What is petroleum maatschappij?

Some articles on petroleum maatschappij, petroleum:

Bataafse Petroleum Maatschappij
... Bataafse Petroleum Maatschappij (BPM), also known as Bataafsche Petroleum Maatschappij (English Batavian Oil Company) was a subsidiary of the Royal Dutch Shell oil company ... Group along with its UK analogue the Anglo-Saxon Petroleum Company ...