The Surly Brewing Company is an American craft brewery with facilities in Minneapolis and Brooklyn Center, Minnesota, and is noted for primarily canning beers, rather than bottling. Initially available only in and around the Minneapolis–Saint Paul metropolitan area, the company expanded distribution to include all of Minnesota and several nearby states. During the early 2010s, Surly experienced rapid growth, with the production of 21,000 barrels in 2012, 28,000 barrels in 2013, and 47,757 barrels in 2015.
Surly's brewing system in Brooklyn Center is a 30 beer barrel (BBL) Sprinkman, one of four identical systems produced by Sprinkman of Wisconsin. The Minneapolis location has a 100 barrel system. Despite sharing a similar name and being headquartered in the U.S. state of Minnesota, the brewing company and Surly Bikes are separate enterprises. An agreement between the two companies allows the bicycle manufacturer to display the single word "Surly" on its products.