Diamond Foods, Inc. engages in processing, marketing, and distributing snack products; and culinary, in-shell, and ingredient nuts. The company operates in two segments, Snacks and Nuts. It offers potato chips, ready-to-eat popcorn, and snack nuts. The company sells its products under Diamond of California, Kettle Brand and KETTLE Chips, Emerald, and Pop Secret brand names. Diamond Foods, Inc. sells its products to global, national, regional, and independent grocery, drug, and convenience store chains, as well as to mass merchandisers, club stores, other retail channels, and non-retail channels through its sales force and wholesale distributors. The company operates in the United States, the United Kingdom, Canada, South Korea, Japan, Germany, and the Netherlands. Diamond Foods, Inc. was founded in 1912 and is based in San Francisco, California.