| Trade (domestic/foreign) | Trade (domestic/foreign) | 23 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 16 |
| Transportation | Transportation | 16 |
| Budget/Appropriations | Budget/Appropriations | 13 |
| Consumer Issues/Safety/Products | Consumer Issues/Safety/Products | 10 |
| Immigration | Immigration | 9 |
| Environment/Superfund | Environment/Superfund | 7 |
| Labor Issues/Antitrust/Workplace | Labor Issues/Antitrust/Workplace | 7 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 6 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 6 |
| Homeland Security | Homeland Security | 4 |
| Pharmacy | Pharmacy | 4 |
| Government Issues | Government Issues | 4 |
| Defense | Defense | 4 |
| Retirement | Retirement | 2 |
| Science/Technology | Science/Technology | 1 |
| Health Issues | Health Issues | 1 |
| Disaster Planning/Emergencies | Disaster Planning/Emergencies | 1 |
| Real Estate/Land Use/Conservation | Real Estate/Land Use/Conservation | 1 |
| Apparel/Clothing Industry/Textiles | Apparel/Clothing Industry/Textiles | 1 |