| Aviation/Airlines/Airports | Aviation/Airlines/Airports | 9 |
| Budget/Appropriations | Budget/Appropriations | 9 |
| Defense | Defense | 8 |
| Aerospace | Aerospace | 7 |
| Government Issues | Government Issues | 7 |
| Science/Technology | Science/Technology | 7 |
| Real Estate/Land Use/Conservation | Real Estate/Land Use/Conservation | 6 |
| Travel/Tourism | Travel/Tourism | 6 |
| Environment/Superfund | Environment/Superfund | 3 |
| Foreign Relations | Foreign Relations | 3 |
| Transportation | Transportation | 2 |
| Labor Issues/Antitrust/Workplace | Labor Issues/Antitrust/Workplace | 2 |
| Clean Air and Water (quality) | Clean Air and Water (quality) | 1 |
| Arts/Entertainment | Arts/Entertainment | 1 |
| Trade (domestic/foreign) | Trade (domestic/foreign) | 1 |
| Taxation/Internal Revenue Code | Taxation/Internal Revenue Code | 1 |
| Chemicals/Chemical Industry | Chemicals/Chemical Industry | 1 |
| Energy/Nuclear | Energy/Nuclear | 1 |
| Telecommunications | Telecommunications | 1 |