| Sherman, Dunn, Cohen, Leifer + Yellig | Law Firm | $347,776.00 |
| Convention Services Unlimited | Convention Services | $245,665.00 |
| Washington Hilton + Towers | Hotel | $173,477.00 |
| Michael L. Tiner | Consultant | $126,377.00 |
| Kelly Press, Inc. | Printing Company | $38,339.00 |
| Siff + Associates | Law Firm | $30,099.00 |
| Congressional Quarterly, Inc. | Publication | $23,554.00 |
| Oswego Creative, Inc. | Public Relations Firm | $22,168.00 |
| Siff + Lake LLP | Law Firm | $15,000.00 |
| Air Canada | Airline | $14,667.00 |
| Gardiner Policy Group | Consultant | $13,875.00 |
| Smart Source | Equipment Rental Company | $13,755.00 |
| K+R Industries, Inc. | Merchandise Supplier | $11,583.00 |
| Abe Breehey | Committee Chair | $6,000.00 |
| U.S. Maglev Coalition | Transportation Coalition | $5,000.00 |
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