[Terretta]

Some "partners and customers" listed here:

https://www.pindrop.com/whos-it-for/banking-finance

In general, financial institutions (such as the many multi-nationals and regionals that use this) don't want to talk about the specific providers they use, so it can be hard to get a comprehensive view of which are using what.

But everyone who is anyone in banking evaluated this provider, for example.