Werkspoor (Koninklijke Nederlandsche Fabriek van Werktuigen en Spoorwegmaterieel) of Amsterdam.
Founded in 1827 by Paul van Vlissingen (1797-1876) and Abraham Dudok van Heel (1802-1873).
Dutch Wikipedia entry here. Google's English translation here.
1912 1,000 H.P. Marine Diesel engine for MS Juno.
1912 North Eastern Marine Engineering Co approached Werkspoor for a licence for its design of diesel engine but the war delayed construction work[1]
1920s Marine diesel engines built (presumably) under licence by the North Eastern Marine Engineering Co