| Australian Map Circle: The Australian Map Circle (AMC) is a national group of map producers, users and curators, which acts as a medium of communication for all those interested in maps. |
| International Map Trade Association (IMTA): IMTA members are the companies that create and sell the maps, atlases and map-related products you use. Find information on maps, geography and mapping technology. |
| MapHist Discussion Group: MapHist, the Map History Discussion List, is an e-mail discussion group whose primary focus is historical maps, atlases, globes and other cartographic documents. |
| Mt. Diablo Surveyors Historical Society: Society of Land Surveyors interested in tne history of Mount Diablo, Northern California, and the establishment of the Mt. Diablo meridian and initial point. |
| North American Cartographic Information Society: NACIS is a professional society dedicated to the advancement and cooperation of all cartographic disciplines. Members include practicing cartographers, educators, map librarians, and map collectors. |
| Ordnance Survey Britain's National Mapping Agency: Maps and mapping for Great Britain, with free mapping and services together with information on digital and paper mapping products and other aspects of cartography |
| Ordnance Survey Ireland: The Irish national mapping agency. |
| Society of Cartographers: Society founded in 1964 aiming to support the practising cartographer and encourage and maintain a high standard of cartographic illustration. |
| The British Cartographic Society: an association of individuals and organisations dedicated to exploring and developing the world of maps |
| Washington Map Society: An informal organization of people interested in cartography, cartographic history, and collecting maps, both old and new. |