- Tourist L / S1 / S2 — tourism and family-visit categories.
- Business M — commercial travel with invitation and company letter.
- Employment Z — work filings with work-permit support.
U.S. citizens and legal U.S. residents can work with our Houston office. Non-U.S. citizens typically need proof of legal status in the United States (notarized Green Card copy, or a valid U.S. visa plus I-94).
