Allan & Co was a former railway rolling stock and tram manufacturer based in Rotterdam, Netherlands.
The full name of the company (in Dutch) was Allan & Co´s Koninklijke Nederlandsche Fabrieken van Meubelen en Spoorwegmaterieel N.V.
The company was founded in 1839 and started as a furniture maker.
Allan went on to become a major supplier to the Netherlands Railways, including the Plan X Blue Angel diesel trains.
[1] The company also built rolling stock for export, such as the Class 0300 railcars for the Portuguese Railways.