| Defense | Defense | 215 |
| Disaster Planning/Emergencies | Disaster Planning/Emergencies | 9 |
| Homeland Security | Homeland Security | 8 |
| Environment/Superfund | Environment/Superfund | 6 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 5 |
| Aerospace | Aerospace | 4 |
| Computer Industry | Computer Industry | 4 |
| Government Issues | Government Issues | 2 |
| Veterans | Veterans | 2 |
| Roads/Highway | Roads/Highway | 2 |
| Energy/Nuclear | Energy/Nuclear | 2 |
| Health Issues | Health Issues | 1 |
| Animals | Animals | 1 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 1 |
| Telecommunications | Telecommunications | 1 |
| Communications/Broadcasting/Radio/TV | Communications/Broadcasting/Radio/TV | 1 |
| Science/Technology | Science/Technology | 1 |