Maybe Google has already "absorbed" it, but not long ago, they bought Sketch-Up here in the Republic of Boulder ... so that list would probably be longer with other entries depending on how you count things.

Last Software from the list are the makers of SketchUp...
http://googleblog.blogspot.com/2006/03/new-home-for-last-software.html

Why there are so many subsidiaries in Delaware?

Fiscal paradise

"Delaware has more businesses incorporated in it than any other state. This is because of its very favorable tax laws dealing with corporations."
http://en.wikipedia.org/wiki/Delaware#Economy

What does Aegino do? Or what did it do?

What's "Deutchland"? Phillip can't write his country :D

And I can't write "Philipp"

Fixed, thanks Timo!