Mia, thanks for the consolidated list. Does that show up in the Wiki for one of the stickies?
Just bear in mind that you are the applicant for this card, not the business. If you have previously held a Business Platinum card you may not be eligible for the bonus, even if targeted. Eligibility depends on the wording of the specific offer.
So, are you saying that the Amex Biz Plat shows up on your personal credit report, even if applied under the EIN? I can understand if this just applies to the bonus, but I would hope there's no personal HP with the app.