DMSG has been in the web mapping business for well over a decade, providing leadership in both tools and application development. DMSG products include the MapSherpa Mapping Platform and a standardized set of data products for MapServer.
MapSherpa Mapping Platform
From detailed road network data to global terrain data to high resolutions imagery, we have a wide range of data products that work seemlessly with MapServer and OpenLayers.
Checkout our Maps 4 MapServer Product Line.