| Energy/Nuclear | Energy/Nuclear | 27 |
| Health Issues | Health Issues | 23 |
| Telecommunications | Telecommunications | 16 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 16 |
| Science/Technology | Science/Technology | 16 |
| Pharmacy | Pharmacy | 15 |
| Marine/Maritime/Boating/Fisheries | Marine/Maritime/Boating/Fisheries | 14 |
| Computer Industry | Computer Industry | 13 |
| Consumer Issues/Safety/Products | Consumer Issues/Safety/Products | 12 |
| Medicare/Medicaid | Medicare/Medicaid | 12 |
| Transportation | Transportation | 11 |
| Economics/Economic Development | Economics/Economic Development | 11 |
| Aerospace | Aerospace | 7 |
| Manufacturing | Manufacturing | 6 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 6 |
| Communications/Broadcasting/Radio/TV | Communications/Broadcasting/Radio/TV | 3 |
| Defense | Defense | 3 |
| Waste (hazardous/solid/interstate/nuclear) | Waste (hazardous/solid/interstate/nuclear) | 2 |
| Natural Resources | Natural Resources | 2 |
| Agriculture | Agriculture | 2 |