AFAIK Ibill processes amex for their 'mainstream' clients. Not sure about CCbill.
But those numbers (millions of credit cards) suggest that it was an adult processor.
EIther that or a big gateway processor like Authorize.net
You just can't get those numbers without being Huuuuuuge.
Whoever they are theyare big enough to be paying some decent money to keep it hush hush
