This database have made by the financial support of the "Haaglanden" Chamber of Commerce.
The following people have worked on the database at the Nationaal Archief.
Rob Huijbrecht: Register of Companies Project Manager and database design.
Barbara R. Genevois, Jennifer Schouten, Glenn L. Kertomedjo and dozens of others: data entry.
Nicole Brandt and Victor van den Bergh: texts and illustrations
Vasco Ogier: Content maintenance