| Science/Technology | Science/Technology | 13 |
| Manufacturing | Manufacturing | 12 |
| Budget/Appropriations | Budget/Appropriations | 11 |
| Defense | Defense | 11 |
| Financial Institutions/Investments/Securities | Financial Institutions/Investments/Securities | 9 |
| Tariff (miscellaneous tariff bills) | Tariff (miscellaneous tariff bills) | 6 |
| Natural Resources | Natural Resources | 6 |
| Marine/Maritime/Boating/Fisheries | Marine/Maritime/Boating/Fisheries | 6 |
| Energy/Nuclear | Energy/Nuclear | 6 |
| Small Business | Small Business | 3 |
| Economics/Economic Development | Economics/Economic Development | 2 |
| Real Estate/Land Use/Conservation | Real Estate/Land Use/Conservation | 2 |
| Labor Issues/Antitrust/Workplace | Labor Issues/Antitrust/Workplace | 1 |
| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 1 |
| Automotive Industry | Automotive Industry | 1 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 1 |