Best fill
 

Best fill:Chase,boa,wellsfargo,americanexpress?
chase - boa - wellsfargo - americanexpress

And the AMEX then what?
At all depends greatly on what data, if you only have the data on the input login and pass, best of all wells, as in BOA and chase need access to the soap/sheets/Devic ID and AMEX card data.
If you pour through the office BOA and chase better, because wells in some places Saracen.
In short BOA and chase, if there is additional info. But if such questions arise, it is likely that in your case the answer is all three are equally bad.