| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 41 |
| Energy/Nuclear | Energy/Nuclear | 24 |
| Fuel/Gas/Oil | Fuel/Gas/Oil | 19 |
| Agriculture | Agriculture | 19 |
| Accounting | Accounting | 10 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 5 |
| Consumer Issues/Safety/Products | Consumer Issues/Safety/Products | 5 |
| Manufacturing | Manufacturing | 3 |
| Chemicals/Chemical Industry | Chemicals/Chemical Industry | 2 |
| Health Issues | Health Issues | 2 |
| Environment/Superfund | Environment/Superfund | 2 |
| Foreign Relations | Foreign Relations | 1 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 1 |
| Banking | Banking | 1 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 1 |
| Transportation | Transportation | 1 |
| Immigration | Immigration | 1 |