National Railway
Historical Society

The National Railway Historical Society is the nation’s largest membership organization for rail preservation, supporting train, railway, and station preservation projects through grants, education, photographic archives, events, publishing, standards definition and shared resources.

National Model
Railroad Association

The National Model Railroad Association The National Model Railroad Association is a worldwide organization of more than 18,000 members that's dedicated to helping model railroaders get the most from their hobby. NMRA membership brings you the fellowship of members right in your own community, plus additional benefits like access to one of the world's largest railroad libraries, online archives with over 20,000 railroad photographs, national and regional conventions, and much, much more.

World's Greatest
Hobby, Inc.

The World's Greatest Hobby, Inc. (WGH) is a non-profit educational program to promote the enjoyment and benefits of model railroading. The WGH goal is to provide both the information and inspiration to help people become model railroad hobbyists. On their website you can find links to resources for getting started in the hobby, download free content, watch instructional videos, or information on their fun-for-the-family shows, the "World's Greatest Hobby On Tour.” Wm. K. Walthers is one of the corporate sponsors of the World’s Greatest Hobby program.