- AAA
- American Airlines
- Amtrak
- City Guides
- Continental Airlines
- Delta
- Flight Status
- Gas Buddy
- Google Maps
- HopStop
- Kayak
- Lonely Planet
- MizPee
- Mapquest
- NWA
- Orbitz
- North Dakota Road Reports
- Seat Guru
- Southwest Airlines
- TripIt
- United Airlines
- WhereThere
- Yelp
- Zagat
