1940
Sumatra Caoutchouc Plantagen
Year: 1940
Sumatra Drukkerij
Year: 1940
Sumatra Electriciteit
Year: 1940
Sumatra Industrial Company
Year: 1940
Sumatra Landsyndicaat
Year: 1940
Sumatra Oliefabrieken
Year: 1940
Sumatra Oliepalmen
Year: 1940
Sumatra Para Rubber Plantations
Year: 1940
Sumatra Petroleum
Year: 1940
