Fortune 500 rank: 18
2010 profit: $14.8 billion
Once again, IBM's Global Services segments, including Global Technology Services and Global Business Services, made up the majority of overall profit. Sales growth in the Asia Pacific markets, namely China and Russia, out-shined growth in the rest of the world. Meanwhile, the company invested $6.5 billion in 17 acquisitions, many software-related.
NEXT: 3. Apple
Last updated May 05 2011: 2:53 PM ET