The EB-2 visa category provides permanent residency in the US. It is hard to use this category for a new business but once a solid financials are established, there are several ways to obtain a green card through this category.
EB-5 is an Immigrant visa that asks you to invest $1,000,000 in to a U.S business. If the business is in a rural area then you can invest a minimum of $500,000.If you do not have that amount of money you can apply for an EB-2 C visa which is an “employment visa”, but under this variety you do not need to have an employer, but what you will need is a degree of higher education or some expertize in your field of work.