Liberty Mutual Insurance Co
Top candidates
| 1. John Kerry, Democrat | $6,000 |
| 2. Russell Feingold, Democrat | $250 |
Top committees
| 1. Massachusetts Republican State Congressional Committee | $10,000 |
| 2. Kerry Committee | $6,000 |
| 3. Alliance Of American Insurers Political Action Committee | $3,000 |
| 4. Liberty Mutual Insurance Company-Pac | $500 |
| 5. Feingold Senate Committee | $250 |
