| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 54 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 17 |
| Banking | Banking | 14 |
| Copyright/Patent/Trademark | Copyright/Patent/Trademark | 14 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 13 |
| Gaming/Gambling/Casino | Gaming/Gambling/Casino | 12 |
| Computer Industry | Computer Industry | 11 |
| Science/Technology | Science/Technology | 10 |
| Labor Issues/Antitrust/Workplace | Labor Issues/Antitrust/Workplace | 10 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 9 |
| Energy/Nuclear | Energy/Nuclear | 7 |
| Transportation | Transportation | 7 |
| Telecommunications | Telecommunications | 6 |
| Indian/Native American Affairs | Indian/Native American Affairs | 6 |
| Consumer Issues/Safety/Products | Consumer Issues/Safety/Products | 6 |
| Real Estate/Land Use/Conservation | Real Estate/Land Use/Conservation | 5 |
| Budget/Appropriations | Budget/Appropriations | 5 |
| Education | Education | 4 |
| Insurance | Insurance | 4 |
| Constitution | Constitution | 3 |