In the US of 3211 Stores, 11 companies. The biggest: Sprint (976 stores), Staples (705 stores), Cellairis (436 stores), Verizon Wireless (330 stores) and Apple Store (262 stores).
Apple Store 262 storesBang & Olufsen 24 storesBooks A Million 229 storesBose 139 storesCellairis 436 storesMicro Center 25 storesP.C. Richard & Son 64 storesRadioShack 21 storesSprint 976 storesStaples 705 storesVerizon Wireless 330 stores