Possible Clues:

• Nonstick cookware brand
• Maker of nonstick cookware
• Cookware brand
• Nonstick kitchen brand
• Big name in nonstick cookware
• Giant in nonstick pans
• Big name in cookware
• Company that introduced non-stick cookware
• Brand of nonstick cookware
• Cookware brand that's an anagram of "flat"