Kowalski Companies, a regional hot dog processor located near Detroit, has been in business for 95 years. Sahlen's, a regional hot dog maker based in Buffalo, has been at it since 1869. The two companies must be doing something right. Joe Cordray, professor of animal science at Iowa State Univ. and an expert on hot dog processing, says there is one thing that leads to repeat sales at supermarkets and allows companies like Kowalski and Sahlen's to stay in business for as long as they have: consistency of product. Kowalski and Sahlen's have cured hot dog processing down to a science. But don't think for a minute that the two companies have gotten complacent in their approach. Kowalski manufactures skinless and natural casing franks and an array of other products, including sausage, kielbasa and bologna. Sahlen's offers several varieties of hot dogs, sausage and deli meat.
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