Mellon Technologies 1994 Athens, Greece
Mellon Contact Services 1997 Athens, Greece
Mellon Cyprus 2000 Nicosia, Cyprus
Mellon International 2001 Athens, Greece
Mellon Romania and OCCO1 2001 Bucharest, Romania
Mellon Bulgaria 2001 Sofia, Bulgaria
Mellon Serbia 2001 Belgrade, Serbia
Mellon Solutions 2003 Skopje, FYROM
Mellon Albania 2004 Tirana, Albania
Mellon Poland 2006 Warsaw, Poland
Mellon Ukraine 2007 Kiev, Ukraine
Mellon Solutions Kosovo Branch 2013 Pristina, Kosovo
Mellon Algerie 2017 Algiers, Algeria

1 OCCO was founded in 2005 and was acquired by Mellon in 2006