I am in a similar situation - I applied to be an iOS developer on 8/14, and as of today (8/29), there has been no contact initiated and no progress.
My situation differs a little bit in that I did get a reply to a status query that I sent on 8/23. Here is the relevant portion of the reply - I post this not to harangue anyone, but simply to share information that I hope others will find useful:
I understand you would like a status update on your enrollment. At this time, we are still unable to process company enrollments because our Dun & Bradstreet verification tool is still undergoing maintenance. I apologize for any inconvenience this may cause. We currently do not have an ETA, but I assure you, as soon as this tool returns, we will be working feverishly on processing company enrollments.