In the background of this application of Erich-Gutenberg-Berufskollegs for Business and Administration there is a well-established network of 33 vocational colleges in eastern Westphalia (= OWL) that work together in cooperation with the regional chambers (for example the Chamber of Commerce in Bielefeld (IHK), the Chamber of Commerce in Detmold (IHK) and the Chamber of Crafts in Bielefeld (HWK)), ...