I got an email today and was confused ... email stated.
Limited Time Offer
Earn 60,000 Bonus Miles after spending $2,000 on purchases in the first 90 days1
Introducing the new Hawaiian Airlines® Bank of Hawaii World Elite Mastercard®
If it's this one, it's issued by Barclays - very last paragraph at towards the bottom says so
What FinStar said. Not every financial institution issues their own credit cards using their resources; they are sometimes sent out to a third party.