Information Management has put out a list of 40 companies to watch which I thought was very interesting.  Nice nod to some of the up and comers in the data warehousing space including:

1010data

Aster Data

Ingres

Kognitio

ParAccel

VoltDB

You can see the full list here: http://www.information-management.com/photo_gallery/1_12/10020004-1.html.