Gamma Investors
Top candidates
| 1. Joseph Biden, Democrat | $4,000 |
| 2. Arlen Specter, Republican | $4,000 |
| 3. Richard Santorum | $2,100 |
| 4. Samuel Brownback, Republican | $2,000 |
| 5. Jim Bunning, Republican | $1,000 |
Top committees
| 1. Citizens For Biden | $4,000 |
| 2. Citizens For Arlen Specter | $4,000 |
| 3. Santorum 2006 | $2,100 |
| 4. Friends Of Brownback | $2,000 |
| 5. Joe Torsella For Congress | $1,000 |
