A barrel or cask is a hollow cylindrical container, traditionally made of wood staves and bound with iron hoops. Someone who makes such barrels is known as a cooper.
http://en.wikipedia.org/wiki/Barrel

Crate and Barrel offers contemporary furniture, housewares, Gift Registry services and more.
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However, many international companies convert all of their oil production volumes to barrels to consolidate them for global reporting purposes since most multinationals are ...
http://en.wikipedia.org/wiki/Barrel_%28unit%29

Originally of South Philadelphia, four generations of our family have been preparing fine homemade delicious Italian foods for over forty years.
http://www.barrelsfoods.com/

Manufactures barrels in the Bordeaux style from air-dried American oak for sale worldwide.
http://www.barrelsunlimited.com/