Owens Corning is an American company that develops and produces insulation, roofing, and fiberglass composites and related materials and products. It is the world‘s largest manufacturer of fiberglass composites. It was formed in 1935 as a partnership between two major American glassworks, Corning Glass Works and Owens-Illinois. The company employs approximately 19,000 people around the world. Owens Corning has been a Fortune 500 company every year since the list was created in 1955. The Pink Panther appears in most of the company’s advertisements.