Actually, one entered on a student visa, 14 entered on 6 months tourist visa, four entered on business visas.  Once in the country, two applied for status change to vocational student. Also, As part of the H-1B petition process,one must file a Labor Condition Application with the Department of Labor (DOL) to certify that you will pay the sponsored H-1B employee the higher of the "actual wage" at your workplace or the "prevailing wage" in the industry.