Here are some articles --we strongly recommend you meet with a lawyer as each instance has its own nuances ...For current MIT students, we have the free BU Law Clinic which is in the trust center on Fridays from 10-4 or an appt can be made at bulaw@mit.edu 

http://www.usa-corporate.com/setting-up-a-us-company-as-a-non-us-resident/how-to-set-up-a-us-company/