Thousand Lakes Region - NMRA
- Provides sixteen divisions serving North Dakota, Minnesota, Wisconsin, South Dakota, Iowa and several provinces of Canada. Includes information about events, conventions, membership and a list of officials.
- http://www.thousandlakesregion.org/

Southeastern Region - NMRA
- 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.
- http://www.ser-nmra.org/

Potomac Division - NMRA
- 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.
- http://home.comcast.net/~Potomac_NMRA/

Division 8, North Central Region - NMRA
- Serving the counties of St. Clair, Macomb, and Oakland in Michigan. Lists a meeting schedule, directions, photographs, newsletters, its constitution and events.
- http://div8.ncr-nmra.org/

Lone Star Region - NMRA
- Offers eight divisions serving Texas and Louisiana. Includes a link to each division, a membership application, contacts for officers and directors, and photographs.
- http://www.lonestarregion.com/

Gateway NMRA
- 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.
- http://www.gatewaynmra.org/

Western Reserve Division 5 - NMRA
- 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 details
- http://www.mcr5.org/

British Region of the NMRA
- Information about resources, activities, conventions, and pictures of models of North American Railroads.
- http://www.nmrabr.org.uk/

Niagara Frontier Region, NMRA
- Niagara Frontier Region of the NMRA for Niagara (Canada) and north western NY, USA. It contains prototype pictures, region information, and other usesful resources for model railroaders.
- http://www.nfr-nmra.org/

International Division of the NMRA
- Division of the Niagara Frontier Region that includes Erie and Niagara counties in New York State and some counties in Ontario, Canada. Includes information about events and a membership form.
- http://www.nfr-nmra.org/id/

Division 3, North Central Region - NMRA
- Created for railroad enthusiasts in the Northeastern counties of Indiana. Includes pictures, news, and events.
- http://www.hoosierdiv3nmra.org/

Pacific Northwest Region - NMRA
- 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.
- http://www.infoharvest.ca/NMRA/PNR/

Pacific Coast Region of NMRA
- Serving California, Nevada, and Hawaii. Includes the bylaws, membership details, a manual of operations, a newsletter, meeting minutes, events and contest forms.
- http://www.pcrnmra.org/

Northeastern Region - NMRA
- Provides fourteen divisions serving New York State, New England and several provinces in Canada. Includes a list of directors and departments, links to divisions, photographs, and information about publications and conventions.
- http://www.trainweb.org/northeasternregion/NERHOME.HTML

Midwest Region - NMRA
- 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.
- http://www.mwr-nmra.org/

Australasian Region of the NMRA
- Provides eight divisions in Australia and New Zealand. Includes its constitution, events, membership details, layout tours and a list of achievement awards.
- http://www.nmra.org.au/

Central Indiana Division - NMRA
- Reporting on the activities of the modelers and members with pictures, layouts, schedules and articles.
- http://cid.railfan.net/

Mid-Central Region - NMRA
- Provides eleven divisions serving Ohio, Indiana, Kentucky, Pennsylvania, and West Virginia. Includes its constitution and bylaws, a list of contacts, projects, a newsletter, events, photographs and how-to articles.
- http://midcentral-region-nmra.org/

National Model Railroad Association (NMRA)
- 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.
- http://www.nmra.org/