| Education | Education | 101 |
| Budget/Appropriations | Budget/Appropriations | 87 |
| Natural Resources | Natural Resources | 73 |
| Environment/Superfund | Environment/Superfund | 51 |
| Indian/Native American Affairs | Indian/Native American Affairs | 40 |
| Science/Technology | Science/Technology | 38 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 24 |
| Gaming/Gambling/Casino | Gaming/Gambling/Casino | 23 |
| Homeland Security | Homeland Security | 15 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 11 |
| Energy/Nuclear | Energy/Nuclear | 8 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 7 |
| Transportation | Transportation | 7 |
| Small Business | Small Business | 5 |
| Banking | Banking | 4 |
| Housing | Housing | 4 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 3 |
| Veterans | Veterans | 2 |
| Computer Industry | Computer Industry | 2 |
| Health Issues | Health Issues | 2 |