Trimble
Business, Telecommunications, Location and Tracking - Trimble. GPS equipment manufacturer for survey, mapping, marine, aviation, precise positioning, military, vehicle tracking, and precision farming applications.
https://www.trimble.com/
Leica Geosystems
Business, Telecommunications, Location and Tracking - Leica Geosystems. Services and products for the GIS and GPS industry.
https://www.leica-geosystems.com/