Devoted to the development, promotion, and enjoyment of the hobby of model railroading and founded in 1935 in Milwaukee, Wisconsin. Includes regulations, membership information, a photo archive and links to regions and divisions.

Reporting on the activities of the modelers and members with pictures, layouts, schedules and articles.

Extends from Upper Michigan, to most of Wisconsin, and portions of Illinois, Indiana and Kentucky. Includes membership details, links to divisions, contest news, newsletters, layouts online and events.

Dedicated to promote the hobby and promote fellowship among members in Lake, Geauga and Ashtabula counties in Ohio. Includes information about meetings, projects, a list of officers, a constitution and bylaws, events, photos, dealers and area club det...

Division includes St. Louis City and County, St. Charles and Jefferson Counties in Missouri, and Southern Illinois. Features upcoming events and provides information about membership, its constitution, photographs and articles.

Operates fifteen divisions and covers the states of Mississippi, Alabama, Georgia, Tennessee, South Carolina, and portions of Florida and North Carolina. Includes membership details, links to divisions, and convention information.

Offers seven divisions serving Oregon, Washington, Idaho, Alaska, Montana and some provinces of Canada. Includes a directory of committee chairs, upcoming events and a division map.

Offers eight divisions serving Texas and Louisiana. Includes a link to each division, a membership application, contacts for officers and directors, and photographs.

Provides eight divisions in Australia and New Zealand. Includes its constitution, events, membership details, layout tours and a list of achievement awards.

Promotes model railroading through monthly layout tours and a spring mini-convention. Includes a list of officers, membership details, links to individual clinics (tutorials), and photographs. Located in Silver Spring, Maryland, USA.