This being the third annual Best Companies To Partner With project, many vendors rose in the rankings while others fell. Microsoft, which was No. 2 last year, captured the top spot this year while Cisco, last year's No. 1, moved to No. 2. Other companies moved up or down a spot or two: Lenovo, for example, moved up to No. 8 from No. 10 in 2012.
But the rankings of a handful of companies changed significantly this year compared to 2012. Here's a look at the IT vendors whose ranking changed by five spots or more.