It is an organization of independent Retailers – Polish local chain. PGS was created on the initiative of the Warsaw Merchants and now brings together nearly 600 branches located in Mazowieckie, Podlaskie, Warmińsko-Mazurskie, Wielkopolska, Silesia, Kuyavian-Pomeranian, Pomeranian, Lodz, Lubelskie and Małopolskie. Minute 8 is a grocery store chain. The chain has 72 branches and belongs to the Polish Supermarket Group which has been operating since 2002. Top Market, grocery chain, has existed in Poland since 2004. It has nearly 300 branches, located in 107 towns.