At 4tech Software we specialise 100% on the HPE NonStop platform.

If you’re looking for a payment card data discovery solution for other platforms such as Window, Unix, Linux etc. there are quite a few companies which cover those platforms such as:

https://www.spirion.com/

https://www.groundlabs.com/

https://www.securitymetrics.com/card-data-discovery

https://www.foregenix.com/fscout

And more.