What trading platform can we use to invest?

Hi guys, I was wondering what stock trading platforms we can use. I would prefer TD Ameritrade, but can't get around the residential status and visa section. I know you can use an EAD to sign up for Scottrade though. Do you guys have any other recommended companies and suggestions? Thanks.

P.S. If this thread is in the wrong section, can mods please move it to the right one? Thanks!

right after i got my paper work i opened at etrade

How does the stock market like this work i always wonder?