Wm. K. Walthers, Inc. is the leading supplier of model railroad products in the world. Founded in Milwaukee in 1932 by William (Bill) Walthers, and now in its third generation of family ownership, the company supplies hobby shops at home and abroad with thousands of products from over 300 different suppliers. Walthers also is the Publisher of the industry's most complete annual product Reference Book as well as the producer of some of the finest branded products in the industry including WalthersPROTO, WalthersMAINLINE, WalthersTRAINLINE, Scenemaster and Cornerstone.