| Defense | Defense | 48 |
| Homeland Security | Homeland Security | 27 |
| Science/Technology | Science/Technology | 19 |
| Law Enforcement/Crime/Criminal Justice | Law Enforcement/Crime/Criminal Justice | 19 |
| Budget/Appropriations | Budget/Appropriations | 11 |
| Disaster Planning/Emergencies | Disaster Planning/Emergencies | 10 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 8 |
| Energy/Nuclear | Energy/Nuclear | 8 |
| Telecommunications | Telecommunications | 5 |
| Transportation | Transportation | 5 |
| Government Issues | Government Issues | 4 |
| Computer Industry | Computer Industry | 4 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 4 |
| Health Issues | Health Issues | 3 |
| Communications/Broadcasting/Radio/TV | Communications/Broadcasting/Radio/TV | 3 |
| Gaming/Gambling/Casino | Gaming/Gambling/Casino | 2 |
| Marine/Maritime/Boating/Fisheries | Marine/Maritime/Boating/Fisheries | 2 |
| Roads/Highway | Roads/Highway | 2 |
| Chemicals/Chemical Industry | Chemicals/Chemical Industry | 1 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 1 |