Context : Bataafse Petroleum Maatschappij (BPM), also known as Bataafsche Petroleum Maatschappij (English: Batavian Oil Company) was a subsidiary of the Royal Dutch Shell oil company established in 1907 which extracted and refined oil in the Netherlands East Indies. 
Answer : Royal Dutch Shell
What is Bataafse Petroleum Maatschappij's parent company?