| Energy/Nuclear | Energy/Nuclear | 87 |
| Budget/Appropriations | Budget/Appropriations | 75 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 50 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 18 |
| Education | Education | 14 |
| Environment/Superfund | Environment/Superfund | 13 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 4 |
| Defense | Defense | 2 |
| Pharmacy | Pharmacy | 2 |
| Fuel/Gas/Oil | Fuel/Gas/Oil | 1 |
| Apparel/Clothing Industry/Textiles | Apparel/Clothing Industry/Textiles | 1 |
| Transportation | Transportation | 1 |
| Economics/Economic Development | Economics/Economic Development | 1 |
| Natural Resources | Natural Resources | 1 |
| Waste (hazardous/solid/interstate/nuclear) | Waste (hazardous/solid/interstate/nuclear) | 1 |
| Urban Development/Municipalities | Urban Development/Municipalities | 1 |
| Utilities | Utilities | 1 |
| Marine/Maritime/Boating/Fisheries | Marine/Maritime/Boating/Fisheries | 1 |