B-1 Business Visitor Visa:Foreigners working for a foreign entity are
allowed to visit the United States under a B-1 business visitor visa.
This includes foreign nationals interested in visiting the United States
for exploratory business purposes that do not involve receiving salary
or payment. Persons admitted to the United States on a B-1 non-immigrant
business visa are usually issued a 6-month stay. The maximum length of
stay for visitor visa holders is 6 months. The immigration officer at
the port of entry determines how long each visitor is allowed to stay in
the country
