| Health Issues | Health Issues | 6 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 5 |
| Science/Technology | Science/Technology | 4 |
| Energy/Nuclear | Energy/Nuclear | 4 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 3 |
| Budget/Appropriations | Budget/Appropriations | 3 |
| Manufacturing | Manufacturing | 3 |
| Natural Resources | Natural Resources | 3 |
| Veterans | Veterans | 3 |
| Pharmacy | Pharmacy | 3 |
| Environment/Superfund | Environment/Superfund | 3 |
| Computer Industry | Computer Industry | 2 |
| Defense | Defense | 2 |
| Government Issues | Government Issues | 2 |
| Homeland Security | Homeland Security | 2 |
| Food Industry (safety, labeling, etc.) | Food Industry (safety, labeling, etc.) | 1 |
| Trucking/Shipping | Trucking/Shipping | 1 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 1 |
| Animals | Animals | 1 |
| Agriculture | Agriculture | 1 |