No. 4: HP
It has been quite a year for HP with the ouster of Mark Hurd, followed by the appointment and resignation of Leo Apotheker. Today Meg Whitman leads the charge trying to figure out how to integrate enterprise software maker Autonomy and whether to spin out its PSG division. Despite its missteps, HP has been a long-standing channel partner and still the largest technology company in the world with significant clout and a loyal base of partners.