1920
Sumatra Jelutong and Rubber Estates
Year: 1920
Sumatra Landsyndicaat
Year: 1920
Sumatra Maatschappij
Year: 1920
Sumatra Mijnbouw Syndicaat
Year: 1920
Sumatra Oliefabrieken
Year: 1920
Sumatra Para Rubber Plantations
Year: 1920
Sumatra Petroleum
Year: 1920
Sumatra Petroleum Company [2]
Year: 1920
Sumatra Proprietary Rubber
Year: 1920
Sumatra Prospecting Syndicate
Year: 1920
Sumatra Rubber
Year: 1920
Sumatra Rubber Cultuur
Year: 1920
Sumatra Slachterij en Hotel
Year: 1920
Sumatra Stores
Year: 1920
Sumatra Tapanoeli Land Syndicaat
Year: 1920
