The Joint Committee of ESA's (ESMA, EIOPA and EBA) has published the 2013 List of Identified Financial Conglomerates. 
This latest version of the list shows 75 financial conglomerates with the head of group in an EU/EEA country, one with the head of group in Australia, two with the head of the group in Switzerland, and two with the head of group in the United States.