Danish Automobile Building (DAB) (Danish: Dansk Automobil Byggeri A/S) was a Danish bus manufacturer based in Silkeborg. It was in existence from 1912 until 2002.DAB was founded in 1912 in Silkeborg by a Mr. J.W.Darr, a German. Starting as a truck maker, the company moved into mounting bus bodies on truck chassis, such as Audi, Krupp, and Büssing-NAG. DAB became a mainstream bus builder through the World Wars.