Cough cough http://fedgov.dnb.com/webform/pages/CCRSearch.jsp sputter sputter ahem free one business day cough do this before submitting to Apple cough D&B is basically extortion

For what it's worth, I was sent the URL above on a wink wink hush hush basis by a large EV SSL certificate issuer. We needed a cert for our non-US company, but they wanted a DUNS number. Nobody outside the US actually uses DUNS numbers (I don't care what D&B says). So yeah, that URL gives you a DUNS number for free within 1 business day, paid for by the US Government.