Ever wondered about all the data sources you’re not using? Here's BTN's growing list of resources. Click on each data source for more information. Have another source to share or more input on one below? Email editor-in-chief Elizabeth West at ewest@thebtngroup.com.

Aggregated Itinerary Data
ARC Data
Corporate Card Data
Dining Data
Expense Data
Global Distribution System Data
Human Resources Data
Meetings Management Data
Prism Data
Public Data
Sharing Economy Data
Supplier Data
Supplier Ratings Data: External Reviews
Supplier Ratings Data: Internal Travelers
Third-Party Aggregator Data
Travel Management Company & Booking Tool Data
Traveler Survey Data