Here's a bit of an update of the Delaware co. that's been listed for Hameed's plane from CNN. Scroll down to the last 3 paragraphs.
http://edition.cnn.com/2005/US/01/25/plane.held.ap/
More Delaware info-
Not sure if or how this connects, but here's a rather disturbing article with another plane tied to 30 Old Rudnick Lane Dover, DI. 19901
http://www.cutlass-bay.com/Pictures.html