| Telecommunications | Telecommunications | 81 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 40 |
| Environment/Superfund | Environment/Superfund | 28 |
| Budget/Appropriations | Budget/Appropriations | 23 |
| Utilities | Utilities | 21 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 18 |
| Gaming/Gambling/Casino | Gaming/Gambling/Casino | 17 |
| Health Issues | Health Issues | 15 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 14 |
| Indian/Native American Affairs | Indian/Native American Affairs | 14 |
| Copyright/Patent/Trademark | Copyright/Patent/Trademark | 10 |
| Tobacco | Tobacco | 9 |
| Fuel/Gas/Oil | Fuel/Gas/Oil | 9 |
| Government Issues | Government Issues | 9 |
| Energy/Nuclear | Energy/Nuclear | 8 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 8 |
| Pharmacy | Pharmacy | 8 |
| Law Enforcement/Crime/Criminal Justice | Law Enforcement/Crime/Criminal Justice | 7 |
| Food Industry (safety, labeling, etc.) | Food Industry (safety, labeling, etc.) | 7 |
| Medical/Disease Research/Clinical Labs | Medical/Disease Research/Clinical Labs | 6 |