Spend Management

I have found a very useful document that summarises the big Spend Management Solutions.

Click here to view

The main players are
ARIBA
EMPTORIS
ICG COMMERCE
KETERA TECHNOLOGIES
SAP
SAS INSTITUTE
TRADESTONE SOFTWARE
VERTICALNET
ZYCUS
CADENCE NETWORK
ELANCE
FIELDGLASS
IQNAVIGATOR
ONVANTAGE