| NRCC | $137K | 130 | 1984, 1988, 1986 |
| CITIZENS FOR THE REPUBLIC | $25K | 7 | 1984, 1988, 1986 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $25K | 6 | 1984, 1988, 1986 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $22K | 6 | 1988, 1986 |
| RRI ENERGY, INC. POLITICAL ACTION COMMITTEE | $22K | 14 | 1990, 1988, 1986 |
| REPUBLICAN PARTY OF TEXAS | $20K | 5 | 1984, 1988 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $18K | 6 | 1988, 1986 |
| REPUBLICAN NATIONAL COMMITTEE | $15K | 4 | 1984, 1988, 1986 |
| RUFF POLITICAL ACTION COMMITTEE (RUFF-PAC) | $14K | 8 | 1984, 1988 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $13K | 6 | 1984, 1988, 1986 |