There is no excuse for the US Gov not having an updated registry of all companies in the country. In fact, I'm pretty sure IRS should have that. So, why the hell is that number required anyways? Even if the number is somehow necessary, Why d&b? Was there an auction at least? I doubt it.
I'm surprised that sometimes americans accept that kind of crap from their Government (executive) and large corporations (apple) without using Judiciary services. You don't always need money and/or lawyers to protect yourself from your government.