NavTech Navigation Technologies Corporation makes the map information found inside navigation systems. NavTech creates and markets the world's most widely-used, complete, accurate, and up-to-date navigable map databases in North America. NavTech is a database of maps that can be used for navigation when used with the Global Positioning System (GPS). NavTech is the official supplier for Clarion AutoPC.

The NAVTECH database is a detailed, digital representation of the road network that provides the depth, accuracy and coverage needed to enable turn-by-turn, door-to-door route guidance. Every road segment can have up to 150 pieces of information. Examples of these pieces of information are street names, address ranges, and turn restrictions. In addition, the database contains hundreds of thousands of Points of Interest Information in more tan 40 categories, including restaurants, gas stations, police stations, and hospitals