Digital Mapping Systems Ptyv Ltd - Manufacturers of photogrammetric software for producing raster and vector data from single aerial images (with DEM) or from stereo images.
Geomatics UK Network - UK directory of geomatics professionals, searchable by speciality or location.
Geosystem - Manufacturer of photogrammetric instruments and software.
Inpho - Supplier of systems for aerial triangulation, DTM modeling, image matching, and feature extraction
MAN Mapping Services Home - Topographic mapping, GIS base data and digital orthophoto imagery services under the supervision of Larry Mumford and Bob Niepert.
Terrain Mapping Software - Digital mapping software OrthoMapper and SurfaceMapper to create DTM's and digital orthophotos used in the surveying and mapping, photogrammetric, remote sensing and GIS communities
TerraServer - Online subscription service providing access to a database of high resolution satellite and overhead imagery from all over the world.