HEATKEYS

Make maps from a list of multiple addresses, create a mobile optimized map or locator. Free hosting for your custom interactive map or locator.

Find latitude and longitude of any known location by clicking it on a map or entering zip codes or addresses. Batch geocode a list of locations. Convert decimal degrees to degrees minutes seconds and vice versa.

GPS Visualizer is a free utility that creates customizable maps and profiles from GPS data (tracklogs & waypoints), addresses, or coordinates.

A free and open source web-based GIS application portal for geocoding, geocode correction, address validation, and data capture

MapLarge provides a platform to build fast, scalable online maps of your data. Mapping Solutions For: Business Intelligence, Government, Consumer Websites and Corporate Applications

Map Developers will work with you to design a Google Maps mashup to add to your website. The map could show a single location, or be a custom mashup containing all of the information your user needs.

Esri

Batch geocoding service - Batch Geocode in four easy steps.

Smart batch geocoder for businesses and professionals. Excel and CSV supported; export to interactive map