Work Visa for USA

If you want to work in the U.S. temporarily as a nonimmigrant, under U.S. immigration law, you need a specific visa based on the type of work you will be doing. Most temporary worker categories require that your prospective employer or agent file a petition, which must be approved by the U.S. Citizenship and Immigration Services (USCIS) in the United States before you can apply for a work visa. All applicants for visas must have a petition approved on their behalf by USCIS