Certify Travel by Amtrav allows you to save your known traveler numbers for TSA Pre-Check.
This article shows you how to add your known traveler number to your Certify Travel profile.
Step 1: On your Certify homepage, click Travel. Then, click Search & Book Travel.
Step 2: Click My Profile.
Step 3: In Basic Information, enter your Known Traveler Number in the fields provided. If applicable, enter your Redress #. Click Save Changes.