| Utilities | Utilities | 34 |
| Science/Technology | Science/Technology | 29 |
| Budget/Appropriations | Budget/Appropriations | 25 |
| Disaster Planning/Emergencies | Disaster Planning/Emergencies | 14 |
| Defense | Defense | 14 |
| Economics/Economic Development | Economics/Economic Development | 11 |
| Urban Development/Municipalities | Urban Development/Municipalities | 11 |
| Transportation | Transportation | 10 |
| Waste (hazardous/solid/interstate/nuclear) | Waste (hazardous/solid/interstate/nuclear) | 8 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 6 |
| Travel/Tourism | Travel/Tourism | 5 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 4 |
| Government Issues | Government Issues | 3 |
| Communications/Broadcasting/Radio/TV | Communications/Broadcasting/Radio/TV | 3 |
| Roads/Highway | Roads/Highway | 2 |
| Marine/Maritime/Boating/Fisheries | Marine/Maritime/Boating/Fisheries | 2 |
| Energy/Nuclear | Energy/Nuclear | 1 |
| Environment/Superfund | Environment/Superfund | 1 |