I spend a lot on Amazon. Who does Synchrony ( store card ) or Chase ( Amazon Viisa ) pull from ? I have a spotty relationship with both.
Synch usually pulls TU, but will also SP EX, especially with borderline profiles
Chase can pull any CRA, or any combination of the two.
Weird your thread ended up here, seeing how you're only interested in where the HP may land 🤷
Just want to throw out another option...
American Express Amazon Prime Business card. If you have an account with Amex already it is a SP, shows up on business credit report so doesn't effect personal credit report in any way (has pro's and con's), $125 Amazon giftcard SUB. Has both options of 5% off or 0% financing. Sometimes they throw some wierd stuff at you like $100 for $3k spend in 3 months (3.3% cashback) and they always have Amex offers which are hit/miss lately. No AF or FTF. You can read around yourself and determine whether you want to open a business card with Amex (you don't technically need to have a business in order to apply...).