where is heinz ketchup manufactured?
<answer> Leamington ketchup factory <context> Some other facilities will gain from the three closures. Heinz has three plants in Canada – the Leamington ketchup factory, a salad dressing plant in St. Marys, Ont., and a plant in Toronto. Mr. Mullen said production will shift to St. Marys and U.S plants, where a total of 470 jobs will be added.