'small castle in the fields') is a Swiss beverage and brewing company located in Rheinfelden, in the German-speaking canton of Aargau, Switzerland.

It bought out Cardinal in 1991, and became a division of Carlsberg in 2000.

In addition to beer, it also produces non-alcoholic beverages and mineral waters.

[2] The following brands are produced: Feldschlößchen (with the eszett, ß)[a] is the name of a brewer in Dresden, Germany, with no relation.

This beer or brewery-related article is a stub.