The Wisconsin Legislative Reference Bureau, founded in 1901, is a nonpartisan legislative service agency that provides legal, research, and information services to the Wisconsin Legislature.

The LRB drafts all legislation for introduction in the legislature, prepares the executive budget bill, writes analyses of legislation, conducts public policy research and provides information about the legislature and its proceedings.

The LRB publishes the Laws of Wisconsin, the Wisconsin Statutes and Annotations, and the Wisconsin Administrative Code and Administrative Register.