Where can I find Ketchup in Wikon?

Ketchup can also be found in these cities:

Aarau Buchs Egerkingen Egolzwil Erlinsbach Gränichen Herzogenbuchsee Huttwil Langenthal Lenzburg Lostorf Lupfig Menziken Murgenthal Möriken-Wildegg Oberkirch Oensingen Oftringen Olten Reiden Reinach Rothrist Ruswil Schöftland Schönenwerd Sempach Seon Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Wikon:

Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish Fat Sauce Powder Spirits Stews Bakery Products Red Wine