As of July 2014, the market cap for Garmin Ltd. (GRMN) is
$11,277,367,469.40.
View page
Garmin eTrex is a line of GPS's put out by Garmin.
View page
The place to start would be the Garmin web site which has the
Garmin voices available. The Garmin forum will also have
information on Garmin voices available.