Calphalon Corporation of Perrysburg, Ohio, is a leading producer of premium quality cookware and kitchen accessories for the home chef. Calphalon Cookware was founded in 1963 by Ronald M. Kasperzak. Today, Calphalon is the only cookware company that manufactures pots and pans in all three major cooking surfaces: hard anodized, nonstick and stainless steel. With these three cooking surface materials and countless vessel shapes and sizes, Calphalon cookware gives home cooking enthusiasts the freedom to select the ideal pan for every use. Read more about Calphalon.