In: Civil Engineering
This question is related to civil engineering Engineering economics subject
S Corporation: Can not have an unlimited number of shareholders with. It is restricted to 100 shareholders and all the shareholders cannot be other than natural persons who are either U.S. citizens or resident aliens.
LLC (Limited Liability Company): May have an unlimited number of members (shareholders, as in other business structures), although the number may vary by state.
Corporation (C Corporation): It can have as many shareholders as it wants, and this is one of the outstanding characteristics of this type of company.
Sole Proprietorship: Does not have shareholders because it is affiliated and managed by a single person.
So the answer is LLC and corporation which have unlimited stake holders