Pittsburgh, Pennsylvania- 1869 Best selling brand of ketchup. From 1906 it was produced without preservatives. In 1907, Heinz started producing 13 million bottles of ketchup per year, exporting ketchup all over the world. Heinz manufactures all of its American tomato ketchup at two plants: one in Fremont, Ohio, and another in Muscatine, Iowa. Heinz ketchup is packaged in glass and plastic bottles of various sizes, as well as individual-serving condiment packets made of foil or plastic. LABORATORY TEST MARKET RESEARCH DESIGN SOLUTIONS TO THE CASE SELECTED FINDINGS FROM THE LTM STUDY