, NUI Galway
- Dublin Institute for Advanced Studies, School of Celtic Studies
- Dalarna University Centre for Irish Studies (DUCIS)
- The Princess Grace Irish Library
- The European Society for the Study of English (ESSE)
- Helsinki Irish Studies Seminar
- The International Association for the Study of Irish Literatures (IASIL)
- Institute for British-Irish Studies (IBIS)
- Institute of Irish Studies, University of Liverpool
- Irish Argentine Historical Society
- Irish Diaspora Studies
- Irish Studies Gateway - Institute of Irish Studies, Queens University Belfast
- Irish Studies in Brazil
- Irish Studies Research Project, University of Mannheim
- Dublin James Joyce Summer School
- The James Joyce Centre Dublin
- The Leuven Institute for Ireland in Europe
- The National Archives of Ireland
- The National Centre for Franco-Irish Studies (NCFIS)
- National Library of Ireland
- Research Institute of Irish and Scottisch Studies, University of Aberdeen
- Keough-Naughton Institute for Irish Studies
- The Spanish Association for Irish Studies (AEDEI)
- The International Yeats Society
- Trieste Joyce School
- The Tübingen Anglo-Irish Theatre Group
- Zurich James Joyce Foundation
Efacis