1925
Sumatra Deli Rubber Estates
Year: 1925
Sumatra Exploratie en Exploitatie
Year: 1925
Sumatra Houtaankap
Year: 1925
Sumatra Industrial Company
Year: 1925
Sumatra Jelutong and Rubber Estates
Year: 1925
Sumatra Landsyndicaat
Year: 1925
Sumatra Maatschappij
Year: 1925
Sumatra Oliefabrieken
Year: 1925
Sumatra Para Rubber Plantations
Year: 1925
Sumatra Petroleum
Year: 1925
Sumatra Petroleum Company [2]
Year: 1925
Sumatra Proprietary Rubber
Year: 1925
Sumatra Prospecting Syndicate
Year: 1925
Sumatra Rubber
Year: 1925
Sumatra Rubber Cultuur
Year: 1925
