multimap.com - Offers online mapping services. Search for addresses, get travel directions, view aerial photos, or link to local information.

Ordnance Survey - U.K. government agency, founded in 1791 and now providing comprehensive digital geospatial and topographic mapping data.

EasyMap - Offers online street maps of the U.K.

eMapSite - Enables users to search, view, and browse maps and images interactively, and purchase online.

Richard Nicholson of Chester - Large stock of antique maps of the British Isles and many parts of the world. Gallery and postal service.

Finders UK Limited - Produces location maps in formats for sending by fax, email, post, and for web display.

CycleCity Guides - Searchable database of available U.K. cycling maps. Seach by town, county or region. Includes both on line and paper maps.

Infomap Street Atlas - Provides Great Britain street level mapping. Imports data by postcode and links with GPS.

Give Way Limited - Provides custom designs location maps, guiding visitors to business offices from the nearest motorway.

Arc en Ciel Ltd. - Offers postal and mapping products for the U.K.

Survey & Development Services (SDS) - Constructs and maintains geospatial databases for output ranging from traditional hardcopy maps to full 3D digital visualisations.

PC Graphics (UK) Limited - Features over 66 world city plans and 400 U.K. town centres available as data. Also produce business location maps and customized maps of any type.