Commercial blenders are designed to blend even the toughest items like iPods and marbles. They work quickly and are durable. Popular commercial blender brands include Vitamix, Blendtec, Waring-Commercial, and Oster. While commercial blenders cost between $300-$600, making them too expensive for most household use, they allow for faster, smoother blending and have powerful motors that can blend items quickly and efficiently. Commercial blenders are worth the investment for those who do a lot of blending.