This document summarizes various visa options for foreign investors looking to do business in the United States, including non-immigrant and immigrant visas. It outlines the Treaty Investor (E-2) visa, which requires a substantial investment in and controlling stake of a real operating business. It also describes the L-1 visa for intracompany transfers, and EB-5 immigrant investor visa requiring a $1 million investment and job creation. Key eligibility requirements and investment levels are provided for each visa category. The document stresses consulting immigration attorneys to determine the best visa pathway based on an individual investor's situation.