1920
Sumatra Batavia Mijnbouw
Year: 1920
Sumatra Borneo Mijnbouw
Year: 1920
Sumatra Bouwkundig Bureau
Year: 1920
Sumatra Brandverzekering
Year: 1920
Sumatra Caoutchouc
Year: 1920
Sumatra Caoutchouc Plantagen
Year: 1920
Sumatra Cocos Cultuur
Year: 1920
Sumatra Consolidaded Rubber
Year: 1920
Sumatra Cultuur [2]
Year: 1920
Sumatra Deli Rubber Estates
Year: 1920
Sumatra Exploratie en Exploitatie
Year: 1920
Sumatra Hevea Compagnie
Year: 1920
