ALDI (Aldi, Aldi South and North Business Group Alliance) is Germany's largest supermarket chain, is a large non-listed company, founded in 1961, headquartered in Essen, Germany, and Mülheim, ALDI's name comes from the founder's family Albrecht (personal name) and the first two letters of the single word The name ALDI comes from the founder's family name Albrecht and the first two letters of the word Discount, meaning the discount store of the Albrecht family. The companies in the North and South German regions are owned by the family's brothers Teo and Karl respectively.