The "supermarche" (supermarket) on the west end of PARLY 2 has gone through 3 incarnations since opening in late 1969. The store was originally branded as Suma, a chain which had originated in 1960.
Graphic from http://www.archi-wiki.org


In May 1995, the store was rebranded under the ATAC nameplate.
Graphic from http://www.atac.fr


In 2009, the grocery store was given its second name change. It would be known, henceforth, as Simply Market, a chain owned and operated by Auchan Retail, based in Croix, France. Today, there are over 300 Simply Market locations...all in France. 
Graphic from http://www.groupe-auchan.com