State are permitted to do business in other States
As a general rule private corporations organised under the laws of one
State are permitted to do business in other States. It is quite often
to the advantage of a company to organise under the laws of one State
for the purpose of doing business in another. For instance, there are
many companies chartered under the laws of Maine with headquarters in
Boston. The Massachusetts laws require that a large proportion of the
capital be actually paid in at the time of organising, while the Maine
law has no such provision. For similar reasons many large companies
doing business in New York or Philadelphia are organised under the
laws of New Jersey.