I have just done all of this myself. I can confirm most of the above. However be aware that no one will touch you with a barge pole if you don't have a work permit/social security number.
If you get a Business visa issued before you come to the States you will also be able to get a Driving License (provided you can drive).
See if you qualify for an E visa !
Another tip.........if you can find the contact at your CAA who actually responds to the verification requests you can help it through in a matter of hours as opposed to weeks.
The guy at Oklahoma City who does the verification is Andrew Cargill, he is very helpful. His Email is:-
[email protected] Hope this helps
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