Presidential Candidate Comparison: Top Contributors, 2012 Cycle | OpenSecrets
Barack Obama:
1. Microsoft
2. Comcast
3. University of California
4. Google Inc.
Mitt Romney
1. Goldman Sachs
2. Credit Suisse Group
3. Morgan Stanley
4. HIG Capital
5. Barclays
Newt Gingrich
1. Rock Tenn Co
2. Poet LLC
3. Pull-A-Part Inc
4. First Fiscal Fund
Ron Paul
1. Ron Paul for Congress Comittee
2. US Army
3. US Airforce
4. US Navy
For all of the city-data posters who like to use the phrase "follow the money", have fun following.