Google Maps can be embedded on your web site.
Google supply an API to allow easy integration making use of your data in your database.
The Q Guild of Butchers website also make use of Google maps API (see below).
[ www: The Q Guild of Butchers ]
The following page shows an individual location for a particular company emebedded into the QGuild website.
[ www: Addys Butchers on the QGuild of Butchers website ]
If you require to integrate Google Maps into your web site then don`t hesitate to get in touch.