*Aldi (Website) (Google Search) is the common company brand name of two German multinational family-owned discount supermarket chains operating over 12,000 stores in 18 countries.
*Edeka (Website) (Google Search) The Edeka Group is the largest German supermarket corporation as of 2017, holding a market share of 25.3%. 
*Kaufland (Website) (Google Search)  is a German hypermarket chain, part of the Schwarz Gruppe which also owns Lidl.
*Rewe (Website) (Google Search) The REWE Group is a German diversified retail and tourism co-operative group based in Cologne, Germany. 
* Netto (Website) (Google Search)  (also known as just Netto, formerly Plus) is a German discount supermarket chain owned by the German supermarket cooperative Edeka Group, and operates mostly in the south and west of Germany.