B2 Business visa [1] might be your ticket. You might have to tweak your payments to go via international borders. :-)<p>Better consult an attorney.<p>[1]<a href="http:&#x2F;&#x2F;immigration.laws.com&#x2F;visa&#x2F;b2-business-visa" rel="nofollow">http:&#x2F;&#x2F;immigration.laws.com&#x2F;visa&#x2F;b2-business-visa</a>