Colruyt (Euroext: COLR) is a Belgian family company that is one of the major players in the country's retail network. Founded in 1925 by Franz Colruyt, the group today operates a number of retail brands, most significantly its eponymous discount supermarket chain. The company is headquartered in Halle (near Brussels), Belgium and has operations in Belgium, France and Luxembourg. The group's main business is its Colruyt discount supermarket chain, which has over 200 locations in Belgium. Other food retail brands operated by the company include the grocery chain Okay and the organic supermarket Bio-Planet. Colruyt is also one of two franchisees of the SPAR brand in Belgium. Already in 1990 Colruyt proposed its Green Line program for a better environment. This program resulted in several concrete environmental initiatives.