-Citibank has a immigrant credit card with proof of employment, ~$3000 ish in a US bank account for ~3months OR ~$5000 in a non us account for 5 months, and an SSN. It gives a good credit limit.

-Capital One has a 'newcommer' card that gives a $500 limit with any near blank new SSN online, instantly.

-Bank of america has one for canadians, most retail bankers don't know about it. The one by stanford mall did.